diff --git a/package-lock.json b/package-lock.json
index 647704a7..a725d674 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,30 +7,19 @@
     "": {
       "name": "generators",
       "version": "1.0.0",
+      "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
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-        "@mcschema/java-1.15": "^0.2.13",
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-        "@mcschema/java-1.21.4": "^0.0.15",
-        "@mcschema/locales": "^0.1.104",
+        "@spyglassmc/core": "^0.4.15",
+        "@spyglassmc/java-edition": "^0.3.19",
+        "@spyglassmc/json": "^0.3.17",
+        "@spyglassmc/locales": "^0.3.9",
+        "@spyglassmc/mcdoc": "^0.3.18",
+        "@spyglassmc/nbt": "^0.3.18",
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         "brace": "^0.11.1",
         "buffer": "^6.0.3",
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@@ -42,7 +31,9 @@
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         "marked": "^4.0.10",
         "rfdc": "^1.3.0",
-        "sourcemapped-stacktrace": "^1.1.11"
+        "sourcemapped-stacktrace": "^1.1.11",
+        "spark-md5": "^3.0.2",
+        "vscode-languageserver-textdocument": "^1.0.12"
       },
       "devDependencies": {
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@@ -55,10 +46,12 @@
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         "@types/marked": "^4.0.1",
         "@types/seedrandom": "^2.4.28",
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         "autoprefixer": "^10.4.16",
         "eslint": "^8.17.0",
+        "patch-package": "^8.0.0",
         "postcss": "^8.4.31",
         "preact": "^10.8.0",
         "preact-router": "^3.2.1",
@@ -69,9 +62,6 @@
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       "resolved": "https://registry.npmjs.org/@alloc/quick-lru/-/quick-lru-5.2.0.tgz",
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@@ -883,6 +743,80 @@
         "node": ">= 8.0.0"
       }
     },
+    "node_modules/@spyglassmc/core": {
+      "version": "0.4.15",
+      "resolved": "https://registry.npmjs.org/@spyglassmc/core/-/core-0.4.15.tgz",
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+      "dependencies": {
+        "@spyglassmc/locales": "0.3.9",
+        "base64-arraybuffer": "^1.0.2",
+        "binary-search": "^1.3.6",
+        "chokidar": "^3.5.2",
+        "decompress": "^4.2.1",
+        "follow-redirects": "^1.14.8",
+        "ignore": "^5.3.1",
+        "pako": "^2.0.4",
+        "rfdc": "^1.3.0",
+        "vscode-languageserver-textdocument": "^1.0.4",
+        "whatwg-url": "^14.0.0"
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+    },
+    "node_modules/@spyglassmc/java-edition": {
+      "version": "0.3.19",
+      "resolved": "https://registry.npmjs.org/@spyglassmc/java-edition/-/java-edition-0.3.19.tgz",
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+        "@spyglassmc/core": "0.4.15",
+        "@spyglassmc/json": "0.3.17",
+        "@spyglassmc/locales": "0.3.9",
+        "@spyglassmc/mcdoc": "0.3.18",
+        "@spyglassmc/mcfunction": "0.2.17",
+        "@spyglassmc/nbt": "0.3.18"
+      }
+    },
+    "node_modules/@spyglassmc/json": {
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+      "resolved": "https://registry.npmjs.org/@spyglassmc/json/-/json-0.3.17.tgz",
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+      "dependencies": {
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+        "@spyglassmc/locales": "0.3.9",
+        "@spyglassmc/mcdoc": "0.3.18"
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+    "node_modules/@spyglassmc/locales": {
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+      "resolved": "https://registry.npmjs.org/@spyglassmc/mcdoc/-/mcdoc-0.3.18.tgz",
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+        "@spyglassmc/locales": "0.3.9"
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+    "node_modules/@spyglassmc/mcfunction": {
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+      "resolved": "https://registry.npmjs.org/@spyglassmc/mcfunction/-/mcfunction-0.2.17.tgz",
+      "integrity": "sha512-8nyfeAXGxj7OhjSWWLMUaKTr8vLXxS+eECYzSE/sMCmNPYSm3anBEzR9gGHeU1NuSV01YmrBPIGFtj2AjXAEbA==",
+      "dependencies": {
+        "@spyglassmc/core": "0.4.15",
+        "@spyglassmc/locales": "0.3.9"
+      }
+    },
+    "node_modules/@spyglassmc/nbt": {
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+      "resolved": "https://registry.npmjs.org/@spyglassmc/nbt/-/nbt-0.3.18.tgz",
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+      "dependencies": {
+        "@spyglassmc/core": "0.4.15",
+        "@spyglassmc/locales": "0.3.9",
+        "@spyglassmc/mcdoc": "0.3.18"
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+    "node_modules/@types/spark-md5": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/@types/spark-md5/-/spark-md5-3.0.5.tgz",
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@@ -1159,6 +1099,12 @@
         "url": "https://opencollective.com/typescript-eslint"
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+    "node_modules/@yarnpkg/lockfile": {
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+      "resolved": "https://registry.npmjs.org/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz",
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@@ -1269,6 +1209,15 @@
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+      "resolved": "https://registry.npmjs.org/at-least-node/-/at-least-node-1.0.0.tgz",
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+      "dev": true,
+      "engines": {
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     "y18n": {
       "version": "5.0.8",
@@ -7336,6 +8629,15 @@
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.0.1.tgz",
       "integrity": "sha512-9BK1jFpLzJROCI5TzwZL/TU4gqjK5xiHV/RfWLOahrjAko/e4DJkRDZQXfvqAsiZzzYhgAzbgz6lg48jcm4GLg==",
       "dev": true
+    },
+    "yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
+      "requires": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index dc8e19a4..ad0cfaf9 100644
--- a/package.json
+++ b/package.json
@@ -9,38 +9,27 @@
     "dev": "vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
-    "lint": "eslint . --ext .ts,.tsx"
+    "lint": "eslint . --ext .ts,.tsx",
+    "postinstall": "patch-package"
   },
   "keywords": [],
   "author": "Misode",
   "license": "MIT",
   "dependencies": {
     "@giscus/react": "^2.2.3",
-    "@mcschema/core": "^0.13.0",
-    "@mcschema/java-1.15": "^0.2.13",
-    "@mcschema/java-1.16": "^0.6.20",
-    "@mcschema/java-1.17": "^0.2.40",
-    "@mcschema/java-1.18": "^0.3.16",
-    "@mcschema/java-1.18.2": "^0.1.26",
-    "@mcschema/java-1.19": "^0.1.54",
-    "@mcschema/java-1.19.3": "^0.0.17",
-    "@mcschema/java-1.19.4": "^0.1.21",
-    "@mcschema/java-1.20": "^0.0.24",
-    "@mcschema/java-1.20.2": "^0.0.15",
-    "@mcschema/java-1.20.3": "^0.0.16",
-    "@mcschema/java-1.20.5": "^0.0.42",
-    "@mcschema/java-1.21": "^0.0.27",
-    "@mcschema/java-1.21.2": "^0.0.16",
-    "@mcschema/java-1.21.4": "^0.0.15",
-    "@mcschema/locales": "^0.1.104",
+    "@spyglassmc/core": "^0.4.15",
+    "@spyglassmc/java-edition": "^0.3.19",
+    "@spyglassmc/json": "^0.3.17",
+    "@spyglassmc/locales": "^0.3.9",
+    "@spyglassmc/mcdoc": "^0.3.18",
+    "@spyglassmc/nbt": "^0.3.18",
     "@zip.js/zip.js": "^2.4.5",
     "brace": "^0.11.1",
     "buffer": "^6.0.3",
-    "comment-json": "^4.1.1",
+    "deepslate": "^0.22.3",
     "deepslate-1.18": "npm:deepslate@0.9.0-beta.9",
     "deepslate-1.18.2": "npm:deepslate@0.9.0",
     "deepslate-1.20.4": "npm:deepslate@0.20.1",
-    "deepslate": "^0.22.3",
     "diff": "^7.0.0",
     "highlight.js": "^11.5.1",
     "howler": "^2.2.3",
@@ -48,7 +37,9 @@
     "lz-string": "^1.4.4",
     "marked": "^4.0.10",
     "rfdc": "^1.3.0",
-    "sourcemapped-stacktrace": "^1.1.11"
+    "sourcemapped-stacktrace": "^1.1.11",
+    "spark-md5": "^3.0.2",
+    "vscode-languageserver-textdocument": "^1.0.12"
   },
   "devDependencies": {
     "@preact/preset-vite": "^2.4.0",
@@ -61,10 +52,12 @@
     "@types/lz-string": "^1.3.34",
     "@types/marked": "^4.0.1",
     "@types/seedrandom": "^2.4.28",
+    "@types/spark-md5": "^3.0.5",
     "@typescript-eslint/eslint-plugin": "^5.28.0",
     "@typescript-eslint/parser": "^5.28.0",
     "autoprefixer": "^10.4.16",
     "eslint": "^8.17.0",
+    "patch-package": "^8.0.0",
     "postcss": "^8.4.31",
     "preact": "^10.8.0",
     "preact-router": "^3.2.1",
diff --git a/patches/@spyglassmc+mcdoc+0.3.18.patch b/patches/@spyglassmc+mcdoc+0.3.18.patch
new file mode 100644
index 00000000..071f8396
--- /dev/null
+++ b/patches/@spyglassmc+mcdoc+0.3.18.patch
@@ -0,0 +1,44 @@
+diff --git a/node_modules/@spyglassmc/mcdoc/lib/runtime/checker/index.js b/node_modules/@spyglassmc/mcdoc/lib/runtime/checker/index.js
+index 2d51735..70ac4a0 100644
+--- a/node_modules/@spyglassmc/mcdoc/lib/runtime/checker/index.js
++++ b/node_modules/@spyglassmc/mcdoc/lib/runtime/checker/index.js
+@@ -545,9 +545,9 @@ function simplifyReference(typeDef, context) {
+         context.ctx.logger.warn(`Tried to access unknown reference ${typeDef.path}`);
+         return { typeDef: { kind: 'union', members: [] } };
+     }
+-    if (data.simplifiedTypeDef) {
+-        return { typeDef: data.simplifiedTypeDef };
+-    }
++    // if (data.simplifiedTypeDef) {
++    //     return { typeDef: data.simplifiedTypeDef };
++    // }
+     const simplifiedResult = simplify(data.typeDef, context);
+     if (typeDef.attributes?.length) {
+         simplifiedResult.typeDef = {
+@@ -555,16 +555,16 @@ function simplifyReference(typeDef, context) {
+             attributes: [...typeDef.attributes, ...simplifiedResult.typeDef.attributes ?? []],
+         };
+     }
+-    if (!simplifiedResult.dynamicData) {
+-        symbol.amend({
+-            data: {
+-                data: {
+-                    ...data,
+-                    simplifiedTypeDef: simplifiedResult.typeDef,
+-                },
+-            },
+-        });
+-    }
++    // if (!simplifiedResult.dynamicData) {
++    //     symbol.amend({
++    //         data: {
++    //             data: {
++    //                 ...data,
++    //                 simplifiedTypeDef: simplifiedResult.typeDef,
++    //             },
++    //         },
++    //     });
++    // }
+     return simplifiedResult;
+ }
+ function simplifyDispatcher(typeDef, context) {
diff --git a/public/mcdoc/immersive_weathering.mcdoc b/public/mcdoc/immersive_weathering.mcdoc
new file mode 100644
index 00000000..edaf368d
--- /dev/null
+++ b/public/mcdoc/immersive_weathering.mcdoc
@@ -0,0 +1,116 @@
+use ::java::server::util::direction::Direction
+use ::java::server::util::block_state::BlockState
+use ::java::data::worldgen::biome::Precipitation
+use ::java::data::worldgen::processor_list::BlockMatch
+use ::java::data::worldgen::processor_list::BlockStateMatch
+use ::java::data::worldgen::processor_list::RandomBlockMatch
+use ::java::data::worldgen::processor_list::RandomBlockStateMatch
+use ::java::data::worldgen::processor_list::TagMatch
+
+dispatch minecraft:resource[immersive_weathering:block_growth] to struct BlockGrowth {
+	area_condition: AreaCondition,
+	position_predicates?: [PositionTest],
+	growth_chance: float @ 0..1,
+	growth_for_face: [GrowthFace],
+	owners: [#[id="block"] string],
+	replacing_target: RuleTest,
+	target_self?: boolean,
+	destroy_target?: boolean,
+}
+
+struct GrowthFace {
+	direction?: Direction,
+	weight?: int,
+	growth: [struct {
+		weight: int,
+		data: BlockPair,
+	}],
+}
+
+struct BlockPair {
+	block: BlockState,
+	above_block?: BlockState,
+}
+
+struct AreaCondition {
+	type: ("generate_if_not_too_many" | "neighbor_based_generation"),
+	...immersive_weathering:area_condition[[type]],
+}
+
+dispatch immersive_weathering:area_condition[generate_if_not_too_many] to struct GenerateIfNotTooMany {
+	radiusX: int,
+	radiusY: int,
+	radiusZ: int,
+	requiredAmount: int,
+	yOffset?: int,
+	must_have?: RuleTest,
+	must_not_have?: RuleTest,
+	includes?: (#[id(registry="block",tags="allowed")] string | [#[id="block"] string]),
+}
+
+dispatch immersive_weathering:area_condition[neighbor_based_generation] to struct NeighborBasedGeneration {
+	must_have: RuleTest,
+	must_not_have?: RuleTest,
+	required_amount?: int,
+	directions: [Direction],
+}
+
+struct PositionTest {
+	type: ("biome_match" | "day_test" | "nand" | "precipitation_test" | "temperature_range"),
+	...immersive_weathering:position_test[[type]],
+}
+
+dispatch immersive_weathering:position_test[biome_match] to struct BiomeMatch {
+	biomes: (#[id(registry="worldgen/biome",tags="allowed")] string | [#[id="worldgen/biome"] string]),
+}
+
+dispatch immersive_weathering:position_test[day_test] to struct DayTest {
+	day: boolean,
+}
+
+dispatch immersive_weathering:position_test[nand] to struct Nand {
+	predicates: [PositionTest],
+}
+
+dispatch immersive_weathering:position_test[precipitation_test] to struct PrecipitationTest {
+	precipitation: Precipitation,
+} 
+
+dispatch immersive_weathering:position_test[temperature_range] to struct TemperatureRange {
+	min: float,
+	max: float,
+	use_local_pos?: boolean,
+}
+
+struct RuleTest {
+	predicate_type: #[id] RuleTestType,
+	...immersive_weathering:rule_test[[predicate_type]],
+}
+
+enum(string) RuleTestType {
+	#[starred] BlockSetMatch = "immersive_weathering:block_set_match",
+	#[starred] FluidMatch = "immersive_weathering:fluid_match",
+	#[starred] TreeLog = "immersive_weathering:tree_log",
+	BlockMatch = "block_match",
+	BlockStateMatch = "blockstate_match",
+	RandomBlockMatch = "random_block_match",
+	RandomBlockStateMatch = "random_blockstate_match",
+	TagMatch = "tag_match",
+}
+
+dispatch immersive_weathering:rule_test[block_match] to BlockMatch
+dispatch immersive_weathering:rule_test[blockstate_match] to BlockStateMatch
+dispatch immersive_weathering:rule_test[random_block_match] to RandomBlockMatch
+dispatch immersive_weathering:rule_test[random_blockstate_match] to RandomBlockStateMatch
+dispatch immersive_weathering:rule_test[tag_match] to TagMatch
+
+dispatch immersive_weathering:rule_test[immersive_weathering:block_set_match] to struct BlockSetMatch {
+	blocks: (#[id(registry="block",tags="allowed")] string | [#[id="block"] string]),
+	probability?: float @ 0..1,
+}
+
+dispatch immersive_weathering:rule_test[immersive_weathering:fluid_match] to struct FluidMatch {
+	fluids: #[id="fluid"] string,
+}
+
+dispatch immersive_weathering:rule_test[immersive_weathering:tree_log] to struct {}
diff --git a/public/mcdoc/neoforge.mcdoc b/public/mcdoc/neoforge.mcdoc
new file mode 100644
index 00000000..08a5cf84
--- /dev/null
+++ b/public/mcdoc/neoforge.mcdoc
@@ -0,0 +1,179 @@
+use ::java::data::worldgen::DecorationStep
+use ::java::data::worldgen::CarveStep
+use ::java::data::worldgen::biome::SpawnerData
+use ::java::data::worldgen::biome::MobSpawnCost
+use ::java::data::worldgen::biome::MobCategory
+
+dispatch minecraft:resource[neoforge:biome_modifier] to struct BiomeModifier {
+	type: #[id] BiomeModifierType,
+	...neoforge:biome_modifier[[type]],
+}
+
+enum(string) BiomeModifierType {
+	None = "neoforge:none",
+	AddFeatures = "neoforge:add_features",
+	RemoveFeatures = "neoforge:remove_features",
+	AddSpawns = "neoforge:add_spawns",
+	RemoveSpawns = "neoforge:remove_spawns",
+	AddCarvers = "neoforge:add_carvers",
+	RemoveCarvers = "neoforge:remove_carvers",
+	AddSpawnCosts = "neoforge:add_spawn_costs",
+	RemoveSpawnCosts = "neoforge:remove_spawn_costs",
+}
+
+dispatch neoforge:biome_modifier[neoforge:none] to struct {}
+
+struct BiomeModifierBase {
+	biomes: (#[id(registry="worldgen/biome",tags="allowed")] string | [#[id="worldgen/biome"] string]),
+}
+
+dispatch neoforge:biome_modifier[neoforge:add_features] to struct AddFeatures {
+	...BiomeModifierBase,
+	features: (#[id(registry="worldgen/placed_feature",tags="allowed")] string | [#[id="worldgen/placed_feature"] string]),
+	step: DecorationStep,
+}
+
+dispatch neoforge:biome_modifier[neoforge:remove_features] to struct RemoveFeatures {
+	...BiomeModifierBase,
+	features: (#[id(registry="worldgen/placed_feature",tags="allowed")] string | [#[id="worldgen/placed_feature"] string]),
+	steps: (DecorationStep | [DecorationStep]),
+}
+
+dispatch neoforge:biome_modifier[neoforge:add_spawns] to struct AddSpawns {
+	...BiomeModifierBase,
+	spawners: (SpawnerData | [SpawnerData]),
+}
+
+dispatch neoforge:biome_modifier[neoforge:remove_spawns] to struct RemoveSpawns {
+	...BiomeModifierBase,
+	entity_types: (#[id(registry="entity_type",tags="allowed")] string | [#[id="entity_type"] string]),
+}
+
+dispatch neoforge:biome_modifier[neoforge:add_carvers] to struct AddCarvers {
+	...BiomeModifierBase,
+	carvers: (#[id(registry="worldgen/configured_carver",tags="allowed")] string | [#[id="worldgen/configured_carver"] string]),
+	step: CarveStep,
+}
+
+dispatch neoforge:biome_modifier[neoforge:remove_carvers] to struct RemoveCarvers {
+	...BiomeModifierBase,
+	carvers: (#[id(registry="worldgen/configured_carver",tags="allowed")] string | [#[id="worldgen/configured_carver"] string]),
+	step: (CarveStep | [CarveStep]),
+}
+
+dispatch neoforge:biome_modifier[neoforge:add_spawn_costs] to struct AddSpawnCosts {
+	...BiomeModifierBase,
+	entity_types: (#[id(registry="entity_type",tags="allowed")] string | [#[id="entity_type"] string]),
+	spawn_cost: MobSpawnCost,
+}
+
+dispatch neoforge:biome_modifier[neoforge:remove_spawn_costs] to struct RemoveSpawnCosts {
+	...BiomeModifierBase,
+	entity_types: (#[id(registry="entity_type",tags="allowed")] string | [#[id="entity_type"] string]),
+}
+
+
+dispatch minecraft:resource[neoforge:structure_modifier] to struct StructureModifier {
+	type: #[id] StructureModifierType,
+	...neoforge:structure_modifier[[type]],
+}
+
+enum(string) StructureModifierType {
+	None = "neoforge:none",
+	AddSpawns = "neoforge:add_spawns",
+	RemoveSpawns = "neoforge:remove_spawns",
+	ClearSpawns = "neoforge:clear_spawns",
+}
+
+dispatch neoforge:structure_modifier[neoforge:none] to struct {}
+
+struct StructureModifierBase {
+	structures: (#[id(registry="worldgen/structure",tags="allowed")] string | [#[id="worldgen/structure"] string]),
+}
+
+dispatch neoforge:structure_modifier[neoforge:add_spawns] to struct AddStructureSpawns {
+	...StructureModifierBase,
+	spawners: (SpawnerData | [SpawnerData]),
+}
+
+dispatch neoforge:structure_modifier[neoforge:remove_spawns] to struct RemoveStructureSpawns {
+	...StructureModifierBase,
+	entity_types: (#[id(registry="entity_type",tags="allowed")] string | [#[id="entity_type"] string]),
+}
+
+dispatch neoforge:structure_modifier[neoforge:clear_spawns] to struct ClearStructureSpawns {
+	...StructureModifierBase,
+	categories: (MobCategory | [MobCategory]),
+}
+
+
+type DataMap<K, V> = struct {
+	replace?: boolean,
+	values: struct DataMapValues {
+		[K]: (
+			V |
+			struct ReplaceableValue {
+				replace?: boolean,
+				value: V,
+			} |
+		)
+	},
+	remove?: [K],
+}
+
+dispatch minecraft:resource[neoforge:data_map_compostables] to DataMap<#[id(registry="item",tags="allowed")] string, (
+	float @ 0..1 |
+	struct Compostable {
+		chance: float @ 0..1,
+		can_villager_compost?: boolean,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_furnace_fuels] to DataMap<#[id(registry="item", tags="allowed")] string, (
+	int @ 1.. |
+	struct FurnaceFuel {
+		burn_time: int @ 1..,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_monster_room_mobs] to DataMap<#[id(registry="entity_type",tags="allowed")] string, (
+	int @ 0.. |
+	struct MonsterRoomMob {
+		weight: int @ 0..,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_oxidizables] to DataMap<#[id(registry="block",tags="allowed")] string, (
+	#[id="block"] string |
+	struct Oxidizable {
+		next_oxidation_stage: #[id="block"] string,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_parrot_imitations] to DataMap<#[id(registry="entity_type",tags="allowed")] string, (
+	#[id="sound_event"] string |
+	struct ParrotImitation {
+		sound: #[id="sound_event"] string,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_raid_hero_gifts] to DataMap<#[id(registry="villager_profession",tags="allowed")] string, (
+	#[id="loot_table"] string |
+	struct RaidHeroGift {
+		loot_table: #[id="loot_table"] string,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_vibration_frequencies] to DataMap<#[id(registry="game_event",tags="allowed")] string, (
+	int @ 1..15 |
+	struct VibrationFrequency {
+		frequency: int @ 1..15,
+	} |
+)>
+
+dispatch minecraft:resource[neoforge:data_map_waxables] to DataMap<#[id(registry="block",tags="allowed")] string, (
+	#[id="block"] string |
+	struct Waxable {
+		waxed: #[id="block"] string,
+	} |
+)>
diff --git a/public/mcdoc/ohthetreesyoullgrow.mcdoc b/public/mcdoc/ohthetreesyoullgrow.mcdoc
new file mode 100644
index 00000000..c3006a45
--- /dev/null
+++ b/public/mcdoc/ohthetreesyoullgrow.mcdoc
@@ -0,0 +1,34 @@
+use ::java::data::worldgen::feature::block_predicate::BlockPredicate
+use ::java::data::worldgen::feature::block_state_provider::BlockStateProvider
+use ::java::data::worldgen::feature::tree::TreeDecorator
+use ::java::data::worldgen::IntProvider
+
+dispatch minecraft:resource[ohthetreesyoullgrow:configured_feature] to struct ConfiguredFeature {
+	type: #[id] FeatureTypes,
+	config: ohthetreesyoullgrow:feature_config[[type]],
+}
+
+enum(string) FeatureTypes {
+	TreeFromNbt = "ohthetreesyoullgrow:tree_from_nbt_v1",
+}
+
+dispatch ohthetreesyoullgrow:feature_config[ohthetreesyoullgrow:tree_from_nbt_v1] to struct TreeFromNbt {
+	/// The path to the trunk structure piece.
+	base_location: #[id="structure"] string,
+	/// The path to the canopy structure piece.
+	canopy_location: #[id="structure"] string,
+	/// Block filter for which this tree is allowed to grow on. Checks all of the red wool positions defined by the trunk.
+	can_grow_on_filter: BlockPredicate,
+	/// Block filter for which this tree's leaves are allowed to place.
+	can_leaves_place_filter: BlockPredicate,
+	decorators?: [TreeDecorator],
+	/// Int provider defining the height of the tree.
+	height: IntProvider<int>,
+	leaves_provider: BlockStateProvider,
+	leaves_target: [#[id="block"] string],
+	log_provider: BlockStateProvider,
+	log_target: [#[id="block"] string],
+	max_log_depth?: int,
+	/// Additional blocks from the structure pieces that should be placed in the world.
+	place_from_nbt: [#[id="block"] string],
+}
diff --git a/src/app/Analytics.ts b/src/app/Analytics.ts
index 33b28851..f9db0c24 100644
--- a/src/app/Analytics.ts
+++ b/src/app/Analytics.ts
@@ -1,7 +1,7 @@
 import type { ColormapType } from './components/previews/Colormap.js'
 import type { VersionId } from './services/index.js'
 
-type Method = 'menu' | 'hotkey'
+export type Method = 'menu' | 'hotkey'
 
 export namespace Analytics {
 
@@ -226,61 +226,44 @@ export namespace Analytics {
 		})
 	}
 
-	export function showProject(file_type: string, projects_count: number, project_size: number, method: Method) {
+	export function showProject(method: Method) {
 		event(ID_GENERATOR, 'show-project', legacyMethod(method))
 		gtag('event', 'show_project', {
-			file_type,
-			projects_count,
-			project_size,
 			method,
 		})
 	}
 
-	export function hideProject(file_type: string, projects_count: number, project_size: number, method: Method) {
+	export function hideProject(method: Method) {
 		event(ID_GENERATOR, 'hide-project', legacyMethod(method))
 		gtag('event', 'hide_project', {
-			file_type,
-			projects_count,
-			project_size,
 			method,
 		})
 	}
 
-	export function saveProjectFile(file_type: string, projects_count: number, project_size: number, method: Method) {
+	export function saveProjectFile(method: Method) {
 		event(ID_GENERATOR, 'save-project-file', legacyMethod(method))
 		gtag('event', 'save_project_file', {
-			file_type,
-			projects_count,
-			project_size,
 			method,
 		})
 	}
 
-	export function deleteProjectFile(file_type: string, projects_count: number, project_size: number, method: Method) {
+	export function deleteProjectFile(method: Method) {
 		event(ID_GENERATOR, 'delete-project-file', legacyMethod(method))
 		gtag('event', 'delete_project_file', {
-			file_type,
-			projects_count,
-			project_size,
 			method,
 		})
 	}
 
-	export function renameProjectFile(file_type: string, projects_count: number, project_size: number, method: Method) {
+	export function renameProjectFile(method: Method) {
 		event(ID_GENERATOR, 'rename-project-file', legacyMethod(method))
 		gtag('event', 'rename_project_file', {
-			file_type,
-			projects_count,
-			project_size,
 			method,
 		})
 	}
 
-	export function deleteProject(projects_count: number, project_size: number, method: Method) {
+	export function deleteProject(method: Method) {
 		event(ID_GENERATOR, 'delete-project', legacyMethod(method))
 		gtag('event', 'delete_project', {
-			projects_count,
-			project_size,
 			method,
 		})
 	}
diff --git a/src/app/Config.ts b/src/app/Config.ts
index f1e92638..fab1c8f7 100644
--- a/src/app/Config.ts
+++ b/src/app/Config.ts
@@ -1,5 +1,5 @@
 import config from '../config.json'
-import type { VersionId } from './services/Schemas.js'
+import type { VersionId } from './services/Versions.js'
 
 export interface ConfigLanguage {
 	code: string,
@@ -20,11 +20,10 @@ export interface ConfigVersion {
 export interface ConfigGenerator {
 	id: string,
 	url: string,
-	schema: string,
 	path?: string,
 	noPath?: boolean,
 	tags?: string[],
-	partner?: string,
+	dependency?: string,
 	minVersion?: string,
 	maxVersion?: string,
 	wiki?: string,
diff --git a/src/app/Main.tsx b/src/app/Main.tsx
index 28a0089f..78c5344c 100644
--- a/src/app/Main.tsx
+++ b/src/app/Main.tsx
@@ -4,6 +4,8 @@ import '../styles/main.css'
 import '../styles/nodes.css'
 import { App } from './App.js'
 import { LocaleProvider, ProjectProvider, StoreProvider, ThemeProvider, TitleProvider, VersionProvider } from './contexts/index.js'
+import { ModalProvider } from './contexts/Modal.jsx'
+import { SpyglassProvider } from './contexts/Spyglass.jsx'
 
 function Main() {
 	return (
@@ -12,9 +14,13 @@ function Main() {
 				<ThemeProvider>
 					<VersionProvider>
 						<TitleProvider>
-							<ProjectProvider>
-								<App />
-							</ProjectProvider>
+							<SpyglassProvider>
+								<ProjectProvider>
+									<ModalProvider>
+										<App />
+									</ModalProvider>
+								</ProjectProvider>
+							</SpyglassProvider>
 						</TitleProvider>
 					</VersionProvider>
 				</ThemeProvider>
diff --git a/src/app/Store.ts b/src/app/Store.ts
index 89ea0f85..a4a8153f 100644
--- a/src/app/Store.ts
+++ b/src/app/Store.ts
@@ -1,9 +1,10 @@
 import type { ColormapType } from './components/previews/Colormap.js'
 import { ColormapTypes } from './components/previews/Colormap.js'
-import type { Project } from './contexts/index.js'
+import type { ProjectMeta } from './contexts/index.js'
 import { DRAFT_PROJECT } from './contexts/index.js'
 import type { VersionId } from './services/index.js'
 import { DEFAULT_VERSION, VersionIds } from './services/index.js'
+import { safeJsonParse } from './Utils.js'
 
 export namespace Store {
 	export const ID_LANGUAGE = 'language'
@@ -14,7 +15,6 @@ export namespace Store {
 	export const ID_HIGHLIGHTING = 'output_highlighting'
 	export const ID_SOUNDS_VERSION = 'minecraft_sounds_version'
 	export const ID_PROJECTS = 'misode_projects'
-	export const ID_BACKUPS = 'misode_generator_backups'
 	export const ID_PREVIEW_PANEL_OPEN = 'misode_preview_panel_open'
 	export const ID_PROJECT_PANEL_OPEN = 'misode_project_panel_open'
 	export const ID_OPEN_PROJECT = 'misode_open_project'
@@ -63,29 +63,24 @@ export namespace Store {
 		return localStorage.getItem(ID_SOUNDS_VERSION) ?? 'latest'
 	}
 
-	export function getProjects(): Project[] {
+	export function getProjects(): ProjectMeta[] {
 		const projects = localStorage.getItem(ID_PROJECTS)
 		if (projects) {
-			return JSON.parse(projects) as Project[]
+			return safeJsonParse(projects) ?? []
 		}
 		return [DRAFT_PROJECT]
 	}
 
-	export function getBackup(id: string): object | undefined {
-		const backups = JSON.parse(localStorage.getItem(ID_BACKUPS) ?? '{}')
-		return backups[id]
-	}
-
 	export function getPreviewPanelOpen(): boolean | undefined {
 		const open = localStorage.getItem(ID_PREVIEW_PANEL_OPEN)
 		if (open === null) return undefined
-		return JSON.parse(open)
+		return safeJsonParse(open)
 	}
 
 	export function getProjectPanelOpen(): boolean | undefined {
 		const open = localStorage.getItem(ID_PROJECT_PANEL_OPEN)
 		if (open === null) return undefined
-		return JSON.parse(open)
+		return safeJsonParse(open)
 	}
 
 	export function getOpenProject() {
@@ -105,7 +100,8 @@ export namespace Store {
 	}
 
 	export function getGeneratorHistory(): string[] {
-		return JSON.parse(localStorage.getItem(ID_GENERATOR_HISTORY) ?? '[]')
+		const value = localStorage.getItem(ID_GENERATOR_HISTORY) ?? '[]'
+		return safeJsonParse(value) ?? []
 	}
 
 	export function setLanguage(language: string | undefined) {
@@ -136,20 +132,10 @@ export namespace Store {
 		if (version) localStorage.setItem(ID_SOUNDS_VERSION, version)
 	}
 
-	export function setProjects(projects: Project[] | undefined) {
+	export function setProjects(projects: ProjectMeta[] | undefined) {
 		if (projects) localStorage.setItem(ID_PROJECTS, JSON.stringify(projects))
 	}
 
-	export function setBackup(id: string, data: object | undefined) {
-		const backups = JSON.parse(localStorage.getItem(ID_BACKUPS) ?? '{}')
-		if (data === undefined) {
-			delete backups[id]
-		} else {
-			backups[id] = data
-		}
-		localStorage.setItem(ID_BACKUPS, JSON.stringify(backups))
-	}
-
 	export function setPreviewPanelOpen(open: boolean | undefined) {
 		if (open === undefined) {
 			localStorage.removeItem(ID_PREVIEW_PANEL_OPEN)
@@ -189,7 +175,8 @@ export namespace Store {
 	}
 
 	export function getWhatsNewSeen(): { id: string, time: string }[] {
-		return JSON.parse(localStorage.getItem(ID_WHATS_NEW_SEEN) ?? '[]')
+		const value = localStorage.getItem(ID_WHATS_NEW_SEEN) ?? '[]'
+		return safeJsonParse(value) ?? []
 	}
 
 	export function seeWhatsNew(ids: string[]) {
diff --git a/src/app/Utils.ts b/src/app/Utils.ts
index 578d6b33..207f5067 100644
--- a/src/app/Utils.ts
+++ b/src/app/Utils.ts
@@ -1,5 +1,3 @@
-import type { DataModel } from '@mcschema/core'
-import { Path } from '@mcschema/core'
 import * as zip from '@zip.js/zip.js'
 import type { Identifier, NbtTag, Random } from 'deepslate'
 import { Matrix3, Matrix4, NbtByte, NbtCompound, NbtDouble, NbtInt, NbtList, NbtString, Vector } from 'deepslate'
@@ -32,7 +30,11 @@ export function hexId(length = 12) {
 }
 
 export function randomSeed() {
-	return BigInt(Math.floor(Math.random() * Number.MAX_SAFE_INTEGER))
+	return BigInt(Math.floor((Math.random() - 0.5) * 2 * Number.MAX_SAFE_INTEGER))
+}
+
+export function randomInt() {
+	return Math.floor(Math.random() * 4294967296) - 2147483648
 }
 
 export function generateUUID() {
@@ -47,21 +49,6 @@ export function generateColor() {
 	return Math.floor(Math.random() * 16777215)
 }
 
-export function newSeed(model: DataModel) {
-	const seed = Math.floor(Math.random() * (4294967296)) - 2147483648
-	const dimensions = model.get(new Path(['dimensions']))
-	model.set(new Path(['seed']), seed, true)
-	if (isObject(dimensions)) {
-		Object.keys(dimensions).forEach(id => {
-			model.set(new Path(['dimensions', id, 'generator', 'seed']), seed, true)
-			model.set(new Path(['dimensions', id, 'generator', 'biome_source', 'seed']), seed, true)
-		})
-	}
-	model.set(new Path(['placement', 'salt']), Math.abs(seed), true)
-	model.set(new Path(['generator', 'seed']), seed, true)
-	model.set(new Path(['generator', 'biome_source', 'seed']), seed)
-}
-
 export function htmlEncode(str: string) {
 	return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
 		.replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g, '&#x2F;')
@@ -308,23 +295,23 @@ export class BiMap<A, B> {
 	}
 }
 
-export async function readZip(file: File | ArrayBuffer, predicate: (name: string) => boolean = () => true): Promise<[string, string][]> {
+export async function readZip(file: File | ArrayBuffer, predicate: (name: string) => boolean = () => true): Promise<[string, Uint8Array][]> {
 	const buffer = file instanceof File ? await file.arrayBuffer() : file
 	const reader = new zip.ZipReader(new zip.BlobReader(new Blob([buffer])))
 	const entries = await reader.getEntries()
 	return await Promise.all(entries
 		.filter(e => !e.directory && predicate(e.filename))
 		.map(async e => {
-			const writer = new zip.TextWriter('utf-8')
-			return [e.filename, await e.getData?.(writer)] as [string, string]
+			const writer = new zip.Uint8ArrayWriter()
+			return [e.filename, await e.getData?.(writer)]
 		})
 	)
 }
 
-export async function writeZip(entries: [string, string][]): Promise<string> {
+export async function writeZip(entries: [string, Uint8Array][]): Promise<string> {
 	const writer = new zip.ZipWriter(new zip.Data64URIWriter('application/zip'))
 	await Promise.all(entries.map(async ([name, data]) => {
-		await writer.add(name, new zip.TextReader(data))
+		await writer.add(name, new zip.Uint8ArrayReader(data))
 	}))
 	return await writer.close()
 }
@@ -640,3 +627,11 @@ export function makeDescriptionId(prefix: string, id: Identifier | undefined) {
 	}
 	return `${prefix}.${id.namespace}.${id.path.replaceAll('/', '.')}`
 }
+
+export function safeJsonParse(text: string): any {
+	try {
+		return JSON.parse(text)
+	} catch (e) {
+		return undefined
+	}
+}
diff --git a/src/app/components/ErrorPanel.tsx b/src/app/components/ErrorPanel.tsx
index c6bb8d03..5b6c49f5 100644
--- a/src/app/components/ErrorPanel.tsx
+++ b/src/app/components/ErrorPanel.tsx
@@ -1,10 +1,12 @@
 import type { ComponentChildren } from 'preact'
 import { getCurrentUrl } from 'preact-router'
 import { useEffect, useMemo, useState } from 'preact/hooks'
-import { Store } from '../Store.js'
-import { getGenerator } from '../Utils.js'
+import { useProject } from '../contexts/Project.jsx'
+import { useSpyglass } from '../contexts/Spyglass.jsx'
 import { useVersion } from '../contexts/Version.jsx'
+import { useAsync } from '../hooks/useAsync.js'
 import { latestVersion } from '../services/DataFetcher.js'
+import { getGenerator } from '../Utils.js'
 import { Octicon } from './index.js'
 
 type ErrorPanelProps = {
@@ -17,12 +19,23 @@ type ErrorPanelProps = {
 }
 export function ErrorPanel({ error, prefix, reportable, onDismiss, body: body_, children }: ErrorPanelProps) {
 	const { version } = useVersion()
+	const { service } = useSpyglass()
+	const { projectUri } = useProject()
 	const [stackVisible, setStackVisible] = useState(false)
 	const [stack, setStack] = useState<string | undefined>(undefined)
 
-	const gen = getGenerator(getCurrentUrl())
-	const source = gen ? Store.getBackup(gen.id) : undefined
 	const name = (prefix ?? '') + (error instanceof Error ? error.message : error)
+	const gen = getGenerator(getCurrentUrl())
+	const { value: source } = useAsync(async () => {
+		if (!service || !gen) {
+			return undefined
+		}
+		const uri = projectUri ?? service.getUnsavedFileUri(gen)
+		if (!uri) {
+			return undefined
+		}
+		return await service.readFile(uri)
+	}, [service, version, projectUri, gen])
 
 	useEffect(() => {
 		if (error instanceof Error) {
@@ -56,7 +69,7 @@ export function ErrorPanel({ error, prefix, reportable, onDismiss, body: body_,
 			body += `\n### Stack trace\n\`\`\`\n${fullName}\n${stack}\n\`\`\`\n`
 		}
 		if (source) {
-			body += `\n### Generator JSON\n<details>\n<pre>\n${JSON.stringify(source, null, 2)}\n</pre>\n</details>\n`
+			body += `\n### Generator JSON\n<details>\n<pre>\n${source}\n</pre>\n</details>\n`
 		}
 		if (body_) {
 			body += body_
diff --git a/src/app/components/Header.tsx b/src/app/components/Header.tsx
index c4f6748a..9afb5bda 100644
--- a/src/app/components/Header.tsx
+++ b/src/app/components/Header.tsx
@@ -22,9 +22,9 @@ export function Header() {
 
 	return <header>
 		<div class="title">
-			<Link class="home-link" href="/" aria-label={locale('home')} data-cy="home-link">{Icons.home}</Link>
+			<Link class="home-link" href="/" aria-label={locale('home')}>{Icons.home}</Link>
 			<h1 class="font-bold">{title}</h1>
-			{gen && <BtnMenu icon="chevron_down" tooltip={locale('switch_generator')} data-cy="generator-switcher">
+			{gen && <BtnMenu icon="chevron_down" tooltip={locale('switch_generator')}>
 				{config.generators
 					.filter(g => g.tags?.[0] === gen?.tags?.[0] && checkVersion(version, g.minVersion))
 					.map(g =>
@@ -39,7 +39,7 @@ export function Header() {
 		</div>
 		<nav>
 			<ul>
-				<li data-cy="language-switcher">
+				<li>
 					<BtnMenu icon="globe" tooltip={locale('language')}>
 						{config.languages.map(({ code, name }) =>
 							<Btn label={name} active={code === lang}
@@ -47,7 +47,7 @@ export function Header() {
 						)}
 					</BtnMenu>
 				</li>
-				<li data-cy="theme-switcher">
+				<li>
 					<BtnMenu icon={Themes[theme]} tooltip={locale('theme')}>
 						{Object.entries(Themes).map(([th, icon]) =>
 							<Btn icon={icon} label={locale(`theme.${th}`)} active={th === theme}
diff --git a/src/app/components/ItemDisplay.tsx b/src/app/components/ItemDisplay.tsx
index 17f8e1ae..0b46068e 100644
--- a/src/app/components/ItemDisplay.tsx
+++ b/src/app/components/ItemDisplay.tsx
@@ -3,10 +3,9 @@ import { Identifier } from 'deepslate/core'
 import { useCallback, useEffect, useMemo, useRef, useState } from 'preact/hooks'
 import { useVersion } from '../contexts/Version.jsx'
 import { useAsync } from '../hooks/useAsync.js'
-import { fetchItemComponents } from '../services/index.js'
+import { fetchItemComponents, fetchRegistries } from '../services/index.js'
 import { ResolvedItem } from '../services/ResolvedItem.js'
 import { renderItem } from '../services/Resources.js'
-import { getCollections } from '../services/Schemas.js'
 import { jsonToNbt } from '../Utils.js'
 import { ItemTooltip } from './ItemTooltip.jsx'
 import { Octicon } from './Octicon.jsx'
@@ -83,14 +82,17 @@ function ItemItself({ item }: ResolvedProps) {
 		return Octicon.package
 	}
 
-	const { value: collections } = useAsync(() => getCollections(version), [])
+	const { value: allModels, loading: loadingModels } = useAsync(async () => {
+		const registries = await fetchRegistries(version)
+		return registries.get('model')
+	}, [version])
 
-	if (collections === undefined) {
+	if (loadingModels || allModels === undefined) {
 		return null
 	}
 
 	const modelPath = `item/${item.id.path}`
-	if (collections.get('model').includes('minecraft:' + modelPath)) {
+	if (allModels && allModels.includes('minecraft:' + modelPath)) {
 		return <RenderedItem item={item} />
 	}
 
diff --git a/src/app/components/ItemDisplay1204.tsx b/src/app/components/ItemDisplay1204.tsx
index 05b5d959..f8bf9ce7 100644
--- a/src/app/components/ItemDisplay1204.tsx
+++ b/src/app/components/ItemDisplay1204.tsx
@@ -3,8 +3,8 @@ import { Identifier } from 'deepslate-1.20.4/core'
 import { useEffect, useRef, useState } from 'preact/hooks'
 import { useVersion } from '../contexts/Version.jsx'
 import { useAsync } from '../hooks/useAsync.js'
+import { fetchRegistries } from '../services/index.js'
 import { renderItem } from '../services/Resources1204.js'
-import { getCollections } from '../services/Schemas.js'
 import { ItemTooltip1204 } from './ItemTooltip1204.jsx'
 import { Octicon } from './Octicon.jsx'
 import { itemHasGlint } from './previews/LootTable1204.js'
@@ -69,14 +69,17 @@ function ItemItself({ item }: Props) {
 		return Octicon.package
 	}
 
-	const { value: collections } = useAsync(() => getCollections(version), [])
+	const { value: allModels, loading: loadingModels } = useAsync(async () => {
+		const registries = await fetchRegistries(version)
+		return registries.get('model')
+	}, [version])
 
-	if (collections === undefined) {
+	if (loadingModels || allModels === undefined) {
 		return null
 	}
 
 	const modelPath = `item/${item.id.path}`
-	if (collections.get('model').includes('minecraft:' + modelPath)) {
+	if (allModels && allModels.includes('minecraft:' + modelPath)) {
 		return <RenderedItem item={item} hasGlint={hasGlint} />
 	}
 
diff --git a/src/app/components/Modal.tsx b/src/app/components/Modal.tsx
index a5741e72..cfd5763c 100644
--- a/src/app/components/Modal.tsx
+++ b/src/app/components/Modal.tsx
@@ -1,21 +1,22 @@
 import type { JSX } from 'preact'
 import { useCallback, useEffect } from 'preact/hooks'
+import { useModal } from '../contexts/Modal.jsx'
 import { LOSE_FOCUS } from '../hooks/index.js'
 
 const MODALS_KEY = 'data-modals'
 
-interface Props extends JSX.HTMLAttributes<HTMLDivElement> {
-	onDismiss: () => void,
-}
+interface Props extends JSX.HTMLAttributes<HTMLDivElement> {}
 export function Modal(props: Props) {
+	const { hideModal } = useModal()
+
 	useEffect(() => {
 		addCurrentModals(1)
-		window.addEventListener('click', props.onDismiss)
+		window.addEventListener('click', hideModal)
 		return () => {
 			addCurrentModals(-1)
-			window.removeEventListener('click', props.onDismiss)
+			window.removeEventListener('click', hideModal)
 		}
-	})
+	}, [hideModal])
 
 	const onClick = useCallback((e: MouseEvent) => {
 		e.stopPropagation()
diff --git a/src/app/components/customized/CustomizedGenerator.ts b/src/app/components/customized/CustomizedGenerator.ts
index 55f2d03a..21ac803d 100644
--- a/src/app/components/customized/CustomizedGenerator.ts
+++ b/src/app/components/customized/CustomizedGenerator.ts
@@ -1,7 +1,8 @@
 import { Identifier } from 'deepslate'
-import { deepClone, deepEqual } from '../../Utils.js'
+import type { BlockStateData } from '../../services/DataFetcher.js'
 import { fetchAllPresets, fetchBlockStates } from '../../services/DataFetcher.js'
-import type { VersionId } from '../../services/Schemas.js'
+import type { VersionId } from '../../services/Versions.js'
+import { deepClone, deepEqual } from '../../Utils.js'
 import type { CustomizedOreModel } from './CustomizedModel.js'
 import { CustomizedModel } from './CustomizedModel.js'
 
@@ -17,7 +18,7 @@ interface Context {
 	model: CustomizedModel,
 	initial: CustomizedModel,
 	version: VersionId,
-	blockStates: Map<string, {properties: Record<string, string[]>, default: Record<string, string>}>,
+	blockStates: Map<string, BlockStateData>,
 	vanilla: CustomizedPack,
 	out: CustomizedPack,
 	featureCollisionIndex: number,
@@ -77,7 +78,7 @@ function generateNoiseSettings(ctx: Context) {
 		sea_level: ctx.model.seaLevel,
 		default_fluid: {
 			Name: defaultFluid,
-			Properties: ctx.blockStates.get(defaultFluid)?.default,
+			Properties: ctx.blockStates.get(defaultFluid.replace(/^minecraft:/, ''))?.[1],
 		},
 		noise: {
 			...vanilla.noise,
diff --git a/src/app/components/customized/CustomizedModel.ts b/src/app/components/customized/CustomizedModel.ts
index 68f2ded0..da9851e4 100644
--- a/src/app/components/customized/CustomizedModel.ts
+++ b/src/app/components/customized/CustomizedModel.ts
@@ -1,4 +1,4 @@
-import type { VersionId } from '../../services/Schemas.js'
+import type { VersionId } from '../../services/Versions.js'
 
 export interface CustomizedOreModel {
 	size: number,
diff --git a/src/app/components/customized/CustomizedPanel.tsx b/src/app/components/customized/CustomizedPanel.tsx
index 83a3ca02..0b0df0b2 100644
--- a/src/app/components/customized/CustomizedPanel.tsx
+++ b/src/app/components/customized/CustomizedPanel.tsx
@@ -1,8 +1,8 @@
 import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
 import config from '../../Config.js'
-import { deepClone, deepEqual, writeZip } from '../../Utils.js'
 import { useVersion } from '../../contexts/Version.jsx'
 import { stringifySource } from '../../services/Source.js'
+import { deepClone, deepEqual, writeZip } from '../../Utils.js'
 import { Btn } from '../Btn.jsx'
 import { ErrorPanel } from '../ErrorPanel.jsx'
 import { Octicon } from '../Octicon.jsx'
@@ -44,11 +44,13 @@ export function CustomizedPanel({ tab }: Props) {
 			const entries = Object.entries(pack).flatMap(([type, files]) => {
 				const prefix = `data/minecraft/${type}/`
 				return [...files.entries()].map(([name, data]) => {
-					return [prefix + name + '.json', stringifySource(data, 'json')] as [string, string]
+					const text = stringifySource(JSON.stringify(data, null, 2), 'json')
+					return [prefix + name + '.json', new TextEncoder().encode(text)] as [string, Uint8Array]
 				})
 			})
 			const pack_format = config.versions.find(v => v.id === version)!.pack_format
-			entries.push(['pack.mcmeta', stringifySource({ pack: { pack_format, description: 'Customized world from misode.github.io' } }, 'json')])
+			const packMcmetaText = stringifySource(JSON.stringify({ pack: { pack_format, description: 'Customized world from misode.github.io' } }, null, 2), 'json')
+			entries.push(['pack.mcmeta', new TextEncoder().encode(packMcmetaText)])
 			const url = await writeZip(entries)
 			download.current.setAttribute('href', url)
 			download.current.setAttribute('download', 'customized.zip')
diff --git a/src/app/components/customized/CustomizedSlider.tsx b/src/app/components/customized/CustomizedSlider.tsx
index 3a15c447..4ecdd33b 100644
--- a/src/app/components/customized/CustomizedSlider.tsx
+++ b/src/app/components/customized/CustomizedSlider.tsx
@@ -1,4 +1,3 @@
-import type { NodeChildren } from '@mcschema/core'
 import { NumberInput, RangeInput } from '../index.js'
 import { CustomizedInput } from './CustomizedInput.jsx'
 
@@ -12,7 +11,6 @@ interface Props {
 	initial?: number,
 	error?: string,
 	onChange: (value: number) => void,
-	children?: NodeChildren,
 }
 export function CustomizedSlider(props: Props) {
 	const isInteger = (props.step ?? 1) >= 1
diff --git a/src/app/components/generator/FileCreation.tsx b/src/app/components/generator/FileCreation.tsx
index 83252fd2..5bf97df5 100644
--- a/src/app/components/generator/FileCreation.tsx
+++ b/src/app/components/generator/FileCreation.tsx
@@ -1,41 +1,57 @@
-import { DataModel } from '@mcschema/core'
-import { useState } from 'preact/hooks'
+import type { DocAndNode } from '@spyglassmc/core'
+import { Identifier } from 'deepslate'
+import { useCallback, useState } from 'preact/hooks'
+import type { Method } from '../../Analytics.js'
 import { Analytics } from '../../Analytics.js'
-import { useLocale, useProject } from '../../contexts/index.js'
+import type { ConfigGenerator } from '../../Config.js'
+import { getProjectRoot, useLocale, useProject, useVersion } from '../../contexts/index.js'
+import { useModal } from '../../contexts/Modal.jsx'
+import { useSpyglass } from '../../contexts/Spyglass.jsx'
+import { genPath, message } from '../../Utils.js'
 import { Btn } from '../Btn.js'
 import { TextInput } from '../forms/index.js'
 import { Modal } from '../Modal.js'
 
 interface Props {
-	model: DataModel,
-	id: string,
-	method: string,
-	onClose: () => void,
+	docAndNode: DocAndNode,
+	gen: ConfigGenerator,
+	method: Method,
 }
-export function FileCreation({ model, id, method, onClose }: Props) {
+export function FileCreation({ docAndNode, gen, method }: Props) {
 	const { locale } = useLocale()
-	const { projects, project, updateFile } = useProject()
-	const [fileId, setFileId] = useState(id === 'pack_mcmeta' ? 'pack' : '')
-	const [error, setError] = useState<string>()
+	const { version } = useVersion()
+	const { hideModal } = useModal()
+	const { project } = useProject()
+	const { client } = useSpyglass()
 
+	const [fileId, setFileId] = useState(gen.id === 'pack_mcmeta' ? 'pack' : '')
+	const [error, setError] = useState<string>()
+	
 	const changeFileId = (str: string) => {
 		setError(undefined)
 		setFileId(str)
 	}
 
-	const doSave = () => {
+	const doSave = useCallback(() => {
 		if (!fileId.match(/^([a-z0-9_.-]+:)?[a-z0-9/_.-]+$/)) {
 			setError('Invalid resource location')
 			return
 		}
-		Analytics.saveProjectFile(id, projects.length, project.files.length, method as any)
-		updateFile(id, undefined, { type: id, id: fileId, data: DataModel.unwrapLists(model.data) })
-		onClose()
-	}
+		const id = Identifier.parse(fileId.includes(':') || project.namespace === undefined ? fileId : `${project.namespace}:${fileId}`)
+		const pack = gen.tags?.includes('assets') ? 'assets' : 'data'
+		const uri = `${getProjectRoot(project)}${pack}/${id.namespace}/${genPath(gen, version)}/${id.path}.json`
+		Analytics.saveProjectFile(method)
+		const text = docAndNode.doc.getText()
+		client.fs.writeFile(uri, text).then(() => {
+			hideModal()
+		}).catch((e) => {
+			setError(message(e))
+		})
+	}, [version, project, client, fileId ])
 
-	return <Modal class="file-modal" onDismiss={onClose}>
+	return <Modal class="file-modal">
 		<p>{locale('project.save_current_file')}</p>
-		<TextInput autofocus={id !== 'pack_mcmeta'} class="btn btn-input" value={fileId} onChange={changeFileId} onEnter={doSave} onCancel={onClose} placeholder={locale('resource_location')} spellcheck={false} readOnly={id === 'pack_mcmeta'} />
+		<TextInput autofocus={gen.id !== 'pack_mcmeta'} class="btn btn-input" value={fileId} onChange={changeFileId} onEnter={doSave} onCancel={hideModal} placeholder={locale('resource_location')} spellcheck={false} readOnly={gen.id === 'pack_mcmeta'} />
 		{error !== undefined && <span class="invalid">{error}</span>}
 		<Btn icon="file" label={locale('project.save')} onClick={doSave} />
 	</Modal>
diff --git a/src/app/components/generator/FileRenaming.tsx b/src/app/components/generator/FileRenaming.tsx
index 20269483..6cf62538 100644
--- a/src/app/components/generator/FileRenaming.tsx
+++ b/src/app/components/generator/FileRenaming.tsx
@@ -1,40 +1,40 @@
-import { useState } from 'preact/hooks'
+import { useCallback, useState } from 'preact/hooks'
 import { Analytics } from '../../Analytics.js'
-import { useLocale, useProject } from '../../contexts/index.js'
+import { useLocale } from '../../contexts/index.js'
+import { useModal } from '../../contexts/Modal.jsx'
 import { Btn } from '../Btn.js'
 import { TextInput } from '../forms/index.js'
 import { Modal } from '../Modal.js'
 
 interface Props {
-	id: string,
-	name: string,
-	onClose: () => void,
+	oldId: string,
+	onRename: (newId: string) => void,
 }
-export function FileRenaming({ id, name, onClose }: Props) {
+export function FileRenaming({ oldId, onRename }: Props) {
 	const { locale } = useLocale()
-	const { projects, project, updateFile } = useProject()
-	const [fileId, setFileId] = useState(name)
+	const { hideModal } = useModal()
+	const [fileId, setFileId] = useState(oldId)
 	const [error, setError] = useState<string>()
 
-	const changeFileId = (str: string) => {
+	const changeFileId = useCallback((str: string) => {
 		setError(undefined)
 		setFileId(str)
-	}
+	}, [])
 
-	const doSave = () => {
+	const doRename = useCallback(() => {
 		if (!fileId.match(/^([a-z0-9_.-]+:)?[a-z0-9/_.-]+$/)) {
 			setError('Invalid resource location')
 			return
 		}
-		Analytics.renameProjectFile(id, projects.length, project.files.length, 'menu')
-		updateFile(id, name, { type: id, id: fileId })
-		onClose()
-	}
+		Analytics.renameProjectFile('menu')
+		onRename(fileId)
+		hideModal()
+	}, [fileId, hideModal])
 
-	return <Modal class="file-modal" onDismiss={onClose}>
+	return <Modal class="file-modal">
 		<p>{locale('project.rename_file')}</p>
-		<TextInput autofocus class="btn btn-input" value={fileId} onChange={changeFileId} onEnter={doSave} onCancel={onClose} placeholder={locale('resource_location')} spellcheck={false} />
+		<TextInput autofocus class="btn btn-input" value={fileId} onChange={changeFileId} onEnter={doRename} onCancel={hideModal} placeholder={locale('resource_location')} spellcheck={false} />
 		{error !== undefined && <span class="invalid">{error}</span>}
-		<Btn icon="pencil" label={locale('project.rename')} onClick={doSave} />
+		<Btn icon="pencil" label={locale('project.rename')} onClick={doRename} />
 	</Modal>
 }
diff --git a/src/app/components/generator/FileView.tsx b/src/app/components/generator/FileView.tsx
new file mode 100644
index 00000000..e5fe3fae
--- /dev/null
+++ b/src/app/components/generator/FileView.tsx
@@ -0,0 +1,37 @@
+import type { DocAndNode } from '@spyglassmc/core'
+import { JsonFileNode } from '@spyglassmc/json'
+import { useErrorBoundary } from 'preact/hooks'
+import { useDocAndNode, useSpyglass } from '../../contexts/Spyglass.jsx'
+import { message } from '../../Utils.js'
+import { ErrorPanel } from '../ErrorPanel.jsx'
+import { JsonFileView } from './JsonFileView.jsx'
+
+type FileViewProps = {
+	docAndNode: DocAndNode | undefined,
+}
+export function FileView({ docAndNode: original }: FileViewProps) {
+	const { serviceLoading } = useSpyglass()
+
+	const [error, errorRetry] = useErrorBoundary()
+	if (error) {
+		return <ErrorPanel error={`Error viewing the file: ${message(error)}`} onDismiss={errorRetry} />
+	}
+
+	const docAndNode = useDocAndNode(original)
+	if (!docAndNode || serviceLoading) {
+		return <div class="file-view flex flex-col gap-1">
+			<div class="skeleton rounded-md h-[34px] w-[200px]"></div>
+			<div class="skeleton rounded-md h-[34px] w-[240px]"></div>
+			<div class="skeleton rounded-md h-[34px] w-[190px] ml-[18px]"></div>
+			<div class="skeleton rounded-md h-[34px] w-[130px] ml-[18px]"></div>
+			<div class="skeleton rounded-md h-[34px] w-[290px]"></div>
+		</div>
+	}
+
+	const fileNode = docAndNode?.node.children[0]
+	if (JsonFileNode.is(fileNode)) {
+		return <JsonFileView docAndNode={docAndNode} node={fileNode.children[0]} />
+	}
+
+	return <ErrorPanel error={`Cannot view file ${docAndNode.doc.uri}`} />
+}
diff --git a/src/app/components/generator/GeneratorCard.tsx b/src/app/components/generator/GeneratorCard.tsx
index 0ddc039a..dc03e8e6 100644
--- a/src/app/components/generator/GeneratorCard.tsx
+++ b/src/app/components/generator/GeneratorCard.tsx
@@ -2,8 +2,8 @@ import { useMemo } from 'preact/hooks'
 import type { ConfigGenerator } from '../../Config.js'
 import config from '../../Config.js'
 import { useLocale } from '../../contexts/Locale.jsx'
-import type { VersionId } from '../../services/Schemas.js'
-import { checkVersion } from '../../services/Schemas.js'
+import type { VersionId } from '../../services/Versions.js'
+import { checkVersion } from '../../services/Versions.js'
 import { cleanUrl } from '../../Utils.js'
 import { Badge, Card, Icons, ToolCard } from '../index.js'
 
diff --git a/src/app/components/generator/GeneratorList.tsx b/src/app/components/generator/GeneratorList.tsx
index 7faf0cb9..13addca2 100644
--- a/src/app/components/generator/GeneratorList.tsx
+++ b/src/app/components/generator/GeneratorList.tsx
@@ -2,7 +2,7 @@ import { useMemo, useState } from 'preact/hooks'
 import type { ConfigGenerator } from '../../Config.js'
 import config from '../../Config.js'
 import { useLocale, useVersion } from '../../contexts/index.js'
-import { checkVersion } from '../../services/Schemas.js'
+import { checkVersion } from '../../services/Versions.js'
 import { GeneratorCard, TextInput, VersionSwitcher } from '../index.js'
 
 interface Props {
diff --git a/src/app/components/generator/JsonFileView.tsx b/src/app/components/generator/JsonFileView.tsx
new file mode 100644
index 00000000..734c63c0
--- /dev/null
+++ b/src/app/components/generator/JsonFileView.tsx
@@ -0,0 +1,79 @@
+import type { DocAndNode, Range } from '@spyglassmc/core'
+import { dissectUri } from '@spyglassmc/java-edition/lib/binder/index.js'
+import type { JsonNode } from '@spyglassmc/json'
+import { JsonFileNode } from '@spyglassmc/json'
+import { useCallback, useMemo } from 'preact/hooks'
+import { useSpyglass } from '../../contexts/Spyglass.jsx'
+import { getRootType, simplifyType } from './McdocHelpers.js'
+import type { McdocContext } from './McdocRenderer.jsx'
+import { McdocRoot } from './McdocRenderer.jsx'
+
+type JsonFileViewProps = {
+	docAndNode: DocAndNode,
+	node: JsonNode,
+}
+export function JsonFileView({ docAndNode, node }: JsonFileViewProps) {
+	const { service } = useSpyglass()
+
+	const makeEdit = useCallback((edit: (range: Range) => JsonNode | undefined) => {
+		if (!service) {
+			return
+		}
+		service.applyEdit(docAndNode.doc.uri, (fileNode) => {
+			const jsonFile = fileNode.children[0]
+			if (JsonFileNode.is(jsonFile)) {
+				const original = jsonFile.children[0]
+				const newNode = edit(original.range)
+				if (newNode !== undefined) {
+					newNode.parent = fileNode
+					fileNode.children[0] = newNode
+				}
+			}
+		})
+	}, [service, docAndNode])
+
+	const ctx = useMemo<McdocContext | undefined>(() => {
+		if (!service) {
+			return undefined
+		}
+		const errors = [
+			...docAndNode.node.binderErrors ?? [],
+			...docAndNode.node.checkerErrors ?? [],
+			...docAndNode.node.linterErrors ?? [],
+		]
+		const checkerCtx = service.getCheckerContext(docAndNode.doc, errors)
+		return { ...checkerCtx, makeEdit }
+	}, [docAndNode, service, makeEdit])
+
+	const resourceType = useMemo(() => {
+		if (docAndNode.doc.uri.endsWith('/pack.mcmeta')) {
+			return 'pack_mcmeta'
+		}
+		if (ctx === undefined) {
+			return undefined
+		}
+		const res = dissectUri(docAndNode.doc.uri, ctx)
+		return res?.category
+	}, [docAndNode, ctx])
+
+	const mcdocType = useMemo(() => {
+		if (!ctx || !resourceType) {
+			return undefined
+		}
+		const rootType = getRootType(resourceType)
+		const type = simplifyType(rootType, ctx)
+		return type
+	}, [resourceType, ctx])
+
+	return <div class="file-view node-root" data-category={getCategory(resourceType)}>
+		{(ctx && mcdocType) && <McdocRoot type={mcdocType} node={node} ctx={ctx} />}
+	</div>
+}
+
+function getCategory(type: string | undefined) {
+	switch (type) {
+		case 'item_modifier': return 'function'
+		case 'predicate': return 'predicate'
+		default: return undefined
+	}
+}
diff --git a/src/app/components/generator/McdocHelpers.ts b/src/app/components/generator/McdocHelpers.ts
new file mode 100644
index 00000000..bb2c319a
--- /dev/null
+++ b/src/app/components/generator/McdocHelpers.ts
@@ -0,0 +1,485 @@
+import * as core from '@spyglassmc/core'
+import type { JsonNode, JsonPairNode } from '@spyglassmc/json'
+import { JsonArrayNode, JsonObjectNode, JsonStringNode } from '@spyglassmc/json'
+import { JsonStringOptions } from '@spyglassmc/json/lib/parser/string.js'
+import type { Attributes, AttributeValue, ListType, McdocType, NumericType, PrimitiveArrayType, TupleType, UnionType } from '@spyglassmc/mcdoc'
+import { NumericRange, RangeKind } from '@spyglassmc/mcdoc'
+import type { McdocCheckerContext, SimplifiedMcdocType, SimplifiedMcdocTypeNoUnion, SimplifyValueNode } from '@spyglassmc/mcdoc/lib/runtime/checker/index.js'
+import { simplify } from '@spyglassmc/mcdoc/lib/runtime/checker/index.js'
+import config from '../../Config.js'
+import { randomInt, randomSeed } from '../../Utils.js'
+
+export function getRootType(id: string): McdocType {
+	if (id === 'pack_mcmeta') {
+		return { kind: 'reference', path: '::java::pack::Pack' }
+	}
+	if (id === 'text_component' ) {
+		return { kind: 'reference', path: '::java::server::util::text::Text' }
+	}
+	if (id.startsWith('tag/')) {
+		const attribute: AttributeValue = {
+			kind: 'tree',
+			values: {
+				registry: { kind: 'literal', value: { kind: 'string', value: id.slice(4) } },
+				tags: { kind: 'literal', value: { kind: 'string', value: 'allowed' } },
+			},
+		}
+		return {
+			kind: 'concrete',
+			child: { kind: 'reference', path: '::java::data::tag::Tag' },
+			typeArgs: [{ kind: 'string', attributes: [{ name: 'id', value: attribute }] }],
+		}
+	}
+	return {
+		kind: 'dispatcher',
+		registry: 'minecraft:resource',
+		parallelIndices: [{ kind: 'static', value: id }],
+	}
+}
+
+export function getRootDefault(id: string, ctx: core.CheckerContext) {
+	const type = simplifyType(getRootType(id), ctx)
+	return getDefault(type, core.Range.create(0), ctx)
+}
+
+export function getDefault(type: SimplifiedMcdocType, range: core.Range, ctx: core.CheckerContext): JsonNode {
+	if (type.kind === 'string') {
+		return JsonStringNode.mock(range)
+	}
+	if (type.kind === 'boolean') {
+		return { type: 'json:boolean', range, value: false }
+	}
+	if (isNumericType(type)) {
+		let num: number | bigint = 0
+		if (type.valueRange) {
+			// Best effort. First try 0 or 1, else set to the lowest bound
+			if (NumericRange.isInRange(type.valueRange, 0)) {
+				num = 0
+			} else if (NumericRange.isInRange(type.valueRange, 1)) {
+				num = 1
+			} else if (type.valueRange.min && type.valueRange.min > 0) {
+				num = type.valueRange.min
+				if (RangeKind.isLeftExclusive(type.valueRange.kind)) {
+					// Assume that left exclusive ranges are longer than 1
+					num += 1
+				}
+			}
+		}
+		if (type.attributes?.some(a => a.name === 'pack_format')) {
+			// Set to the latest pack format
+			const release = ctx.project['loadedVersion']
+			const version = config.versions.find(v => v.ref === release || v.id === release)
+			if (version) {
+				num = version.pack_format
+			}
+		}
+		if (type.attributes?.some(a => a.name === 'random')) {
+			// Generate random number
+			if (type.kind === 'long') {
+				num = randomSeed()
+			} else {
+				num = randomInt()
+			}
+		}
+		const value: core.LongNode | core.FloatNode = typeof num !== 'number' || Number.isInteger(num)
+			? { type: 'long', range, value: typeof num === 'number' ? BigInt(num) : num }
+			: { type: 'float', range, value: num }
+		return { type: 'json:number', range, value, children: [value] }
+	}
+	if (type.kind === 'struct' || type.kind === 'any' || type.kind === 'unsafe') {
+		const object = JsonObjectNode.mock(range)
+		if (type.kind === 'struct') {
+			for (const field of type.fields) {
+				if (field.kind === 'pair' && !field.optional && (typeof field.key === 'string' || field.key.kind === 'literal')) {
+					const key: JsonStringNode = {
+						type: 'json:string',
+						range,
+						options: JsonStringOptions,
+						value: typeof field.key === 'string' ? field.key : field.key.value.value.toString(),
+						valueMap: [{ inner: core.Range.create(0), outer: core.Range.create(range.start) }],
+					}
+					const value = getDefault(simplifyType(field.type, ctx), range, ctx)
+					const pair: JsonPairNode = {
+						type: 'pair',
+						range,
+						key: key,
+						value: value,
+						children: [key, value],
+					}
+					key.parent = pair
+					value.parent = pair
+					object.children.push(pair)
+					pair.parent = object
+				}
+			}
+		}
+		return object
+	}
+	if (isListOrArray(type)) {
+		const array = JsonArrayNode.mock(range)
+		const minLength = type.lengthRange?.min ?? 0
+		if (minLength > 0) {
+			for (let i = 0; i < minLength; i += 1) {
+				const child = getDefault(simplifyType(getItemType(type), ctx), range, ctx)
+				const itemNode: core.ItemNode<JsonNode> = {
+					type: 'item',
+					range,
+					children: [child],
+					value: child,
+				}
+				child.parent = itemNode
+				array.children.push(itemNode)
+				itemNode.parent = array
+			}
+		}
+		return array
+	}
+	if (type.kind === 'tuple') {
+		return {
+			type: 'json:array',
+			range,
+			children: type.items.map(item => {
+				const valueNode = getDefault(simplifyType(item, ctx), range, ctx)
+				const itemNode: core.ItemNode<JsonNode> = {
+					type: 'item',
+					range,
+					children: [valueNode],
+					value: valueNode,
+				}
+				valueNode.parent = itemNode
+				return itemNode
+			}),
+		}
+	}
+	if (type.kind === 'union') {
+		if (type.members.length === 0) {
+			return { type: 'json:null', range }
+		}
+		return getDefault(type.members[0], range, ctx)
+	}
+	if (type.kind === 'enum') {
+		return getDefault({ kind: 'literal', value: { kind: type.enumKind ?? 'string', value: type.values[0].value } as any }, range, ctx)
+	}
+	if (type.kind === 'literal') {
+		if (type.value.kind === 'string') {
+			return { type: 'json:string', range, options: JsonStringOptions, value: type.value.value, valueMap: [{ inner: core.Range.create(0), outer: core.Range.create(range.start) }] }
+		}
+		if (type.value.kind === 'boolean') {
+			return { type: 'json:boolean', range, value: type.value.value }
+		}
+		const value: core.FloatNode | core.LongNode = type.value.kind === 'float' || type.value.kind === 'double'
+			? { type: 'float', range, value: type.value.value }
+			: { type: 'long', range, value: BigInt(type.value.value) }
+		return { type: 'json:number', range, value, children: [value] }
+	}
+	return { type: 'json:null', range }
+}
+
+export function getChange(type: SimplifiedMcdocTypeNoUnion, oldType: SimplifiedMcdocTypeNoUnion, oldNode: JsonNode, ctx: core.CheckerContext): JsonNode {
+	const node = getDefault(type, oldNode.range, ctx)
+	if (JsonArrayNode.is(node) && isListOrArray(type)) {
+		// From X to [X]
+		const newItemType = simplifyType(getItemType(type), ctx)
+		const possibleItemTypes = newItemType.kind === 'union' ? newItemType.members : [newItemType]
+		for (const possibleType of possibleItemTypes) {
+			if (quickEqualTypes(oldType, possibleType)) {
+				const newItem: core.ItemNode<JsonNode> = {
+					type: 'item',
+					range: node.range,
+					children: [oldNode],
+					value: oldNode,
+					parent: node,
+				}
+				oldNode.parent = newItem
+				node.children.splice(0, node.children.length, newItem)
+				return node
+			}
+		}
+	}
+	if (JsonArrayNode.is(oldNode) && isListOrArray(oldType)) {
+		// From [X] to X
+		const oldItemType = simplifyType(getItemType(oldType), ctx)
+		if (oldItemType.kind !== 'union' && quickEqualTypes(type, oldItemType)) {
+			const oldItem = oldNode.children[0]
+			if (oldItem?.value) {
+				return oldItem.value
+			}
+		}
+	}
+	if (JsonObjectNode.is(node) && type.kind === 'struct') {
+		// From X to {k: X}
+		for (const field of type.fields) {
+			const fieldKey = field.key
+			if (field.optional || fieldKey.kind !== 'literal') {
+				continue
+			}
+			const fieldType = simplifyType(field.type, ctx)
+			if (fieldType.kind !== 'union' && quickEqualTypes(fieldType, oldType)) {
+				const index = node.children.findIndex(pair => pair.key?.value === fieldKey.value.value.toString())
+				if (index !== -1) {
+					node.children.splice(index, 1)
+				}
+				const key: JsonStringNode = {
+					type: 'json:string',
+					range: node.range,
+					options: JsonStringOptions,
+					value: typeof field.key === 'string' ? field.key : fieldKey.value.value.toString(),
+					valueMap: [{ inner: core.Range.create(0), outer: core.Range.create(node.range.start) }],
+				}
+				const pair: JsonPairNode = {
+					type: 'pair',
+					range: node.range,
+					key,
+					value: oldNode,
+					children: [oldNode],
+				}
+				key.parent = pair
+				oldNode.parent = pair
+				node.children.push(pair)
+				pair.parent = node
+				return node
+			}
+		}
+	}
+	if (JsonObjectNode.is(oldNode) && oldType.kind === 'struct') {
+		// From {k: X} to X
+		for (const oldField of oldType.fields) {
+			const oldFieldKey = oldField.key
+			if (oldFieldKey.kind !== 'literal') {
+				continue
+			}
+			const oldFieldType = simplifyType(oldField.type, ctx)
+			if (oldFieldType.kind !== 'union' && quickEqualTypes(oldFieldType, type)) {
+				const oldPair = oldNode.children.find(pair => pair.key?.value === oldFieldKey.value.value.toString())
+				if (oldPair?.value) {
+					return oldPair.value
+				}
+			}
+		}
+	}
+	return node
+}
+
+export function isNumericType(type: McdocType): type is NumericType {
+	return type.kind === 'byte' || type.kind === 'short' || type.kind === 'int' || type.kind === 'long' || type.kind === 'float' || type.kind === 'double'
+}
+
+export function isListOrArray(type: McdocType): type is ListType | PrimitiveArrayType {
+	return type.kind === 'list' || type.kind === 'byte_array' || type.kind === 'int_array' || type.kind === 'long_array'
+}
+
+export function getItemType(type: ListType | PrimitiveArrayType): McdocType {
+	return type.kind === 'list' ? type.item
+		: type.kind === 'byte_array' ? { kind: 'byte' }
+			: type.kind === 'int_array' ? { kind: 'int' }
+				: type.kind === 'long_array' ? { kind: 'long' }
+					: { kind: 'any' }
+}
+
+export function isFixedList<T extends ListType | PrimitiveArrayType>(type: T): type is T & { lengthRange: NumericRange } {
+	return type.lengthRange?.min !== undefined && type.lengthRange.min === type.lengthRange.max
+}
+
+export function isInlineTuple(type: TupleType) {
+	return type.items.length <= 4 && type.items.every(isNumericType)
+}
+
+export function formatIdentifier(id: string, attributes?: Attributes): string {
+	if (id.startsWith('!')) {
+		return '! ' + formatIdentifier(id.substring(1), attributes)
+	}
+	const isStarred = attributes?.some(a => a.name === 'starred')
+	const text = id
+		.replace(/^minecraft:/, '')
+		.replaceAll('_', ' ')
+		.replace(/[a-z][A-Z]+/g, m => m.charAt(0) + ' ' + m.substring(1).toLowerCase())
+	return (isStarred ? '✨ ' : '') + text.charAt(0).toUpperCase() + text.substring(1)
+}
+
+export function getCategory(type: McdocType) {
+	if (type.kind === 'reference' && type.path) {
+		switch (type.path) {
+			case '::java::data::loot::LootPool':
+			case '::java::data::worldgen::dimension::Dimension':
+			case '::java::data::worldgen::surface_rule::SurfaceRule':
+			case '::java::data::worldgen::template_pool::WeightedElement':
+				return 'pool'
+			case '::java::data::loot::LootCondition':
+			case '::java::data::advancement::AdvancementCriterion':
+			case '::java::data::worldgen::dimension::biome_source::BiomeSource':
+			case '::java::data::worldgen::processor_list::ProcessorRule':
+			case '::java::data::worldgen::feature::placement::PlacementModifier':
+				return 'predicate'
+			case '::java::data::loot::LootFunction':
+			case '::java::data::worldgen::density_function::CubicSpline':
+			case '::java::data::worldgen::processor_list::Processor':
+				return 'function'
+		}
+	}
+	return undefined
+}
+
+const selectRegistries = new Set([
+	'block_predicate_type',
+	'chunk_status',
+	'consume_effect_type',
+	'creative_mode_tab',
+	'data_component_type',
+	'enchantment_effect_component_type',
+	'enchantment_entity_effect_type',
+	'enchantment_level_based_value_type',
+	'enchantment_location_based_effect_type',
+	'enchantment_provider_type',
+	'enchantment_value_effect_type',
+	'entity_sub_predicate_type',
+	'float_provider_type',
+	'frog_variant',
+	'height_provider_type',
+	'int_provider_type',
+	'item_sub_predicate_type',
+	'loot_condition_type',
+	'loot_function_type',
+	'loot_nbt_provider_type',
+	'loot_number_provider_type',
+	'loot_pool_entry_type',
+	'loot_score_provider_type',
+	'map_decoration_type',
+	'number_format_type',
+	'pos_rule_test',
+	'position_source_type',
+	'recipe_book_category',
+	'recipe_display',
+	'recipe_serializer',
+	'recipe_type',
+	'rule_block_entity_modifier',
+	'rule_test',
+	'slot_display',
+	'stat_type',
+	'trigger_type',
+	'worldgen/biome_source',
+	'worldgen/block_state_provider_type',
+	'worldgen/carver',
+	'worldgen/chunk_generator',
+	'worldgen/density_function_type',
+	'worldgen/feature',
+	'worldgen/feature_size_type',
+	'worldgen/foliage_placer_type',
+	'worldgen/material_condition',
+	'worldgen/material_rule',
+	'worldgen/placement_modifier_type',
+	'worldgen/pool_alias_binding',
+	'worldgen/root_placer_type',
+	'worldgen/structure_placement',
+	'worldgen/structure_pool_element',
+	'worldgen/structure_processor',
+	'worldgen/structure_type',
+	'worldgen/tree_decorator_type',
+	'worldgen/trunk_placer_type',
+])
+
+export function isSelectRegistry(registry: string) {
+	return selectRegistries.has(registry)
+}
+
+const defaultCollapsedTypes = new Set([
+	'::java::data::worldgen::surface_rule::SurfaceRule',
+])
+
+export function isDefaultCollapsedType(type: McdocType) {
+	if (type.kind === 'reference' && type.path) {
+		return defaultCollapsedTypes.has(type.path)
+	}
+	return false
+}
+
+interface SimplifyNodeContext {
+	key?: JsonStringNode
+	parent?: JsonObjectNode
+}
+export function simplifyType(type: McdocType, ctx: core.CheckerContext, { key, parent }: SimplifyNodeContext = {}): SimplifiedMcdocType {
+	const simplifyNode: SimplifyValueNode<JsonNode | undefined> = {
+		entryNode: {
+			parent: parent ? {
+				entryNode: {
+					parent: undefined,
+					runtimeKey: undefined,
+				},
+				node: {
+					originalNode: parent,
+					inferredType: inferType(parent),
+				},
+			} : undefined,
+			runtimeKey: key ? {
+				originalNode: key,
+				inferredType: inferType(key),
+			} : undefined,
+		},
+		node: {
+			originalNode: undefined,
+			inferredType: { kind: 'any' },
+		},
+	}
+	const context: McdocCheckerContext<JsonNode | undefined> = { 
+		...ctx,
+		allowMissingKeys: false,
+		requireCanonical: false,
+		isEquivalent: () => false,
+		getChildren: (node) => {
+			if (JsonObjectNode.is(node)) {
+				return node.children.filter(kvp => kvp.key).map(kvp => ({
+					key: { originalNode: kvp.key!, inferredType: inferType(kvp.key!) },
+					possibleValues: kvp.value
+						? [{ originalNode: kvp.value, inferredType: inferType(kvp.value) }]
+						: [],
+				}))
+			}
+			return []
+		},
+		reportError: () => {},
+		attachTypeInfo: () => {},
+		nodeAttacher:  () => {},
+		stringAttacher:  () => {},
+	}
+	const result = simplify(type, { node: simplifyNode, ctx: context })
+	return result.typeDef
+}
+
+function inferType(node: JsonNode): Exclude<McdocType, UnionType> {
+	switch (node.type) {
+		case 'json:boolean':
+			return { kind: 'literal', value: { kind: 'boolean', value: node.value! } }
+		case 'json:number':
+			return {
+				kind: 'literal',
+				value: { kind: node.value.type, value: Number(node.value.value) },
+			}
+		case 'json:null':
+			return { kind: 'any' } // null is always invalid?
+		case 'json:string':
+			return { kind: 'literal', value: { kind: 'string', value: node.value } }
+		case 'json:array':
+			return { kind: 'list', item: { kind: 'any' } }
+		case 'json:object':
+			return { kind: 'struct', fields: [] }
+	}
+}
+
+export function quickEqualTypes(a: SimplifiedMcdocTypeNoUnion, b: SimplifiedMcdocTypeNoUnion): boolean {
+	if (a === b) {
+		return true
+	}
+	if (a.kind !== b.kind) {
+		return false
+	}
+	if (a.kind === 'literal' && b.kind === 'literal') {
+		return a.value.kind === b.value.kind && a.value.value === b.value.value
+	}
+	if (a.kind === 'struct' && b.kind === 'struct') {
+		// Compare the first key of both structs
+		const keyA = a.fields[0]?.key
+		const keyB = b.fields[0]?.key
+		return (!keyA && !keyB) || (keyA && keyB && quickEqualTypes(keyA, keyB))
+	}
+	// Types are of the same kind	
+	return true
+}
diff --git a/src/app/components/generator/McdocRenderer.tsx b/src/app/components/generator/McdocRenderer.tsx
new file mode 100644
index 00000000..344c815e
--- /dev/null
+++ b/src/app/components/generator/McdocRenderer.tsx
@@ -0,0 +1,1232 @@
+import * as core from '@spyglassmc/core'
+import type { JsonPairNode } from '@spyglassmc/json'
+import * as json from '@spyglassmc/json'
+import { JsonArrayNode, JsonBooleanNode, JsonNode, JsonNumberNode, JsonObjectNode, JsonStringNode } from '@spyglassmc/json'
+import { localeQuote } from '@spyglassmc/locales'
+import type { ListType, LiteralType, McdocType, NumericType, PrimitiveArrayType, StringType, TupleType, UnionType } from '@spyglassmc/mcdoc'
+import { handleAttributes } from '@spyglassmc/mcdoc/lib/runtime/attribute/index.js'
+import type { SimplifiedEnum, SimplifiedMcdocType, SimplifiedMcdocTypeNoUnion, SimplifiedStructType, SimplifiedStructTypePairField } from '@spyglassmc/mcdoc/lib/runtime/checker/index.js'
+import { getValues } from '@spyglassmc/mcdoc/lib/runtime/completer/index.js'
+import { Identifier, ItemStack } from 'deepslate'
+import { marked } from 'marked'
+import { useCallback, useMemo, useState } from 'preact/hooks'
+import config from '../../Config.js'
+import { useLocale } from '../../contexts/Locale.jsx'
+import { useFocus } from '../../hooks/useFocus.js'
+import { generateColor, hexId, randomInt, randomSeed } from '../../Utils.js'
+import { Btn } from '../Btn.jsx'
+import { ItemDisplay } from '../ItemDisplay.jsx'
+import { Octicon } from '../Octicon.jsx'
+import { formatIdentifier, getCategory, getChange, getDefault, getItemType, isDefaultCollapsedType, isFixedList, isInlineTuple, isListOrArray, isNumericType, isSelectRegistry, quickEqualTypes, simplifyType } from './McdocHelpers.js'
+
+export interface McdocContext extends core.CheckerContext {
+	makeEdit: MakeEdit
+}
+
+type MakeEdit = (edit: (range: core.Range) => JsonNode | undefined) => void
+
+interface Props<Type extends SimplifiedMcdocType = SimplifiedMcdocType> {
+	type: Type
+	optional?: boolean
+	excludeStrings?: string[]
+	node: JsonNode | undefined
+	ctx: McdocContext
+}
+export function McdocRoot({ type, node, ctx } : Props) {
+	const { locale } = useLocale()
+
+	if (type.kind === 'struct' && type.fields.length > 0 && JsonObjectNode.is(node)) {
+		return <StructBody type={type} node={node} ctx={ctx} />
+	}
+
+	return <>
+		<div class="node-header">
+			<Errors type={type} node={node} ctx={ctx} />
+			<Key label={locale('root')} />
+			<Head type={type} node={node} ctx={ctx} />
+		</div>
+		<Body type={type} node={node} ctx={ctx} />
+	</>
+}
+
+function Head({ type, optional, excludeStrings, node, ctx }: Props) {
+	if (type.kind === 'string') {
+		return <StringHead type={type} optional={optional} excludeStrings={excludeStrings} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'enum') {
+		return <EnumHead type={type} optional={optional} excludeStrings={excludeStrings} node={node} ctx={ctx} />
+	}
+	if (isNumericType(type)) {
+		return <NumericHead type={type} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'boolean') {
+		return <BooleanHead type={type} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'union') {
+		return <UnionHead type={type} optional={optional} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'struct') {
+		return <StructHead type={type} optional={optional} node={node} ctx={ctx} />
+	}
+	if (isListOrArray(type)) {
+		if (isFixedList(type)) {
+			return <TupleHead type={{ kind: 'tuple', items: [...Array(type.lengthRange.min)].map(() => getItemType(type)), attributes: type.attributes }} optional={optional} node={node} ctx={ctx} />
+		}
+		return <ListHead type={type} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'tuple') {
+		return <TupleHead type={type} optional={optional} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'literal') {
+		return <LiteralHead type={type} optional={optional} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'any' || type.kind === 'unsafe') {
+		return <AnyHead type={type} node={node} ctx={ctx} />
+	}
+	return <></>
+}
+
+function Body({ type, optional, node, ctx }: Props<SimplifiedMcdocType>) {
+	if (type.kind === 'union') {
+		return <UnionBody type={type} optional={optional} node={node} ctx={ctx} />
+	}
+	if (type.kind === 'struct') {
+		if (!JsonObjectNode.is(node) || type.fields.length === 0) {
+			return <></>
+		}
+		return <div class="node-body">
+			<StructBody type={type} node={node} ctx={ctx} />
+		</div>
+	}
+	if (isListOrArray(type)) {
+		if (!JsonArrayNode.is(node)) {
+			return <></>
+		}
+		if (isFixedList(type)) {
+			const tupleType: TupleType = { kind: 'tuple', items: [...Array(type.lengthRange.min)].map(() => getItemType(type)), attributes: type.attributes }
+			if (isInlineTuple(tupleType)) {
+				return <></>
+			}
+			return <div class="node-body">
+				<TupleBody type={tupleType} node={node} ctx={ctx} />
+			</div>
+		}
+		if (node.children?.length === 0) {
+			return <></>
+		}
+		return <div class="node-body">
+			<ListBody type={type} node={node} ctx={ctx} />
+		</div>
+	}
+	if (type.kind === 'tuple') {
+		if (isInlineTuple(type)) {
+			return <></>
+		}
+		return <div class="node-body">
+			<TupleBody type={type} node={node} ctx={ctx} />
+		</div>
+	}
+	if (type.kind === 'any' || type.kind === 'unsafe') {
+		return <AnyBody type={type} optional={optional} node={node} ctx={ctx} />
+	}
+	return <></>
+}
+
+const SPECIAL_UNSET = '__unset__'
+
+function StringHead({ type, optional, excludeStrings, node, ctx }: Props<StringType>) {
+	const { locale } = useLocale()
+
+	const value = (JsonStringNode.is(node) ? node.value : undefined)?.replaceAll('\n', '\\n')
+
+	const idAttribute = type.attributes?.find(a => a.name === 'id')?.value
+	const idRegistry = idAttribute?.kind === 'literal' && idAttribute.value.kind === 'string'
+		? idAttribute.value.value
+		: idAttribute?.kind === 'tree' && idAttribute.values.registry?.kind === 'literal' && idAttribute.values.registry.value.kind === 'string'
+			? idAttribute.values.registry.value.value
+			: undefined
+	const idTags = idAttribute?.kind === 'tree' && idAttribute.values.tags?.kind === 'literal' && idAttribute.values.tags.value.kind === 'string'
+		? idAttribute.values.tags.value.value
+		: undefined
+	const isSelect = idRegistry && isSelectRegistry(idRegistry)
+
+	const onChangeValue = useCallback((newValue: string) => {
+		newValue = newValue.replaceAll('\\n', '\n')
+		if (value === newValue) {
+			return
+		}
+		ctx.makeEdit((range) => {
+			if ((newValue.length === 0 && optional) || (isSelect && newValue === SPECIAL_UNSET)) {
+				return undefined
+			}
+			const valueMap = [{ inner: core.Range.create(0), outer: core.Range.create(range.start) }]
+			const source = new core.Source(JSON.stringify(newValue), valueMap)
+			const string = core.string(json.parser.JsonStringOptions)(source, ctx)
+			return {
+				...string,
+				type: 'json:string',
+			}
+		})
+	}, [optional, node, ctx, isSelect])
+
+	const completions = useMemo(() => {
+		return getValues(type, { ...ctx, offset: node?.range.start ?? 0 })
+			.filter(c => c.kind === 'string' && c.value !== 'THIS')
+			.filter(c => !excludeStrings?.includes(c.value))
+	}, [type, excludeStrings, node, ctx])
+
+	const datalistId = `mcdoc_completions_${hexId()}`
+
+	const gen = idRegistry ? config.generators.find(gen => gen.id === idRegistry) : undefined
+
+	const color = type.attributes?.find(a => a.name === 'color')?.value
+	const colorKind = color?.kind === 'literal' && color.value.kind === 'string' ? color.value.value : undefined
+
+	const onRandomColor = useCallback(() => {
+		const color = generateColor()
+		onChangeValue('#' + (color.toString(16).padStart(6, '0') ?? '000000'))
+	}, [onChangeValue])
+
+	return <>
+		{((idRegistry === 'item' || idRegistry === 'block') && idTags !== 'implicit' && value && !value.startsWith('#')) && <label>
+			<ItemDisplay item={new ItemStack(Identifier.parse(value), 1)} />	
+		</label>}
+		{isSelect ? <>
+			<select value={value === undefined ? SPECIAL_UNSET : value} onInput={(e) => onChangeValue((e.target as HTMLInputElement).value)}>
+				{(value === undefined || optional) && <option value={SPECIAL_UNSET}>{locale('unset')}</option>}
+				{(value !== undefined && !completions.map(c => c.value).includes(value)) && <option value={value}>{value}</option>}
+				{completions.map(c => <option value={c.value}>{formatIdentifier(c.value)}</option>)}
+			</select>
+		</> : <>
+			{completions.length > 0 && <datalist id={datalistId}>
+				{completions.map(c => <option>{c.value}</option>)}
+			</datalist>}
+			<input class={colorKind === 'hex_rgb' ? 'short-input' : idRegistry ? 'long-input' : ''} value={value ?? ''} onInput={(e) => onChangeValue((e.target as HTMLInputElement).value)} list={completions.length > 0 ? datalistId : undefined} />
+			{value && gen && <a href={`/${gen.url}/?preset=${value?.replace(/^minecraft:/, '')}`} class="tooltipped tip-se" aria-label={locale('follow_reference')}>
+				{Octicon.link_external}
+			</a>}
+		</>}
+		{colorKind === 'hex_rgb' && <>
+			<input class="short-input" type="color" value={value} onChange={(e) => onChangeValue((e.target as HTMLInputElement).value)} />
+			<button class="tooltipped tip-se" aria-label={locale('generate_new_color')} onClick={onRandomColor}>{Octicon.sync}</button>
+		</>}
+	</>
+}
+
+function EnumHead({ type, optional, excludeStrings, node, ctx }: Props<SimplifiedEnum>) {
+	const { locale } = useLocale()
+
+	const value = JsonStringNode.is(node) ? node.value : (node && JsonNumberNode.is(node)) ? Number(node.value.value) : undefined
+
+	const onChangeValue = useCallback((newValue: string) => {
+		if (value === newValue) {
+			return
+		}
+		ctx.makeEdit((range) => {
+			if (newValue === SPECIAL_UNSET) {
+				return undefined
+			}
+			if (type.enumKind === 'string') {
+				return {
+					type: 'json:string',
+					range,
+					options: json.parser.JsonStringOptions,
+					value: newValue,
+					valueMap: [{ inner: core.Range.create(0), outer: core.Range.create(range.start) }],
+				}
+			}
+			const number: core.FloatNode = {
+				type: 'float',
+				range,
+				value: parseFloat(newValue),
+			}
+			const result: JsonNumberNode = {
+				type: 'json:number',
+				range,
+				children: [number],
+				value: number,
+			}
+			number.parent = result
+			return result
+		})
+	}, [type.enumKind, value, ctx])
+
+	return <select value={value === undefined ? SPECIAL_UNSET : value} onInput={(e) => onChangeValue((e.target as HTMLSelectElement).value)}>
+		{(value === undefined || optional) && <option value={SPECIAL_UNSET}>{locale('unset')}</option>}
+		{(value !== undefined && !type.values.map(v => v.value).includes(value)) && <option value={value}>{value}</option>}
+		{type.values.filter(v => !excludeStrings?.includes(v.value.toString())).map(value =>
+			<option value={value.value}>{formatIdentifier(value.identifier, value.attributes)}</option>
+		)}
+	</select>
+}
+
+function NumericHead({ type, node, ctx }: Props<NumericType>) {
+	const { locale } = useLocale()
+
+	const value = node && JsonNumberNode.is(node) ? Number(node.value.value) : undefined
+	const isFloat = type.kind === 'float' || type.kind === 'double'
+
+	const onChangeValue = useCallback((value: string | bigint | number) => {
+		const number = typeof value === 'string'
+			? (value.length === 0 ? undefined : Number(value))
+			: value
+		if (number !== undefined && Number.isNaN(number)) {
+			return
+		}
+		ctx.makeEdit((range) => {
+			if (number === undefined) {
+				return undefined
+			}
+			const newValue: core.FloatNode | core.LongNode = isFloat
+				? { type: 'float', range, value: Number(number) }
+				: { type: 'long', range, value: BigInt(number) }
+			const newNode: JsonNumberNode = {
+				type: 'json:number',
+				range,
+				value: newValue,
+				children: [newValue],
+			}
+			newValue.parent = newNode
+			return newNode
+		})
+	}, [isFloat, node, ctx])
+
+	const color = type.attributes?.find(a => a.name === 'color')?.value
+	const colorKind = color?.kind === 'literal' && color.value.kind === 'string' ? color.value.value : undefined
+
+	const onChangeColor = useCallback((value: string) => {
+		onChangeValue(parseInt(value.slice(1), 16).toString())
+	}, [onChangeValue])
+
+	const onRandomColor = useCallback(() => {
+		onChangeValue(generateColor().toString())
+	}, [onChangeValue])
+
+	const random = type.attributes?.find(a => a.name === 'random')
+
+	const onRandom = useCallback(() => {
+		onChangeValue(type.kind === 'long' ? randomSeed() : randomInt())
+	}, [type, onChangeValue])
+
+	return <>
+		<input class="short-input" type="number" value={value} onInput={(e) => onChangeValue((e.target as HTMLInputElement).value)} />
+		{colorKind && <>
+			<input class="short-input" type="color" value={'#' + (value?.toString(16).padStart(6, '0') ?? '000000')} onChange={(e) => onChangeColor((e.target as HTMLInputElement).value)} />
+			<button class="tooltipped tip-se" aria-label={locale('generate_new_color')} onClick={onRandomColor}>{Octicon.sync}</button>
+		</>}
+		{random && <>
+			<button class="tooltipped tip-se" aria-label={locale('generate_new_seed')} onClick={onRandom}>{Octicon.sync}</button>
+		</>}
+	</>
+}
+
+function BooleanHead({ node, ctx }: Props) {
+	const value = node && JsonBooleanNode.is(node) ? node.value : undefined
+
+	const onSelect = useCallback((newValue: boolean) => {
+		ctx.makeEdit((range) => {
+			if (value === newValue) {
+				return undefined
+			}
+			return {
+				type: 'json:boolean',
+				range,
+				value: newValue,
+			}
+		})
+	}, [node, ctx, value]) 
+
+	return <>
+		<button class={value === false ? 'selected' : ''} onClick={() => onSelect(false)}>False</button>
+		<button class={value === true ? 'selected' : ''} onClick={() => onSelect(true)}>True</button>
+	</>
+}
+
+function UnionHead({ type, optional, node, ctx }: Props<UnionType<SimplifiedMcdocTypeNoUnion>>) {
+	const { locale } = useLocale()
+
+	if (type.members.length === 0) {
+		return <></>
+	}
+
+	const selectedType = selectUnionMember(type, node)
+
+	const onSelect = useCallback((newValue: string) => {
+		ctx.makeEdit((range) => {
+			if (newValue === SPECIAL_UNSET) {
+				return undefined
+			}
+			const newSelected = type.members[parseInt(newValue)]
+			if (node && selectedType) {
+				return getChange(newSelected, selectedType, node, ctx)
+			}
+			return getDefault(newSelected, range, ctx)
+		})
+	}, [type, node, ctx, selectedType])
+
+	const memberIndex = selectedType ? type.members.findIndex(m => quickEqualTypes(m, selectedType)) : -1
+
+	return <>
+		<select value={memberIndex > -1 ? memberIndex : SPECIAL_UNSET} onInput={(e) => onSelect((e.target as HTMLSelectElement).value)}>
+			{(selectedType === undefined || optional) && <option value={SPECIAL_UNSET}>{locale('unset')}</option>}
+			{type.members.map((member, index) =>
+				<option value={index}>{formatUnionMember(member, type.members.filter(m => m !== member))}</option>
+			)}
+		</select>
+		{selectedType && selectedType.kind !== 'literal' && <Head type={selectedType} node={node} ctx={ctx} />}
+	</>
+}
+
+function formatUnionMember(type: SimplifiedMcdocTypeNoUnion, others: SimplifiedMcdocTypeNoUnion[]): string {
+	if (type.kind === 'literal') {
+		return formatIdentifier(type.value.value.toString())
+	}
+	if (!others.some(o => o.kind === type.kind)) {
+		// No other member is of this kind
+		return formatIdentifier(type.kind === 'struct' ? 'object' : type.kind)
+	}
+	if (type.kind === 'struct') {
+		// Show the first literal key
+		const firstKey = type.fields.find(f => f.key.kind === 'literal')?.key
+		if (firstKey) {
+			return formatUnionMember(firstKey, [])
+		}
+	}
+	return formatIdentifier(type.kind === 'struct' ? 'object' : type.kind)
+}
+
+function UnionBody({ type, optional, node, ctx }: Props<UnionType<SimplifiedMcdocTypeNoUnion>>) {
+	const selectedType = selectUnionMember(type, node)
+	if (selectedType === undefined) {
+		return <></>
+	}
+	return <Body type={selectedType} optional={optional} node={node} ctx={ctx} />
+}
+
+function selectUnionMember(union: UnionType<SimplifiedMcdocTypeNoUnion>, node: JsonNode | undefined) {
+	const selectedType = node?.typeDef
+	if (!selectedType || selectedType.kind === 'any' || selectedType.kind === 'unsafe') {
+		return undefined
+	}
+	if (selectedType.kind === 'union') {
+		// Find the first selected type that is also part of the original definition.
+		// The node technically matches all members of this union,
+		// ideally the editor should show a combination of all members
+		return selectedType.members.find(m1 => union.members.find(m2 => quickEqualTypes(m1, m2)))
+	}
+	return selectedType
+}
+
+function StructHead({ type: outerType, optional, node, ctx }: Props<SimplifiedStructType>) {
+	const { locale } = useLocale()
+	const type = node?.typeDef?.kind === 'struct' ? node.typeDef : outerType
+
+	const onRemove = useCallback(() => {
+		ctx.makeEdit(() => {
+			return undefined
+		})
+	}, [ctx])
+
+	const onSetDefault = useCallback(() => {
+		ctx.makeEdit((range) => {
+			return getDefault(type, range, ctx)
+		})
+	}, [type, ctx])
+
+	return <>
+		{optional
+			? (JsonObjectNode.is(node)
+				? <button class="remove tooltipped tip-se" aria-label={locale('remove')} onClick={onRemove}>
+					{Octicon.trashcan}
+				</button>
+				: <button class="add tooltipped tip-se" aria-label={locale('expand')} onClick={onSetDefault}>
+					{Octicon.plus_circle}
+				</button>)
+			: (!JsonObjectNode.is(node)
+				? <button class="add tooltipped tip-se" aria-label={locale('reset')} onClick={onSetDefault}>
+					{Octicon.history}
+				</button>
+				: <></>
+			)}
+	</>
+}
+
+function StructBody({ type: outerType, node, ctx }: Props<SimplifiedStructType>) {
+	if (!JsonObjectNode.is(node)) {
+		return <></>
+	}
+
+	const { expand, collapse, isToggled } = useToggles()
+
+	const type = node.typeDef?.kind === 'struct' ? node.typeDef : outerType
+	// For some reason spyglass can include fields that haven't been filtered out in node.typeDef
+	const fields = type.fields.filter(field => {
+		let keep = true
+		handleAttributes(field.attributes, ctx, (handler, config) => {
+			if (!keep || !handler.filterElement) {
+				return
+			}
+			if (!handler.filterElement(config, ctx)) {
+				keep = false
+			}
+		})
+		return keep
+	})
+	const staticFields = fields.filter(field => field.key.kind === 'literal')
+	const dynamicFields = fields.filter(field => field.key.kind !== 'literal')
+	const staticChilds: core.PairNode<JsonStringNode, JsonNode>[] = []
+	return <>
+		{staticFields.map(field => {
+			const key = (field.key as LiteralType).value.value.toString()
+			const index = node.children.findIndex(p => p.key?.value === key)
+			const pair = index === -1 ? undefined : node.children[index]
+			if (pair) {
+				staticChilds.push(pair)
+			}
+			return <StaticField key={key} pair={pair} index={index} field={field} fieldKey={key} staticFields={staticFields} isToggled={isToggled(key)} expand={expand(key)} collapse={collapse(key)} type={type} node={node} ctx={ctx} />
+		})}
+		{dynamicFields.map((field, index) => {
+			if (field.key.kind === 'any' && field.type.kind === 'any') {
+				// Hide dispatch fallback
+				return <></>
+			}
+			const keyType = simplifyType(field.key, ctx)
+			return <div key={`__dynamic_${index}__`} class="node">
+				<div class="node-header">
+					<DynamicKey keyType={keyType} valueType={field.type} parent={node} ctx={ctx} />
+				</div>
+			</div>
+		})}
+		{node.children.map((pair, index) => {
+			const key = pair.key?.value
+			if (staticChilds.includes(pair) || !key) {
+				return <></>
+			}
+			if (pair.value && core.Range.length(pair.value.range) === 0) {
+				return <></>
+			}
+			// TODO: correctly determine which dynamic field this is a key for
+			// Hack to support component negations, the only place with more than one dynamic field currently
+			const field = dynamicFields[key.startsWith('!') ? 1 : 0] as SimplifiedStructTypePairField | undefined
+			if (!field || (field.key.kind === 'any' && field.type.kind === 'any')) {
+				return <UnknownField key={key} pair={pair} index={index} fieldKey={key} type={type} node={node} ctx={ctx} />
+			}
+			return <DynamicField key={key} pair={pair} index={index} field={field} fieldKey={key} isToggled={isToggled(key)} expand={expand(key)} collapse={collapse(key)}type={type} node={node} ctx={ctx} />
+		})}
+	</>
+}
+
+interface StaticFieldProps extends Props {
+	pair: JsonPairNode | undefined
+	index: number
+	field: SimplifiedStructTypePairField
+	fieldKey: string
+	staticFields: SimplifiedStructTypePairField[]
+	isToggled: boolean | undefined
+	expand: (e: MouseEvent) => void
+	collapse: (e: MouseEvent) => void
+	node: JsonObjectNode
+}
+function StaticField({ pair, index, field, fieldKey, staticFields, isToggled, expand, collapse, node, ctx }: StaticFieldProps) {
+	const { locale } = useLocale()
+
+	const child = pair?.value
+	const childType = simplifyType(field.type, ctx, { key: pair?.key, parent: node })
+	const canToggle = isDefaultCollapsedType(field.type)
+	const isCollapsed = canToggle && isToggled !== true
+
+	const makeFieldEdit = useCallback<MakeEdit>((edit) => {
+		if (pair) {
+			ctx.makeEdit(() => {
+				const newChild = edit(child?.range ?? core.Range.create(pair.range.end))
+				if (newChild === undefined) {
+					node.children.splice(index, 1)
+				} else {
+					node.children[index] = {
+						type: 'pair',
+						range: pair.range,
+						key: pair.key,
+						value: newChild,
+					}
+				}
+				return node
+			})
+		} else {
+			const newFieldIndex = staticFields.indexOf(field)
+			const insertIndex = node.children.findIndex(child => {
+				const childKey = child.key?.value
+				if (!childKey) {
+					return false
+				}
+				const otherChildIndex = staticFields.findIndex(f => (f.key as LiteralType).value.value.toString() === childKey)
+				return otherChildIndex > newFieldIndex
+			})
+			const newChild = edit(core.Range.create(node.range.end))
+			if (newChild) {
+				ctx.makeEdit(() => {
+					const newPair: JsonPairNode = {
+						type: 'pair',
+						range: newChild.range,
+						key: {
+							type: 'json:string',
+							range: newChild.range,
+							options: json.parser.JsonStringOptions,
+							value: fieldKey,
+							valueMap: [{ inner: core.Range.create(0), outer: newChild.range }],
+						},
+						value: newChild,
+					}
+					if (insertIndex === -1) {
+						node.children.push(newPair)
+					} else {
+						node.children.splice(insertIndex, 0, newPair)
+					}
+					newPair.parent = node
+					return node
+				})
+			}
+		}
+	}, [pair, index, node, ctx])
+
+	const fieldCtx = useMemo(() => {
+		return { ...ctx, makeEdit: makeFieldEdit }
+	}, [ctx, makeFieldEdit])
+
+	return <div class="node" data-category={getCategory(field.type)}>
+		<div class="node-header">
+			{!field.optional && child === undefined && <ErrorIndicator error={{ message: locale('missing_key', localeQuote(fieldKey)), range: node.range, severity: 3 }} />}
+			<Errors type={childType} node={child} ctx={ctx} />
+			{canToggle && (isCollapsed
+				? <button class="toggle tooltipped tip-se" aria-label={`${locale('expand')}\n${locale('expand_all', 'Ctrl')}`} onClick={expand}>{Octicon.chevron_right}</button>
+				: <button class="toggle tooltipped tip-se" aria-label={`${locale('collapse')}\n${locale('collapse_all', 'Ctrl')}`} onClick={collapse}>{Octicon.chevron_down}</button>
+			)}
+			<Key label={fieldKey} doc={field.desc} />
+			{!isCollapsed && <Head type={childType} node={child} optional={field.optional} ctx={fieldCtx} />}
+		</div>
+		{!isCollapsed && <Body type={childType} node={child} optional={field.optional} ctx={fieldCtx} />}
+	</div>
+}
+
+interface DynamicKeyProps {
+	keyType: SimplifiedMcdocType
+	valueType: McdocType
+	parent: JsonObjectNode
+	ctx: McdocContext
+}
+function DynamicKey({ keyType, valueType, parent, ctx }: DynamicKeyProps) {
+	const { locale } = useLocale()
+	const [key, setKey] = useState<string>()
+
+	const keyNode = useMemo(() => {
+		if (key === undefined) return undefined
+		const node = JsonStringNode.mock(core.Range.create(0))
+		node.value = key
+		return node
+	}, [key])
+
+	const makeKeyEdit = useCallback<MakeEdit>((edit) => {
+		const newKeyNode = edit(core.Range.create(0))
+		if (JsonStringNode.is(newKeyNode)) {
+			setKey(newKeyNode.value)
+		}
+	}, [])
+
+	const keyCtx = useMemo(() => {
+		return { ...ctx, makeEdit: makeKeyEdit }
+	}, [ctx, makeKeyEdit])
+
+	const addKey = useCallback(() => {
+		if (!keyNode) {
+			return
+		}
+		setKey(undefined)
+		ctx.makeEdit((range) => {
+			const valueNode = getDefault(simplifyType(valueType, ctx, { key: keyNode, parent }), range, ctx)
+			const newPair: core.PairNode<JsonStringNode, JsonNode> = {
+				type: 'pair',
+				range: keyNode.range,
+				key: keyNode,
+				value: valueNode,
+			}
+			valueNode.parent = newPair
+			parent.children.push(newPair)
+			newPair.parent = parent
+			return parent
+		})
+	}, [keyNode, ctx])
+
+	const excludeStrings = useMemo(() => {
+		return parent.children.flatMap(pair => pair.key ? [pair.key.value] : [])
+	}, [parent])
+
+	return <>
+		<Head type={keyType} optional={true} excludeStrings={excludeStrings} node={keyNode} ctx={keyCtx} />
+		<button class="add tooltipped tip-se" aria-label={locale('add_key')} onClick={addKey} disabled={!key || key.length === 0}>{Octicon.plus_circle}</button>
+	</>
+}
+
+interface DynamicFieldProps extends Props {
+	pair: JsonPairNode
+	index: number
+	field: SimplifiedStructTypePairField
+	fieldKey: string
+	isToggled: boolean | undefined
+	expand: (e: MouseEvent) => void
+	collapse: (e: MouseEvent) => void
+	node: JsonObjectNode
+}
+function DynamicField({ pair, index, field, fieldKey, isToggled, expand, collapse, node, ctx }: DynamicFieldProps) {
+	const { locale } = useLocale()
+
+	const child = pair.value
+	const canToggle = JsonObjectNode.is(child) || JsonArrayNode.is(child)
+	const isCollapsed = canToggle && (isToggled === false || (isToggled === undefined && (node.children.length - node.children.length) > 20))
+	const childType = simplifyType(field.type, ctx, { key: pair.key, parent: node })
+	const category = getCategory(field.type)
+	
+	const makeFieldEdit = useCallback<MakeEdit>((edit) => {
+		ctx.makeEdit(() => {
+			const newChild = edit(child?.range ?? core.Range.create(pair.range.end))
+			if (newChild === undefined) {
+				node.children.splice(index, 1)
+			} else {
+				node.children[index] = {
+					type: 'pair',
+					range: pair.range,
+					key: pair.key,
+					value: newChild,
+				}
+			}
+			return node
+		})
+	}, [pair, index, node, ctx])
+
+	const fieldCtx = useMemo(() => {
+		return { ...ctx, makeEdit: makeFieldEdit }
+	}, [ctx, makeFieldEdit])
+	
+	return <div class="node" data-category={category}>
+		<div class="node-header">
+			<Errors type={childType} node={child} ctx={ctx} />
+			{canToggle && (isCollapsed
+				? <button class="toggle tooltipped tip-se" aria-label={`${locale('expand')}\n${locale('expand_all', 'Ctrl')}`} onClick={expand}>{Octicon.chevron_right}</button>
+				: <button class="toggle tooltipped tip-se" aria-label={`${locale('collapse')}\n${locale('collapse_all', 'Ctrl')}`} onClick={collapse}>{Octicon.chevron_down}</button>
+			)}
+			<button class="remove tooltipped tip-se" aria-label={locale('remove')} onClick={() => makeFieldEdit(() => undefined)}>
+				{Octicon.trashcan}
+			</button>
+			<Key label={fieldKey} raw={field.key.kind === 'string'} />
+			{!isCollapsed && <Head type={childType} node={child} ctx={fieldCtx} />}
+		</div>
+		{!isCollapsed && (childType.kind === 'struct' && category
+			? <div class="node-body-flat">
+				<StructBody type={childType} node={child} ctx={fieldCtx} />
+			</div>
+			: <Body type={childType} node={child} ctx={fieldCtx} />)}
+	</div>
+}
+
+interface UnknownFieldProps extends Props {
+	pair: JsonPairNode
+	index: number
+	fieldKey: string
+	node: JsonObjectNode
+}
+function UnknownField({ pair, index, fieldKey, node, ctx }: UnknownFieldProps) {
+	const { locale } = useLocale()
+
+	const removeField = useCallback(() => {
+		ctx.makeEdit(() => {
+			node.children.splice(index, 1)
+			return node
+		})
+	}, [index, node, ctx])
+
+	return <div class="node">
+		<div class="node-header">
+			<Errors type={{ kind: 'any' }} node={pair} ctx={ctx} />
+			<button class="remove tooltipped tip-se" aria-label={locale('remove')} onClick={removeField}>
+				{Octicon.trashcan}
+			</button>
+			<Key label={fieldKey} />
+		</div>
+	</div>
+}
+
+function ListHead({ type, node, ctx }: Props<ListType | PrimitiveArrayType>) {
+	const { locale } = useLocale()
+
+	const canAdd = (type.lengthRange?.max ?? Infinity) > (node?.children?.length ?? 0)
+
+	const onAddTop = useCallback(() => {
+		if (canAdd) {
+			ctx.makeEdit((range) => {
+				const itemType = simplifyType(getItemType(type), ctx)
+				const newValue = getDefault(itemType, range, ctx)
+				const newItem: core.ItemNode<JsonNode> = {
+					type: 'item',
+					range,
+					children: [newValue],
+					value: newValue,
+				}
+				newValue.parent = newItem
+				if (JsonArrayNode.is(node)) {
+					node.children.unshift(newItem)
+					newItem.parent = node
+					return node
+				}
+				const newArray: JsonArrayNode = {
+					type: 'json:array',
+					range,
+					children: [newItem],
+				}
+				newItem.parent = newArray
+				return newArray
+			})
+		}
+	}, [type, node, ctx, canAdd])
+
+	return <button class="add tooltipped tip-se" aria-label={locale('add_top')} onClick={() => onAddTop()} disabled={!canAdd}>
+		{Octicon.plus_circle}
+	</button>
+}
+
+function ListBody({ type: outerType, node, ctx }: Props<ListType | PrimitiveArrayType>) {
+	if (!JsonArrayNode.is(node)) {
+		return <></>
+	}
+
+	const { locale } = useLocale()
+	const { expand, collapse, isToggled } = useToggles()
+	const [maxShown, setMaxShown] = useState(50)
+
+	const type = node.typeDef && isListOrArray(node.typeDef) ? node.typeDef : outerType
+	const itemType = getItemType(type)
+	const category = getCategory(itemType)
+	const childType = simplifyType(itemType, ctx)
+	const canAdd = (type.lengthRange?.max ?? Infinity) > (node?.children?.length ?? 0)
+
+	const onAddBottom = useCallback(() => {
+		if (canAdd) {
+			ctx.makeEdit((range) => {
+				const itemType = simplifyType(getItemType(type), ctx)
+				const newValue = getDefault(itemType, range, ctx)
+				const newItem: core.ItemNode<JsonNode> = {
+					type: 'item',
+					range,
+					children: [newValue],
+					value: newValue,
+				}
+				newValue.parent = newItem
+				if (JsonArrayNode.is(node)) {
+					node.children.push(newItem)
+					newItem.parent = node
+					return node
+				}
+				const newArray: JsonArrayNode = {
+					type: 'json:array',
+					range,
+					children: [newItem],
+				}
+				newItem.parent = newArray
+				return newArray
+			})
+		}
+	}, [type, node, ctx, canAdd])
+
+	return <>
+		{node.children.map((item, index) => {
+			if (index === maxShown) {
+				return <div class="node-header">
+					<label>{locale('entries_hidden', `${node.children.length - maxShown}`)}</label>
+					<button onClick={() => setMaxShown(Math.min(maxShown + 50, node.children.length))}>{locale('entries_hidden.more', '50')}</button>
+					<button onClick={() => setMaxShown(node.children.length)}>{locale('entries_hidden.all')}</button>
+				</div>
+			}
+			if (index > maxShown) {
+				return <></>
+			}
+			const key = index.toString()
+			return <ListItem key={key} item={item} index={index} category={category} type={childType} isToggled={isToggled(key)} expand={expand(key)} collapse={collapse(key)} node={node} ctx={ctx} />
+		})}
+		{node.children.length > 0 && <div class="node-header">
+			<button class="add tooltipped tip-se" aria-label={locale('add_bottom')} onClick={() => onAddBottom()} disabled={!canAdd}>
+				{Octicon.plus_circle}
+			</button>
+		</div>}
+	</>
+}
+
+interface ListItemProps extends Props {
+	item: core.ItemNode<JsonNode>
+	index: number
+	category: string | undefined
+	isToggled: boolean | undefined
+	expand: (e: MouseEvent) => void
+	collapse: (e: MouseEvent) => void
+	node: JsonArrayNode
+}
+function ListItem({ item, index, category, type, isToggled, expand, collapse, node, ctx }: ListItemProps) {
+	const { locale } = useLocale()
+	const [active, setActive] = useFocus()
+
+	const child = item.value
+	const canToggle = JsonObjectNode.is(child)
+	const isCollapsed = canToggle && (isToggled === false || (isToggled === undefined && node.children.length > 20))
+	const canMoveUp = node.children.length > 1 && index > 0
+	const canMoveDown = node.children.length > 1 && index < (node.children.length - 1)
+
+	const onRemove = useCallback(() => {
+		ctx.makeEdit(() => {
+			node.children.splice(index, 1)
+			return node
+		})
+	}, [ctx, node, index])
+
+	const onMoveUp = useCallback(() => {
+		if (node.children.length <= 1 || index <= 0) {
+			return
+		}
+		ctx.makeEdit(() => {
+			const moved = node.children.splice(index, 1)
+			node.children.splice(index - 1, 0, ...moved)
+			return node
+		})
+	}, [ctx, node, index])
+
+	const onMoveDown = useCallback(() => {
+		if (node.children.length <= 1 || index >= node.children.length - 1) {
+			return
+		}
+		ctx.makeEdit(() => {
+			const moved = node.children.splice(index, 1)
+			node.children.splice(index + 1, 0, ...moved)
+			return node
+		})
+	}, [ctx, node, index])
+
+	const onDuplicate = useCallback(() => {
+		ctx.makeEdit(() => {
+			node.children.splice(index + 1, 0, node.children[index])
+			return node
+		})
+	}, [ctx, node, index])
+
+	const makeItemEdit: MakeEdit = useCallback((edit) => {
+		ctx.makeEdit(() => {
+			const newChild = edit(child?.range ?? item.range)
+			node.children[index] = {
+				type: 'item',
+				range: item.range,
+				value: newChild,
+			}
+			return node
+		})
+	}, [ctx, child, item, node])
+
+	const itemCtx = useMemo(() => {
+		return { ...ctx, makeEdit: makeItemEdit }
+	}, [ctx, makeItemEdit])
+
+	const onContextMenu = (evt: MouseEvent) => {
+		evt.preventDefault()
+		setActive()
+	}
+
+	return <div class="node" data-category={category}>
+		<div class="node-header" onContextMenu={onContextMenu}>
+			<Errors type={type} node={child} ctx={ctx} />
+			{canToggle && (isCollapsed
+				? <button class="toggle tooltipped tip-se" aria-label={`${locale('expand')}\n${locale('expand_all', 'Ctrl')}`} onClick={expand}>{Octicon.chevron_right}</button>
+				: <button class="toggle tooltipped tip-se" aria-label={`${locale('collapse')}\n${locale('collapse_all', 'Ctrl')}`} onClick={collapse}>{Octicon.chevron_down}</button>
+			)}
+			<button class="remove tooltipped tip-se" aria-label={locale('remove')} onClick={onRemove}>
+				{Octicon.trashcan}
+			</button>
+			{(canMoveUp || canMoveDown) && <div class="node-move">
+				<button class="move tooltipped tip-se" aria-label={locale('move_up')} disabled={!canMoveUp} onClick={onMoveUp}>
+					{Octicon.chevron_up}
+				</button>
+				<button class="move tooltipped tip-se" aria-label={locale('move_down')} disabled={!canMoveDown} onClick={onMoveDown}>
+					{Octicon.chevron_down}
+				</button>
+			</div>}
+			{active && <div class="node-menu">
+				<div class="menu-item">
+					<Btn icon="duplicate" onClick={onDuplicate}/>
+					<span>{locale('duplicate')}</span>
+				</div>
+			</div>}
+			<Key label="entry" />
+			{!isCollapsed && <Head type={type} node={child} ctx={itemCtx} />}
+		</div>
+		{!isCollapsed && (type.kind === 'struct'
+			? <div class="node-body-flat">
+				<StructBody type={type} node={child} ctx={itemCtx} />
+			</div>
+			: <Body type={type} node={child} ctx={itemCtx} />)}
+	</div>
+}
+
+function TupleHead({ type, optional, node, ctx }: Props<TupleType>) {
+	const { locale } = useLocale()
+
+	const isInline = isInlineTuple(type)
+
+	const onRemove = useCallback(() => {
+		ctx.makeEdit(() => {
+			return undefined
+		})
+	}, [ctx])
+
+	const onSetDefault = useCallback(() => {
+		ctx.makeEdit((range) => {
+			return getDefault(type, range, ctx)
+		})
+	}, [type, ctx])
+
+	return <>
+		{optional
+			? (JsonArrayNode.is(node)
+				? <button class="remove tooltipped tip-se" aria-label={locale('remove')} onClick={onRemove}>
+					{Octicon.trashcan}
+				</button>
+				: <button class="add tooltipped tip-se" aria-label={locale('expand')} onClick={onSetDefault}>
+					{Octicon.plus_circle}
+				</button>)
+			: (!JsonArrayNode.is(node)
+				? <button class="add tooltipped tip-se" aria-label={locale('reset')} onClick={onSetDefault}>
+					{Octicon.history}
+				</button>
+				: <></>
+			)}
+		{isInline && JsonArrayNode.is(node) && type.items.map((itemType, index) => {
+			const item = node?.children?.[index]
+			const child = item?.value
+			const childType = simplifyType(itemType, ctx)
+			return <TupleHeadItem child={child} childType={childType} index={index} type={type} node={node} ctx={ctx} />
+		})}
+	</>
+}
+
+interface TupleHeadItemProps extends Props {
+	child: JsonNode | undefined
+	childType: SimplifiedMcdocType
+	index: number
+	node: JsonArrayNode
+}
+function TupleHeadItem({ child, childType, index, node, ctx }: TupleHeadItemProps) {
+	const makeItemEdit = useCallback<MakeEdit>((edit) => {
+		ctx.makeEdit((range) => {
+			const newChild = edit(child?.range ?? node?.range ?? range)
+			if (newChild === undefined) {
+				return node
+			}
+			node.children[index] = {
+				type: 'item',
+				range: newChild.range,
+				value: newChild,
+			}
+			return node
+		})
+	}, [index, node, ctx])
+
+	const itemCtx = useMemo(() => {
+		return { ...ctx, makeEdit: makeItemEdit }
+	}, [ctx, makeItemEdit])
+
+	return <Head type={childType} node={child} ctx={itemCtx} />
+}
+
+function TupleBody({ type, node, ctx }: Props<TupleType>) {
+	if (!JsonArrayNode.is(node)) {
+		return <></>
+	}
+	return <>
+		{type.items.map((itemType, index) => {
+			const item = node?.children?.[index]
+			const child = item?.value
+			const childType = simplifyType(itemType, ctx)
+			return <TupleBodyItem child={child} childType={childType} index={index} type={type} node={node} ctx={ctx} />
+		})}
+	</>
+}
+
+interface TupleBodyItemProps extends Props {
+	child: JsonNode | undefined
+	childType: SimplifiedMcdocType
+	index: number
+	node: JsonArrayNode
+}
+function TupleBodyItem({ child, childType, index, node, ctx }: TupleBodyItemProps) {
+	const makeItemEdit = useCallback<MakeEdit>((edit) => {
+		ctx.makeEdit(() => {
+			const newChild = edit(child?.range ?? node.range)
+			if (newChild === undefined) {
+				return node
+			}
+			node.children[index] = {
+				type: 'item',
+				range: newChild.range,
+				value: newChild,
+			}
+			return node
+		})
+	}, [index, node, ctx])
+
+	const itemCtx = useMemo(() => {
+		return { ...ctx, makeEdit: makeItemEdit }
+	}, [ctx, makeItemEdit])
+
+	return <div key={index} class="node">
+		<div class="node-header">
+			<Errors type={childType} node={child} ctx={itemCtx} />
+			<Key label="entry" />
+			<Head type={childType} node={child} ctx={itemCtx} />
+		</div>
+		<Body type={childType} node={child} ctx={itemCtx} />
+	</div>
+}
+
+function LiteralHead({ type, optional, node, ctx }: Props<LiteralType>) {
+	return <UnionHead type={{ kind: 'union', members: [type] }} optional={optional} node={node} ctx={ctx} />
+}
+
+const ANY_TYPES: SimplifiedMcdocType[] = [
+	{ kind: 'boolean' },
+	{ kind: 'double' },
+	{ kind: 'string' },
+	{ kind: 'list', item: { kind: 'any' } },
+	{ kind: 'struct', fields: [ { kind: 'pair', key: { kind: 'string' }, type: { kind: 'any' } }] },
+]
+
+function AnyHead({ optional, node, ctx }: Props) {
+	const { locale } = useLocale()
+
+	const selectedType = selectAnyType(node)
+
+	const onSelect = useCallback((newValue: string) => {
+		ctx.makeEdit((range) => {
+			const newSelected = ANY_TYPES.find(t => t.kind === newValue)
+			if (!newSelected) {
+				return undefined
+			}
+			return getDefault(newSelected, range, ctx)
+		})
+	}, [ctx])
+
+	return <>
+		<select value={selectedType ? selectedType.kind : SPECIAL_UNSET} onInput={(e) => onSelect((e.target as HTMLSelectElement).value)}>
+			{(!selectedType || optional) && <option value={SPECIAL_UNSET}>{locale('unset')}</option>}
+			{ANY_TYPES.map((type) =>
+				<option value={type.kind}>{formatIdentifier(type.kind)}</option>
+			)}
+		</select>
+		{selectedType && <Head type={selectedType} node={node} ctx={ctx} />}
+	</>
+}
+
+function AnyBody({ optional, node, ctx }: Props) {
+	const selectedType = selectAnyType(node)
+
+	if (!selectedType) {
+		return <></>
+	}
+
+	return <Body type={selectedType} optional={optional} node={node} ctx={ctx} />
+}
+
+function selectAnyType(node: JsonNode | undefined) {
+	switch (node?.type) {
+		case 'json:boolean': return ANY_TYPES[0]
+		case 'json:number': return ANY_TYPES[1]
+		case 'json:string': return ANY_TYPES[2]
+		case 'json:array': return ANY_TYPES[3]
+		case 'json:object': return ANY_TYPES[4]
+		default: return undefined
+	}
+}
+
+interface KeyProps {
+	label: string | number | boolean
+	doc?: string
+	raw?: boolean
+}
+function Key({ label, doc, raw }: KeyProps) {
+	const [shown, setShown] = useFocus()
+
+	return <label onClick={() => setShown(true)}>
+		<span class={doc ? `underline ${shown ? '' : 'decoration-dotted hover:decoration-solid'}` : ''}>{raw ? label.toString() : formatIdentifier(label.toString())}</span>
+		{doc && <div class={`node-doc ${shown ? '' : 'hidden'}`} onClick={e => e.stopPropagation()} dangerouslySetInnerHTML={{ __html: marked(doc) }}></div>}
+	</label>
+}
+
+interface ErrorsProps {
+	type: SimplifiedMcdocType
+	node: core.AstNode | undefined
+	ctx: McdocContext
+}
+function Errors({ type, node, ctx }: ErrorsProps) {
+	const errors = useMemo(() => {
+		if (node === undefined) {
+			return []
+		}
+		const errors = ctx.err.errors
+			// Get all errors inside the current node
+			.filter(e => core.Range.containsRange(node.range, e.range, true))
+			// Unless they are inside a child node
+			.filter(e => !node.children?.some(c => (c.type === 'item' || c.type === 'pair') && core.Range.containsRange(c.range, e.range, true)))
+			// Filter out "Missing key" errors
+			.filter(e => !(core.Range.length(e.range) === 1 && (type.kind === 'struct' || (type.kind === 'union' && JsonNode.is(node) && (selectUnionMember(type, node) ?? type.members[0]).kind === 'struct'))))
+		// Hide warnings if there are errors
+		return errors.find(e => e.severity === 3)
+			? errors.filter(e => e.severity === 3)
+			: errors
+	}, [type, node, ctx])
+
+	return <>
+		{errors.map(e => <ErrorIndicator error={e} />)}	
+	</>
+}
+
+interface ErrorIndicatorProps {
+	error: core.LanguageError
+}
+function ErrorIndicator({ error }: ErrorIndicatorProps) {
+	const [active, setActive] = useFocus()
+
+	return <div class={`node-icon ${error.severity === 2 ? 'node-warning' : 'node-error'} ${active ? 'show' : ''}`} onClick={() => setActive()}>
+		{Octicon.issue_opened}
+		<span class="icon-popup">{error.message.replace(/ \(rule: [a-zA-Z]+\)$/, '')}</span>
+	</div>
+}
+
+function useToggles() {
+	const [toggleState, setToggleState] = useState(new Map<string, boolean>())
+	const [toggleAll, setToggleAll] = useState<boolean | undefined>(undefined)
+
+	const expand = useCallback((key: string) => (evt: MouseEvent) => {
+		if (evt.ctrlKey) {
+			setToggleState(new Map())
+			setToggleAll(true)
+		} else {
+			setToggleState(state => new Map(state.set(key, true)))
+		}
+	}, [])
+
+	const collapse = useCallback((key: string) => (evt: MouseEvent) => {
+		if (evt.ctrlKey) {
+			setToggleState(new Map())
+			setToggleAll(false)
+		} else {
+			setToggleState(state => new Map(state.set(key, false)))
+		}
+	}, [])
+	
+	const isToggled = useCallback((key: string) => {
+		if (!(toggleState instanceof Map)) return false
+		return toggleState.get(key) ?? toggleAll
+	}, [toggleState, toggleAll])
+
+	return { expand, collapse, isToggled }
+}
diff --git a/src/app/components/generator/PreviewPanel.tsx b/src/app/components/generator/PreviewPanel.tsx
index 5cc5f8e7..90196e28 100644
--- a/src/app/components/generator/PreviewPanel.tsx
+++ b/src/app/components/generator/PreviewPanel.tsx
@@ -1,69 +1,63 @@
-import type { DataModel } from '@mcschema/core'
-import { Path } from '@mcschema/core'
-import { useState } from 'preact/hooks'
-import { useModel } from '../../hooks/index.js'
-import type { VersionId } from '../../services/index.js'
+import type { DocAndNode } from '@spyglassmc/core'
+import { useDocAndNode } from '../../contexts/Spyglass.jsx'
+import { useVersion } from '../../contexts/Version.jsx'
 import { checkVersion } from '../../services/index.js'
+import { safeJsonParse } from '../../Utils.js'
 import { BiomeSourcePreview, BlockStatePreview, DecoratorPreview, DensityFunctionPreview, LootTablePreview, ModelPreview, NoisePreview, NoiseSettingsPreview, RecipePreview, StructureSetPreview } from '../previews/index.js'
 
-export const HasPreview = ['loot_table', 'recipe', 'dimension', 'worldgen/density_function', 'worldgen/noise', 'worldgen/noise_settings', 'worldgen/configured_feature', 'worldgen/placed_feature', 'worldgen/structure_set', 'block_definition', 'model']
+export const HasPreview = ['loot_table', 'recipe', 'dimension', 'worldgen/density_function', 'worldgen/noise', 'worldgen/noise_settings', 'worldgen/configured_feature', 'worldgen/placed_feature', 'worldgen/structure_set', 'block_definition', 'docAndNode']
 
 type PreviewPanelProps = {
-	model: DataModel | undefined,
-	version: VersionId,
+	docAndNode: DocAndNode | undefined,
 	id: string,
 	shown: boolean,
 	onError: (message: string) => unknown,
 }
-export function PreviewPanel({ model, version, id, shown }: PreviewPanelProps) {
-	const [, setCount] = useState(0)
+export function PreviewPanel({ docAndNode: original, id, shown }: PreviewPanelProps) {
+	const { version } = useVersion()
 
-	useModel(model, () => {
-		setCount(count => count + 1)
-	})
+	if (!original) return <></>
 
-	if (!model) return <></>
-	const data = model.get(new Path([]))
-	if (!data) return <></>
+	const docAndNode = useDocAndNode(original)
 
 	if (id === 'loot_table') {
-		return <LootTablePreview {...{ model, version, shown, data }} />
+		return <LootTablePreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'recipe') {
-		return <RecipePreview {...{ model, version, shown, data }} />
+		return <RecipePreview {...{ docAndNode, shown }} />
 	}
 
-	if (id === 'dimension' && model.get(new Path(['generator', 'type']))?.endsWith('noise')) {
-		return <BiomeSourcePreview {...{ model, version, shown, data }} />
+	if (id === 'dimension' && safeJsonParse(docAndNode.doc.getText())?.generator?.type?.endsWith('noise')) {
+		return <BiomeSourcePreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'worldgen/density_function') {
-		return <DensityFunctionPreview {...{ model, version, shown, data }} />
+		return <DensityFunctionPreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'worldgen/noise') {
-		return <NoisePreview {...{ model, version, shown, data }} />
+		return <NoisePreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'worldgen/noise_settings' && checkVersion(version, '1.18')) {
-		return <NoiseSettingsPreview {...{ model, version, shown, data }} />
+		return <NoiseSettingsPreview {...{ docAndNode, shown }} />
 	}
 
 	if ((id === 'worldgen/placed_feature' ||  (id === 'worldgen/configured_feature' && checkVersion(version, '1.16', '1.17')))) {
-		return <DecoratorPreview {...{ model, version, shown, data }} />
+		return <DecoratorPreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'worldgen/structure_set' && checkVersion(version, '1.19')) {
-		return <StructureSetPreview {...{ model, version, shown, data }} />
+		return <StructureSetPreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'block_definition') {
-		return <BlockStatePreview {...{ model, version, shown, data }} />
+		return <BlockStatePreview {...{ docAndNode, shown }} />
 	}
 
 	if (id === 'model') {
-		return <ModelPreview {...{ model, version, shown, data }} />
+		return <ModelPreview {...{ docAndNode, shown }} />
 	}
 
 	return <></>
diff --git a/src/app/components/generator/ProjectCreation.tsx b/src/app/components/generator/ProjectCreation.tsx
index 70259d78..83dee87a 100644
--- a/src/app/components/generator/ProjectCreation.tsx
+++ b/src/app/components/generator/ProjectCreation.tsx
@@ -1,19 +1,20 @@
-import { useEffect, useMemo, useRef, useState } from 'preact/hooks'
+import { useCallback, useMemo, useState } from 'preact/hooks'
 import config from '../../Config.js'
-import type { Project } from '../../contexts/index.js'
-import { disectFilePath, useLocale, useProject } from '../../contexts/index.js'
+import { useLocale, useProject } from '../../contexts/index.js'
+import { useModal } from '../../contexts/Modal.jsx'
+import { useSpyglass } from '../../contexts/Spyglass.jsx'
 import type { VersionId } from '../../services/index.js'
-import { DEFAULT_VERSION, parseSource } from '../../services/index.js'
-import { message, readZip } from '../../Utils.js'
+import { DEFAULT_VERSION } from '../../services/index.js'
+import { PROJECTS_URI } from '../../services/Spyglass.js'
+import { hexId, message, readZip } from '../../Utils.js'
 import { Btn, BtnMenu, FileUpload, Octicon, TextInput } from '../index.js'
 import { Modal } from '../Modal.js'
 
-interface Props {
-	onClose: () => unknown,
-}
-export function ProjectCreation({ onClose }: Props) {
+export function ProjectCreation() {
 	const { locale } = useLocale()
-	const { projects, createProject, changeProject, updateProject } = useProject()
+	const { hideModal } = useModal()
+	const { projects, createProject, changeProject } = useProject()
+	const { client } = useSpyglass()
 
 	const [name, setName] = useState('')
 	const [namespace, setNamespace] = useState('')
@@ -32,43 +33,28 @@ export function ProjectCreation({ onClose }: Props) {
 		}
 	}
 
-	const projectUpdater = useRef(updateProject)
-	useEffect(() => {
-		projectUpdater.current = updateProject
-	}, [updateProject])
-
-	const onCreate = () => {
+	const onCreate = useCallback(async () => {
 		setCreating(true)
-		createProject(name, namespace || undefined, version)
+		const rootUri = `${PROJECTS_URI}${hexId()}/`
+		await client.fs.mkdir(rootUri)
+		createProject({ name, namespace, version, storage: { type: 'indexeddb', rootUri } })
 		changeProject(name)
 		if (file) {
 			readZip(file).then(async (entries) => {
-				const project: Partial<Project> = { files: [] }
-				await Promise.all(entries.map(async (entry) => {
-					const file = disectFilePath(entry[0], version)
-					if (file) {
-						try {
-							const data = await parseSource(entry[1], 'json')
-							project.files!.push({ ...file, data })
-							return
-						} catch (e) {
-							console.warn(`Failed parsing ${file.type} ${file.id}: ${message(e)}`)
-						}
-					}
-					if (project.unknownFiles === undefined) {
-						project.unknownFiles = []
-					}
-					project.unknownFiles.push({ path: entry[0], data: entry[1] })
+				await Promise.all(entries.map((entry) => {
+					const path = entry[0].startsWith('/') ? entry[0].slice(1) : entry[0]
+					return client.fs.writeFile(rootUri + path, entry[1])
 				}))
-				projectUpdater.current(project)
-				onClose()
-			}).catch(() => {
-				onClose()
+				hideModal()
+			}).catch((e) => {
+				// TODO: handle errors
+				console.warn(`Error importing data pack: ${message(e)}`)
+				hideModal()
 			})
 		} else {
-			onClose()
+			hideModal()
 		}
-	}
+	}, [createProject, changeProject, client, version, name, namespace, file])
 
 	const invalidName = useMemo(() => {
 		return projects.map(p => p.name.trim().toLowerCase()).includes(name.trim().toLowerCase())
@@ -80,7 +66,7 @@ export function ProjectCreation({ onClose }: Props) {
 
 	const versions = config.versions.map(v => v.id as VersionId).reverse()
 
-	return <Modal class="project-creation" onDismiss={onClose}>
+	return <Modal class="project-creation">
 		<p>{locale('project.create')}</p>
 		<div class="input-group">
 			<TextInput autofocus class={`btn btn-input${!creating && (invalidName || name.length === 0) ? ' invalid': ''}`} placeholder={locale('project.name')} value={name} onChange={setName} />
@@ -90,7 +76,7 @@ export function ProjectCreation({ onClose }: Props) {
 			<TextInput class={`btn btn-input${!creating && invalidNamespace ? ' invalid' : ''}`} placeholder={locale('project.namespace')} value={namespace} onChange={setNamespace} />
 			{!creating && invalidNamespace && <div class="status-icon danger tooltipped tip-e" aria-label={locale('project.namespace.invalid')}>{Octicon.issue_opened}</div>}
 		</div>
-		<BtnMenu icon="tag" label={version} tooltip={locale('switch_version')} data-cy="version-switcher">
+		<BtnMenu icon="tag" label={version} tooltip={locale('switch_version')}>
 			{versions.map(v =>
 				<Btn label={v} active={v === version} onClick={() => setVersion(v)} />
 			)}
diff --git a/src/app/components/generator/ProjectDeletion.tsx b/src/app/components/generator/ProjectDeletion.tsx
index c3e09114..7145b5a5 100644
--- a/src/app/components/generator/ProjectDeletion.tsx
+++ b/src/app/components/generator/ProjectDeletion.tsx
@@ -1,27 +1,27 @@
+import { useCallback } from 'preact/hooks'
 import { Analytics } from '../../Analytics.js'
 import { useLocale, useProject } from '../../contexts/index.js'
+import { useModal } from '../../contexts/Modal.jsx'
 import { Btn } from '../Btn.js'
 import { Modal } from '../Modal.js'
 
-interface Props {
-	onClose: () => void,
-}
-export function ProjectDeletion({ onClose }: Props) {
+export function ProjectDeletion() {
 	const { locale } = useLocale()
-	const { projects, project, deleteProject } = useProject()
+	const { hideModal } = useModal()
+	const { project, deleteProject } = useProject()
 
-	const doSave = () => {
-		Analytics.deleteProject(projects.length, project.files.length, 'menu')
+	const doSave = useCallback(() => {
+		Analytics.deleteProject('menu')
 		deleteProject(project.name)
-		onClose()
-	}
+		hideModal()
+	}, [deleteProject, hideModal])
 
-	return <Modal class="file-modal" onDismiss={onClose}>
+	return <Modal class="file-modal">
 		<p>{locale('project.delete_confirm.1', project.name)}</p>
 		<p><b>{locale('project.delete_confirm.2')}</b></p>
 		<div class="button-group">
 			<Btn icon="trashcan" label={locale('project.delete')} onClick={doSave} class="danger" />
-			<Btn label={locale('project.cancel')} onClick={onClose} />
+			<Btn label={locale('project.cancel')} onClick={hideModal} />
 		</div>
 	</Modal>
 }
diff --git a/src/app/components/generator/ProjectPanel.tsx b/src/app/components/generator/ProjectPanel.tsx
index a602809d..f86e2d16 100644
--- a/src/app/components/generator/ProjectPanel.tsx
+++ b/src/app/components/generator/ProjectPanel.tsx
@@ -1,118 +1,103 @@
-import type { DataModel } from '@mcschema/core'
-import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
-import { Analytics } from '../../Analytics.js'
+import { Identifier } from 'deepslate'
+import { route } from 'preact-router'
+import { useCallback, useEffect, useMemo, useRef, useState } from 'preact/hooks'
 import config from '../../Config.js'
-import { disectFilePath, DRAFT_PROJECT, getFilePath, useLocale, useProject, useVersion } from '../../contexts/index.js'
+import { DRAFT_PROJECT, getProjectRoot, useLocale, useProject } from '../../contexts/index.js'
+import { useModal } from '../../contexts/Modal.jsx'
+import { useSpyglass } from '../../contexts/Spyglass.jsx'
 import { useFocus } from '../../hooks/useFocus.js'
-import type { VersionId } from '../../services/index.js'
-import { stringifySource } from '../../services/index.js'
-import { Store } from '../../Store.js'
-import { writeZip } from '../../Utils.js'
+import { cleanUrl, writeZip } from '../../Utils.js'
 import { Btn } from '../Btn.js'
 import { BtnMenu } from '../BtnMenu.js'
 import { Octicon } from '../Octicon.jsx'
 import type { TreeViewGroupRenderer, TreeViewLeafRenderer } from '../TreeView.js'
 import { TreeView } from '../TreeView.js'
+import { FileRenaming } from './FileRenaming.jsx'
+import { ProjectCreation } from './ProjectCreation.jsx'
+import { ProjectDeletion } from './ProjectDeletion.jsx'
 
-interface Props {
-	model: DataModel | undefined,
-	version: VersionId,
-	id: string,
-	onError: (message: string) => unknown,
-	onRename: (file: { type: string, id: string }) => unknown,
-	onCreate: () => unknown,
-	onDeleteProject: () => unknown,
-}
-export function ProjectPanel({ onRename, onCreate, onDeleteProject }: Props) {
+export function ProjectPanel() {
 	const { locale } = useLocale()
-	const { version } = useVersion()
-	const { projects, project, changeProject, file, openFile, updateFile } = useProject()
+	const { showModal } = useModal()
+	const { projects, project, projectUri, setProjectUri, changeProject } = useProject()
+	const { client, service } = useSpyglass()
 
-	const [treeViewMode, setTreeViewMode] = useState(Store.getTreeViewMode())
+	const projectRoot = getProjectRoot(project)
 
-	const changeTreeViewMode = useCallback((mode: string) => {
-		Store.setTreeViewMode(mode)
-		Analytics.setTreeViewMode(mode)
-		setTreeViewMode(mode)
-	}, [])
-
-	const disectEntry = useCallback((entry: string) => {
-		if (treeViewMode === 'resources' && entry !== 'pack.mcmeta') {
-			const [type, id] = entry.split('/')
-			return {
-				type: type.replaceAll('\u2215', '/'),
-				id: id.replaceAll('\u2215', '/'),
-			}
+	const [entries, setEntries] = useState<string[]>()
+	useEffect(() => {
+		setEntries(undefined)
+		client.fs.readdir(projectRoot).then(entries => {
+			setEntries(entries.flatMap(e => {
+				return e.isFile() ? [e.name.slice(projectRoot.length)] : []
+			}))
+		})
+	}, [projectRoot])
+	useEffect(() => {
+		if (!service) {
+			return
 		}
-		return disectFilePath(entry, version)
-	}, [treeViewMode, version])
-
-	const entries = useMemo(() => project.files.flatMap(f => {
-		const path = getFilePath(f, version)
-		if (!path) return []
-		if (f.type === 'pack_mcmeta') return 'pack.mcmeta'
-		if (treeViewMode === 'resources') {
-			return [`${f.type.replaceAll('/', '\u2215')}/${f.id.replaceAll('/', '\u2215')}`]
-		}
-		return [path]
-	}), [treeViewMode, version, ...project.files])
-
-	const selected = useMemo(() => file && getFilePath(file, version), [file, version])
-
-	const selectFile = useCallback((entry: string) => {
-		const file = disectEntry(entry)
-		if (file) {
-			openFile(file.type, file.id)
-		}
-	}, [disectEntry])
+		service.watchTree(projectRoot, setEntries)
+		return () => service.unwatchTree(projectRoot, setEntries)
+	}, [service, projectRoot])
 
 	const download = useRef<HTMLAnchorElement>(null)
 
 	const onDownload = async () => {
-		if (!download.current) return
-		let hasPack = false
-		const entries = project.files.flatMap(file => {
-			const path = getFilePath(file, version)
-			if (path === undefined) return []
-			if (path === 'pack.mcmeta') hasPack = true
-			return [[path, stringifySource(file.data)]] as [string, string][]
-		})
-		project.unknownFiles?.forEach(({ path, data }) => {
-			entries.push([path, data])
-		})
-		if (!hasPack) {
-			const pack_format = config.versions.find(v => v.id === version)!.pack_format
-			entries.push(['pack.mcmeta', stringifySource({ pack: { pack_format, description: '' } })])
-		}
-		const url = await writeZip(entries)
+		if (!download.current || entries === undefined) return
+		const zipEntries = await Promise.all(entries.map(async e => {
+			const data = await client.fs.readFile(projectRoot + e)
+			return [e, data] as [string, Uint8Array]
+		}))
+		const url = await writeZip(zipEntries)
 		download.current.setAttribute('href', url)
 		download.current.setAttribute('download', `${project.name.replaceAll(' ', '_')}.zip`)
 		download.current.click()
 	}
 
+	const onDeleteProject = useCallback(() => {
+		showModal(() => <ProjectDeletion />)
+	}, [])
+
+	const onCreateProject = useCallback(() => {
+		showModal(() => <ProjectCreation />)
+	}, [])
+
 	const actions = useMemo(() => [
 		{
 			icon: 'pencil',
 			label: locale('project.rename_file'),
-			onAction: (entry: string) => {
-				const file = disectEntry(entry)
-				if (file) {
-					onRename(file)
+			onAction: (uri: string) => {
+				const res = service?.dissectUri(uri)
+				if (res) {
+					// This is pretty hacky, improve this in the future when spyglass has a "constructUri" function
+					const oldSuffix = `${res.pack}/${res.namespace}/${res.path}/${res.identifier}${res.ext}`
+					if (!uri.endsWith(oldSuffix)) {
+						console.warn(`Expected ${uri} to end with ${oldSuffix}`)
+						return
+					}
+					const onRename = (newId: string) => {
+						const prefix = uri.substring(0, uri.length - oldSuffix.length)
+						const { namespace, path } = Identifier.parse(newId)
+						const newUri = prefix + `${res.pack}/${namespace}/${res.path}/${path}${res.ext}`
+						service?.renameFile(uri, newUri).then(() => {
+							setProjectUri(newUri)
+						})
+					}
+					showModal(() => <FileRenaming oldId={`${res.namespace}:${res.identifier}`} onRename={onRename} />)
 				}
 			},
 		},
 		{
 			icon: 'trashcan',
 			label: locale('project.delete_file'),
-			onAction: (entry: string) => {
-				const file = disectEntry(entry)
-				if (file) {
-					Analytics.deleteProjectFile(file.type, projects.length, project.files.length, 'menu')
-					updateFile(file.type, file.id, {})
-				}
+			onAction: (uri: string) => {
+				client.fs.unlink(uri).then(() => {
+					setProjectUri(undefined)
+				})
 			},
 		},
-	], [disectEntry, updateFile, onRename])
+	], [client, service, projectRoot, showModal])
 
 	const FolderEntry: TreeViewGroupRenderer = useCallback(({ name, open, onClick }) => {
 		return <div class="entry" onClick={onClick} >
@@ -123,41 +108,59 @@ export function ProjectPanel({ onRename, onCreate, onDeleteProject }: Props) {
 
 	const FileEntry: TreeViewLeafRenderer<string> = useCallback(({ entry }) => {
 		const [focused, setFocus] = useFocus()
+		const uri = projectRoot + entry
 		const onContextMenu = (evt: MouseEvent) => {
 			evt.preventDefault()
 			setFocus()
 		}
-		const file = disectEntry(entry)
+		const onClick = () => {
+			const category = uri.endsWith('/pack.mcmeta')
+				? 'pack_mcmeta'
+				: service?.dissectUri(uri)?.category
+			const gen = config.generators.find(g => g.id === category)
+			if (!gen) {
+				throw new Error(`Cannot find generator for uri ${uri}`)
+			}
+			route(cleanUrl(gen.url))
+			setProjectUri(uri)
+		}
 
-		return <div class={`entry ${file && getFilePath(file, version) === selected ? 'active' : ''} ${focused ? 'focused' : ''}`} onClick={() => selectFile(entry)} onContextMenu={onContextMenu} >
+		return <div class={`entry ${uri === projectUri ? 'active' : ''} ${focused ? 'focused' : ''}`} onClick={onClick} onContextMenu={onContextMenu} >
 			{Octicon.file}
 			<span>{entry.split('/').at(-1)}</span>
 			{focused && <div class="entry-menu">
-				{actions?.map(a => <div class="action [&>svg]:inline" onClick={e => { a.onAction(entry); e.stopPropagation(); setFocus(false) }}>
+				{actions?.map(a => <div class="action [&>svg]:inline" onClick={e => { a.onAction(uri); e.stopPropagation(); setFocus(false) }}>
 					{(Octicon as any)[a.icon]}
 					<span>{a.label}</span>
 				</div>)}
 			</div>}
 		</div>
-	}, [actions, disectEntry])
+	}, [service, actions, projectRoot, projectUri])
 
-	return <>
+	return <div class="panel-content">
 		<div class="project-controls">
 			<BtnMenu icon="chevron_down" label={project.name} tooltip={locale('switch_project')} tooltipLoc="se">
 				{projects.map(p => <Btn label={p.name} active={p.name === project.name} onClick={() => changeProject(p.name)} />)}
 			</BtnMenu>
 			<BtnMenu icon="kebab_horizontal" >
 				<Btn icon="file_zip" label={locale('project.download')} onClick={onDownload} />
-				<Btn icon="plus_circle" label={locale('project.new')} onClick={onCreate} />
-				<Btn icon={treeViewMode === 'resources' ? 'three_bars' : 'rows'} label={locale(treeViewMode === 'resources' ? 'project.show_file_paths' : 'project.show_resources')} onClick={() => changeTreeViewMode(treeViewMode === 'resources' ? 'files' : 'resources')} />
+				<Btn icon="plus_circle" label={locale('project.new')} onClick={onCreateProject} />
 				{project.name !== DRAFT_PROJECT.name && <Btn icon="trashcan" label={locale('project.delete')} onClick={onDeleteProject} />}
 			</BtnMenu>
 		</div>
-		<div class="file-view">
-			{entries.length === 0
-				? <span>{locale('project.no_files')}</span>
-				: <TreeView entries={entries} split={path => path.split('/')} group={FolderEntry} leaf={FileEntry} />}
+		<div class="project-files">
+			{entries === undefined
+				? <div class="p-2 flex flex-col gap-2">
+					<div class="skeleton-2 rounded h-4 w-24"></div>
+					<div class="skeleton-2 rounded h-4 w-32 ml-4"></div>
+					<div class="skeleton-2 rounded h-4 w-24 ml-8"></div>
+					<div class="skeleton-2 rounded h-4 w-36 ml-8"></div>
+					<div class="skeleton-2 rounded h-4 w-28"></div>
+				</div>
+				: entries.length === 0
+					? <span>{locale('project.no_files')}</span>
+					: <TreeView entries={entries} split={path => path.split('/')} group={FolderEntry} leaf={FileEntry} />}
 		</div>
 		<a ref={download} style="display: none;"></a>
-	</>
+	</div>
 }
diff --git a/src/app/components/generator/SchemaGenerator.tsx b/src/app/components/generator/SchemaGenerator.tsx
index 540af753..1a49b09a 100644
--- a/src/app/components/generator/SchemaGenerator.tsx
+++ b/src/app/components/generator/SchemaGenerator.tsx
@@ -1,19 +1,23 @@
-import { DataModel, Path } from '@mcschema/core'
 import { route } from 'preact-router'
 import { useCallback, useEffect, useErrorBoundary, useMemo, useRef, useState } from 'preact/hooks'
+import type { Method } from '../../Analytics.js'
 import { Analytics } from '../../Analytics.js'
 import type { ConfigGenerator } from '../../Config.js'
 import config from '../../Config.js'
 import { DRAFT_PROJECT, useLocale, useProject, useVersion } from '../../contexts/index.js'
-import { AsyncCancel, useActiveTimeout, useAsync, useModel, useSearchParam } from '../../hooks/index.js'
-import { getOutput } from '../../schema/transformOutput.js'
+import { useModal } from '../../contexts/Modal.jsx'
+import { useSpyglass, watchSpyglassUri } from '../../contexts/Spyglass.jsx'
+import { AsyncCancel, useActiveTimeout, useAsync, useLocalStorage, useSearchParam } from '../../hooks/index.js'
 import type { VersionId } from '../../services/index.js'
-import { checkVersion, fetchPreset, getBlockStates, getCollections, getModel, getSnippet, shareSnippet } from '../../services/index.js'
+import { checkVersion, fetchDependencyMcdoc, fetchPreset, fetchRegistries, getSnippet, shareSnippet } from '../../services/index.js'
+import { DEPENDENCY_URI } from '../../services/Spyglass.js'
 import { Store } from '../../Store.js'
-import { cleanUrl, deepEqual, genPath } from '../../Utils.js'
-import { Ad, Btn, BtnMenu, ErrorPanel, FileCreation, FileRenaming, Footer, HasPreview, Octicon, PreviewPanel, ProjectCreation, ProjectDeletion, ProjectPanel, SearchList, SourcePanel, TextInput, Tree, VersionSwitcher } from '../index.js'
+import { cleanUrl, genPath } from '../../Utils.js'
+import { Ad, Btn, BtnMenu, ErrorPanel, FileCreation, FileView, Footer, HasPreview, Octicon, PreviewPanel, ProjectPanel, SearchList, SourcePanel, TextInput, VersionSwitcher } from '../index.js'
+import { getRootDefault } from './McdocHelpers.js'
 
 export const SHARE_KEY = 'share'
+const MIN_PROJECT_PANEL_WIDTH = 200
 
 interface Props {
 	gen: ConfigGenerator
@@ -22,7 +26,9 @@ interface Props {
 export function SchemaGenerator({ gen, allowedVersions }: Props) {
 	const { locale } = useLocale()
 	const { version, changeVersion, changeTargetVersion } = useVersion()
-	const { projects, project, file, updateProject, updateFile, closeFile } = useProject()
+	const { service } = useSpyglass()
+	const { showModal } = useModal()
+	const { project, projectUri, setProjectUri, updateProject } = useProject()
 	const [error, setError] = useState<Error | string | null>(null)
 	const [errorBoundary, errorRetry] = useErrorBoundary()
 	if (errorBoundary) {
@@ -32,25 +38,35 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 
 	useEffect(() => Store.visitGenerator(gen.id), [gen.id])
 
+	const uri = useMemo(() => {
+		if (!service) {
+			return undefined
+		}
+		if (projectUri) {
+			const category = projectUri.endsWith('/pack.mcmeta')
+				? 'pack_mcmeta'
+				: service.dissectUri(projectUri)?.category
+			if (category === gen.id) {
+				return projectUri
+			} else {
+				setProjectUri(undefined)
+			}
+		}
+		return service.getUnsavedFileUri(gen)
+	}, [service, version, gen, projectUri])
+
 	const [currentPreset, setCurrentPreset] = useSearchParam('preset')
 	const [sharedSnippetId, setSharedSnippetId] = useSearchParam(SHARE_KEY)
 	const ignoreChange = useRef(false)
-	const backup = useMemo(() => Store.getBackup(gen.id), [gen.id])
 
-	const loadBackup = () => {
-		if (backup !== undefined) {
-			model?.reset(DataModel.wrapLists(backup), false)
-		}
-	}
-
-	const { value } = useAsync(async () => {
-		let data: unknown = undefined
+	const { value: docAndNode, loading: docLoading, error: docError } = useAsync(async () => {
+		let text: string | undefined = undefined
 		if (currentPreset && sharedSnippetId) {
 			setSharedSnippetId(undefined)
 			return AsyncCancel
 		}
 		if (currentPreset) {
-			data = await loadPreset(currentPreset)
+			text = await loadPreset(currentPreset)
 		} else if (sharedSnippetId) {
 			const snippet = await getSnippet(sharedSnippetId)
 			let cancel = false
@@ -73,89 +89,111 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 				setSourceShown(false)
 			}
 			Analytics.openSnippet(gen.id, sharedSnippetId, version)
-			data = snippet.data
-		} else if (file) {
-			if (project.version && project.version !== version) {
-				changeVersion(project.version, false)
-				return AsyncCancel
-			}
-			data = file.data
+			text = snippet.text
 		}
-		const [model, blockStates] = await Promise.all([
-			getModel(version, gen.id),
-			getBlockStates(version),
-		])
-		if (data) {
+		if (!service || !uri) {
+			return AsyncCancel
+		}
+		// TODO: clear the dependencies that are not used
+		// Right now if you do this, the mcdoc breaks when switching back to the dependency later
+		if (gen.dependency) {
+			const dependency = await fetchDependencyMcdoc(gen.dependency)
+			const dependencyUri = `${DEPENDENCY_URI}${gen.dependency}.mcdoc`
+			await service.writeFile(dependencyUri, dependency)
+		}
+		if (text !== undefined) {
 			ignoreChange.current = true
-			model.reset(DataModel.wrapLists(data), false)
+			await service.writeFile(uri, text)
+			ignoreChange.current = false
+		} else {
+			text = await service.readFile(uri)
+			if (text === undefined) {
+				const node = getRootDefault(gen.id, service.getCheckerContext())
+				text = service.formatNode(node, uri)
+				await service.writeFile(uri, text)
+			}
 		}
+		ignoreChange.current = true
+		const docAndNode = await service.openFile(uri)
+		ignoreChange.current = false
 		Analytics.setGenerator(gen.id)
-		return { model, blockStates }
-	}, [gen.id, version, sharedSnippetId, currentPreset, project.name, file?.id])
+		return docAndNode
+	}, [gen.id, version, sharedSnippetId, currentPreset, project.name, service, uri])
 
-	const model = value?.model
-	const blockStates = value?.blockStates
+	const { doc } = docAndNode ?? {}
 
-	useModel(model, model => {
+	watchSpyglassUri(uri, () => {
 		if (!ignoreChange.current) {
 			setCurrentPreset(undefined, true)
 			setSharedSnippetId(undefined, true)
 		}
-		if (file && model && blockStates) {
-			const data = getOutput(model, blockStates)
-			updateFile(gen.id, file.id, { id: file.id, data })
-		}
 		ignoreChange.current = false
-		Store.setBackup(gen.id, DataModel.unwrapLists(model.data))
 		setError(null)
-	}, [gen.id, setCurrentPreset, setSharedSnippetId, blockStates, file?.id])
+	}, [])
 
-	const reset = () => {
-		Analytics.resetGenerator(gen.id, model?.historyIndex ?? 1, 'menu')
-		model?.reset(DataModel.wrapLists(model.schema.default()), true)
+	const reset = async () => {
+		if (!service || !uri) {
+			return
+		}
+		Analytics.resetGenerator(gen.id, 1, 'menu')
+		const node = getRootDefault(gen.id, service.getCheckerContext())
+		const newText = service.formatNode(node, uri)
+		await service.writeFile(uri, newText)
 	}
-	const undo = (e: MouseEvent) => {
+	const undo = async (e: MouseEvent) => {
 		e.stopPropagation()
-		Analytics.undoGenerator(gen.id, model?.historyIndex ?? 1, 'menu')
-		model?.undo()
+		if (!service || !uri) {
+			return
+		}
+		Analytics.undoGenerator(gen.id, 1, 'menu')
+		await service.undoEdit(uri)
 	}
-	const redo = (e: MouseEvent) => {
+	const redo = async (e: MouseEvent) => {
 		e.stopPropagation()
-		Analytics.redoGenerator(gen.id, model?.historyIndex ?? 1, 'menu')
-		model?.redo()
+		if (!service || !uri) {
+			return
+		}
+		Analytics.redoGenerator(gen.id, 1, 'menu')
+		await service?.redoEdit(uri)
 	}
 
-	const onKeyUp = (e: KeyboardEvent) => {
-		if (e.ctrlKey && e.key === 'z') {
-			Analytics.undoGenerator(gen.id, model?.historyIndex ?? 1, 'hotkey')
-			model?.undo()
-		} else if (e.ctrlKey && e.key === 'y') {
-			Analytics.redoGenerator(gen.id, model?.historyIndex ?? 1, 'hotkey')
-			model?.redo()
+	const saveFile = useCallback((method: Method) => {
+		if (!docAndNode) {
+			return
 		}
-	}
-	const onKeyDown = (e: KeyboardEvent) => {
-		if (e.ctrlKey && e.key === 's') {
-			setFileSaving('hotkey')
-			e.preventDefault()
-			e.stopPropagation()
-		}
-	}
+		showModal(() => <FileCreation gen={gen} docAndNode={docAndNode} method={method} />)
+	}, [showModal, gen, docAndNode])
+
 	useEffect(() => {
-		document.addEventListener('keyup', onKeyUp)
+		const onKeyDown = async (e: KeyboardEvent) => {
+			if (!service || !uri) {
+				return
+			}
+			if (e.ctrlKey && e.key === 'z') {
+				e.preventDefault()
+				Analytics.undoGenerator(gen.id, 1, 'hotkey')
+				await service.undoEdit(uri)
+			} else if (e.ctrlKey && e.key === 'y') {
+				e.preventDefault()
+				Analytics.redoGenerator(gen.id, 1, 'hotkey')
+				await service.redoEdit(uri)
+			} else if (e.ctrlKey && e.key === 's') {
+				saveFile('hotkey')
+				e.preventDefault()
+				e.stopPropagation()
+			}
+		}
+
 		document.addEventListener('keydown', onKeyDown)
 		return () => {
-			document.removeEventListener('keyup', onKeyUp)
 			document.removeEventListener('keydown', onKeyDown)
 		}
-	}, [model, blockStates, file])
+	}, [gen.id, service, uri, saveFile])
 
-	const [presets, setPresets] = useState<string[]>([])
-	useEffect(() => {
-		getCollections(version).then(collections => {
-			setPresets(collections.get(gen.id).map(p => p.startsWith('minecraft:') ? p.slice(10) : p))
-		})
-			.catch(e => { console.error(e); setError(e) })
+	const { value: presets } = useAsync(async () => {
+		const registries = await fetchRegistries(version)
+		const entries = registries.get(gen.id) ?? []
+		return entries.map(e => e.startsWith('minecraft:') ? e.slice(10) : e)
 	}, [version, gen.id])
 
 	const selectPreset = (id: string) => {
@@ -167,18 +205,11 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 
 	const loadPreset = async (id: string) => {
 		try {
-			const preset = await fetchPreset(version, genPath(gen, version), id)
-			const seed = model?.get(new Path(['generator', 'seed']))
-			if (preset?.generator?.seed !== undefined && seed !== undefined) {
-				preset.generator.seed = seed
-				if (preset.generator.biome_source?.seed !== undefined) {
-					preset.generator.biome_source.seed = seed
-				}
-			}
-			return preset
+			return await fetchPreset(version, genPath(gen, version), id)
 		} catch (e) {
 			setError(`Cannot load preset ${id} in ${version}`)
 			setCurrentPreset(undefined, true)
+			return undefined
 		}
 	}
 
@@ -203,27 +234,21 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 			setShareUrl(`${location.origin}/${gen.url}/?version=${version}&preset=${currentPreset}`)
 			setShareShown(true)
 			copySharedId()
-		} else if (model && blockStates) {
-			const output = getOutput(model, blockStates)
-			if (deepEqual(output, model.schema.default())) {
-				setShareUrl(`${location.origin}/${gen.url}/?version=${version}`)
-				setShareShown(true)
-			} else {
-				setShareLoading(true)
-				shareSnippet(gen.id, version, output, previewShown)
-					.then(({ id, length, compressed, rate }) => {
-						Analytics.createSnippet(gen.id, id, version, length, compressed, rate)
-						const url = `${location.origin}/${gen.url}/?${SHARE_KEY}=${id}`
-						setShareUrl(url)
-						setShareShown(true)
-					})
-					.catch(e => {
-						if (e instanceof Error) {
-							setError(e)
-						}
-					})
-					.finally(() => setShareLoading(false))
-			}
+		} else if (doc) {
+			setShareLoading(true)
+			shareSnippet(gen.id, version, doc.getText(), previewShown)
+				.then(({ id, length, compressed, rate }) => {
+					Analytics.createSnippet(gen.id, id, version, length, compressed, rate)
+					const url = `${location.origin}/${gen.url}/?${SHARE_KEY}=${id}`
+					setShareUrl(url)
+					setShareShown(true)
+				})
+				.catch(e => {
+					if (e instanceof Error) {
+						setError(e)
+					}
+				})
+				.finally(() => setShareLoading(false))
 		}
 	}
 	const copySharedId = () => {
@@ -283,38 +308,61 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 		}
 	}
 
-	const [projectShown, setProjectShown] = useState(Store.getProjectPanelOpen() ?? window.innerWidth > 1000)
+	const [projectShown, setProjectShown] = useState(Store.getProjectPanelOpen() ?? false)
 	const toggleProjectShown = useCallback(() => {
 		if (projectShown) {
-			Analytics.hideProject(gen.id, projects.length, project.files.length, 'menu')
+			Analytics.hideProject('menu')
 		} else {
-			Analytics.showProject(gen.id, projects.length, project.files.length, 'menu')
+			Analytics.showProject('menu')
 		}
 		Store.setProjectPanelOpen(!projectShown)
 		setProjectShown(!projectShown)
 	}, [projectShown])
 
-	const [projectCreating, setProjectCreating] = useState(false)
-	const [projectDeleting, setprojectDeleting] = useState(false)
-	const [fileSaving, setFileSaving] = useState<string | undefined>(undefined)
-	const [fileRenaming, setFileRenaming] = useState<{ type: string, id: string } | undefined>(undefined)
-	const [newFileQueued, setNewFileQueued] = useState(false)
-
-	const onNewFile = useCallback(() => {
-		closeFile()
-		// Need to queue reset because otherwise the useModel hook will update the old file
-		setNewFileQueued(true)
-	}, [closeFile])
+	const [panelWidth, setPanelWidth] = useLocalStorage('misode_project_panel_width', MIN_PROJECT_PANEL_WIDTH, (s) => Number(s), (v) => v.toString())
+	const [realPanelWidth, setRealPanelWidth] = useState(panelWidth)
+	const [resizeStart, setResizeStart] = useState<number>()
 
 	useEffect(() => {
-		if (file === undefined && newFileQueued) {
-			model?.reset(DataModel.wrapLists(model.schema.default()), true)
-			setNewFileQueued(false)
+		const onMouseMove = (e: MouseEvent) => {
+			if (resizeStart) {
+				const targetWidth = e.clientX - resizeStart
+				if (targetWidth < 50) {
+					setProjectShown(false)
+				} else {
+					setRealPanelWidth(Math.max(MIN_PROJECT_PANEL_WIDTH, targetWidth))
+				}
+			}
 		}
-	}, [model, newFileQueued, file])
+		window.addEventListener('mousemove', onMouseMove)
+		return () => window.removeEventListener('mousemove', onMouseMove)
+	}, [resizeStart])
+
+	useEffect(() => {
+		const onMouseUp = () => {
+			setResizeStart(undefined)
+			if (realPanelWidth < MIN_PROJECT_PANEL_WIDTH) {
+				setRealPanelWidth(panelWidth)
+			} else {
+				setPanelWidth(realPanelWidth)
+			}
+		}
+		window.addEventListener('mouseup', onMouseUp)
+		return () => window.removeEventListener('mouseup', onMouseUp)
+	}, [panelWidth, realPanelWidth])
+
+	const newEmptyFile = useCallback(async () => {
+		if (service) {
+			const unsavedUri = service.getUnsavedFileUri(gen)
+			const node = getRootDefault(gen.id, service.getCheckerContext())
+			const text = service.formatNode(node, unsavedUri)
+			await service.writeFile(unsavedUri, text)
+		}
+		setProjectUri(undefined)
+	}, [gen, service, showModal])
 
 	return <>
-		<main class={`generator${previewShown ? ' has-preview' : ''}${projectShown ? ' has-project' : ''}`}>
+		<main class={`${previewShown ? 'has-preview' : ''} ${projectShown ? 'has-project' : ''}`} style={`--project-panel-width: ${realPanelWidth}px`}>
 			{!gen.tags?.includes('partners') && <Ad id="data-pack-generator" type="text" />}
 			<div class="controls generator-controls">
 				{gen.wiki && <a class="btn btn-link tooltipped tip-se" aria-label={locale('learn_on_the_wiki')} href={gen.wiki} target="_blank">
@@ -327,15 +375,16 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 				<VersionSwitcher value={version} onChange={selectVersion} allowed={allowedVersions} />
 				<BtnMenu icon="kebab_horizontal" tooltip={locale('more')}>
 					<Btn icon="history" label={locale('reset_default')} onClick={reset} />
-					{backup !== undefined && <Btn icon="history" label={locale('restore_backup')} onClick={loadBackup} />}
 					<Btn icon="arrow_left" label={locale('undo')} onClick={undo} />
 					<Btn icon="arrow_right" label={locale('redo')} onClick={redo} />
-					<Btn icon="plus_circle" label={locale('project.new_file')} onClick={onNewFile} />
-					<Btn icon="file" label={locale('project.save')} onClick={() => setFileSaving('menu')} />
+					<Btn icon="plus_circle" label={locale('project.new_file')} onClick={newEmptyFile} />
+					<Btn icon="file" label={locale('project.save')} onClick={() => saveFile('menu')} />
 				</BtnMenu>
 			</div>
 			{error && <ErrorPanel error={error} onDismiss={() => setError(null)} />}
-			<Tree {...{model, version, blockStates}} onError={setError} />
+			{docError
+				? <ErrorPanel error={docError} />
+				: <FileView docAndNode={docLoading ? undefined : docAndNode} />}
 			<Footer donate={!gen.tags?.includes('partners')} />
 		</main>
 		<div class="popup-actions right-actions" style={`--offset: -${8 + actionsShown * 50}px;`}>
@@ -356,10 +405,10 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 			</div>
 		</div>
 		<div class={`popup-preview${previewShown ? ' shown' : ''}`}>
-			<PreviewPanel {...{model, version, id: gen.id}} shown={previewShown} onError={setError} />
+			<PreviewPanel docAndNode={docAndNode} id={gen.id} shown={previewShown} onError={setError} />
 		</div>
 		<div class={`popup-source${sourceShown ? ' shown' : ''}`}>
-			<SourcePanel {...{model, blockStates, doCopy, doDownload, doImport}} name={gen.schema ?? 'data'} copySuccess={copySuccess} onError={setError} />
+			<SourcePanel docAndNode={docAndNode} {...{doCopy, doDownload, doImport}} copySuccess={copySuccess} onError={setError} />
 		</div>
 		<div class={`popup-share${shareShown ? ' shown' : ''}`}>
 			<TextInput value={shareUrl} readonly />
@@ -370,12 +419,9 @@ export function SchemaGenerator({ gen, allowedVersions }: Props) {
 				{projectShown ? Octicon.chevron_left : Octicon.repo}
 			</div>
 		</div>
-		<div class={`popup-project${projectShown ? ' shown' : ''}`}>
-			<ProjectPanel {...{model, version, id: gen.id}} onError={setError} onDeleteProject={() => setprojectDeleting(true)} onRename={setFileRenaming} onCreate={() => setProjectCreating(true)} />
+		<div class={`popup-project${projectShown ? ' shown' : ''}`} style={`width: ${realPanelWidth}px`}>
+			<ProjectPanel/>
+			<div class="panel-resize" onMouseDown={(e) => setResizeStart(e.clientX - panelWidth)}></div>
 		</div>
-		{projectCreating && <ProjectCreation onClose={() => setProjectCreating(false)} />}
-		{projectDeleting && <ProjectDeletion onClose={() => setprojectDeleting(false)} />}
-		{model && fileSaving && <FileCreation id={gen.id} model={model} method={fileSaving} onClose={() => setFileSaving(undefined)} />}
-		{fileRenaming && <FileRenaming id={fileRenaming.type } name={fileRenaming.id} onClose={() => setFileRenaming(undefined)} />}
 	</>
 }
diff --git a/src/app/components/generator/SourcePanel.tsx b/src/app/components/generator/SourcePanel.tsx
index 643618b1..5a9bf511 100644
--- a/src/app/components/generator/SourcePanel.tsx
+++ b/src/app/components/generator/SourcePanel.tsx
@@ -1,10 +1,10 @@
-import { DataModel } from '@mcschema/core'
+import type { DocAndNode } from '@spyglassmc/core'
+import { fileUtil } from '@spyglassmc/core'
 import { useCallback, useEffect, useRef, useState } from 'preact/hooks'
 import { useLocale } from '../../contexts/index.js'
-import { useLocalStorage, useModel } from '../../hooks/index.js'
-import { getOutput } from '../../schema/transformOutput.js'
-import type { BlockStateRegistry } from '../../services/index.js'
-import { getSourceFormats, getSourceIndent, getSourceIndents, parseSource, sortData, stringifySource } from '../../services/index.js'
+import { useDocAndNode, useSpyglass } from '../../contexts/Spyglass.jsx'
+import { useLocalStorage } from '../../hooks/index.js'
+import { getSourceFormats, getSourceIndent, getSourceIndents, parseSource, stringifySource } from '../../services/index.js'
 import { Store } from '../../Store.js'
 import { message } from '../../Utils.js'
 import { Btn, BtnMenu } from '../index.js'
@@ -17,17 +17,16 @@ interface Editor {
 }
 
 type SourcePanelProps = {
-	name: string,
-	model: DataModel | undefined,
-	blockStates: BlockStateRegistry | undefined,
+	docAndNode: DocAndNode | undefined,
 	doCopy?: number,
 	doDownload?: number,
 	doImport?: number,
 	copySuccess: () => unknown,
 	onError: (message: string | Error) => unknown,
 }
-export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doImport, copySuccess, onError }: SourcePanelProps) {
+export function SourcePanel({ docAndNode, doCopy, doDownload, doImport, copySuccess, onError }: SourcePanelProps) {
 	const { locale } = useLocale()
+	const { service } = useSpyglass()
 	const [indent, setIndent] = useState(Store.getIndent())
 	const [format, setFormat] = useState(Store.getFormat())
 	const [sort, setSort] = useLocalStorage('misode_output_sort', 'schema')
@@ -40,20 +39,23 @@ export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doIm
 	const textarea = useRef<HTMLTextAreaElement>(null)
 	const editor = useRef<Editor>()
 
-	const getSerializedOutput = useCallback((model: DataModel, blockStates: BlockStateRegistry) => {
-		let data = getOutput(model, blockStates)
-		if (sort === 'alphabetically') {
-			data = sortData(data)
-		}
-		return stringifySource(data, format, indent)
+	const getSerializedOutput = useCallback((text: string) => {
+		// TODO: implement sort
+		// if (sort === 'alphabetically') {
+		// 	data = sortData(data)
+		// }
+		return stringifySource(text, format, indent)
 	}, [indent, format, sort])
 
+	const text = useDocAndNode(docAndNode)?.doc.getText()
+	
 	useEffect(() => {
 		retransform.current = () => {
-			if (!editor.current) return
-			if (!model || !blockStates) return
+			if (!editor.current || text === undefined) {
+				return
+			}
 			try {
-				const output = getSerializedOutput(model, blockStates)
+				const output = getSerializedOutput(text)
 				editor.current.setValue(output)
 			} catch (e) {
 				if (e instanceof Error) {
@@ -71,9 +73,10 @@ export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doIm
 			if (!editor.current) return
 			const value = editor.current.getValue()
 			if (value.length === 0) return
+			if (!service || !docAndNode) return
 			try {
-				const data = await parseSource(value, format)
-				model?.reset(DataModel.wrapLists(data), false)
+				const text = await parseSource(value, format)
+				await service.writeFile(docAndNode.doc.uri, text)
 			} catch (e) {
 				if (e instanceof Error) {
 					e.message = `Error importing: ${e.message}`
@@ -84,7 +87,7 @@ export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doIm
 				console.error(e)
 			}
 		}
-	}, [model, blockStates, indent, format, sort, highlighting])
+	}, [service, docAndNode, text, indent, format, sort, highlighting])
 
 	useEffect(() => {
 		if (highlighting) {
@@ -145,14 +148,11 @@ export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doIm
 		}
 	}, [highlighting])
 
-	useModel(model, () => {
-		if (!retransform.current) return
-		retransform.current()
-	})
 	useEffect(() => {
-		if (!retransform.current) return
-		if (model) retransform.current()
-	}, [model])
+		if (retransform.current && text !== undefined) {
+			retransform.current()
+		}
+	}, [text])
 
 	useEffect(() => {
 		if (!editor.current || !retransform.current) return
@@ -163,18 +163,18 @@ export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doIm
 	}, [indent, format, sort, highlighting, braceLoaded])
 
 	useEffect(() => {
-		if (doCopy && model && blockStates) {
-			navigator.clipboard.writeText(getSerializedOutput(model, blockStates)).then(() => {
+		if (doCopy && text !== undefined) {
+			navigator.clipboard.writeText(getSerializedOutput(text)).then(() => {
 				copySuccess()
 			})
 		}
-	}, [doCopy])
+	}, [doCopy, text])
 
 	useEffect(() => {
-		if (doDownload && model && blockStates && download.current) {
-			const content = encodeURIComponent(getSerializedOutput(model, blockStates))
+		if (doDownload && docAndNode && text !== undefined && download.current) {
+			const content = encodeURIComponent(getSerializedOutput(text))
 			download.current.setAttribute('href', `data:text/json;charset=utf-8,${content}`)
-			const fileName = name === 'pack_mcmeta' ? 'pack.mcmeta' : `${name}.${format}`
+			const fileName = fileUtil.basename(docAndNode.doc.uri)
 			download.current.setAttribute('download', fileName)
 			download.current.click()
 		}
@@ -215,7 +215,7 @@ export function SourcePanel({ name, model, blockStates, doCopy, doDownload, doIm
 			{window.matchMedia('(pointer: coarse)').matches && <>
 				<Btn icon="paste" onClick={importFromClipboard} />
 			</>}
-			<BtnMenu icon="gear" tooltip={locale('output_settings')} data-cy="source-controls">
+			<BtnMenu icon="gear" tooltip={locale('output_settings')}>
 				{getSourceIndents().map(key =>
 					<Btn label={locale(`indentation.${key}`)} active={indent === key}
 						onClick={() => changeIndent(key)}/>
diff --git a/src/app/components/generator/Tree.tsx b/src/app/components/generator/Tree.tsx
deleted file mode 100644
index 3f955c98..00000000
--- a/src/app/components/generator/Tree.tsx
+++ /dev/null
@@ -1,32 +0,0 @@
-import type { DataModel } from '@mcschema/core'
-import { useErrorBoundary, useState } from 'preact/hooks'
-import { useLocale } from '../../contexts/index.js'
-import { useModel } from '../../hooks/index.js'
-import { FullNode } from '../../schema/renderHtml.js'
-import type { BlockStateRegistry, VersionId } from '../../services/index.js'
-
-type TreePanelProps = {
-	version: VersionId,
-	model: DataModel | undefined,
-	blockStates: BlockStateRegistry | undefined,
-	onError: (message: string) => unknown,
-}
-export function Tree({ version, model, blockStates, onError }: TreePanelProps) {
-	const { lang } = useLocale()
-	if (!model || !blockStates || lang === 'none') return <></>
-
-	const [error] = useErrorBoundary(e => {
-		onError(`Error rendering the tree: ${e.message}`)
-		console.error(e)
-	})
-	if (error) return <></>
-
-	const [, setState] = useState(0)
-	useModel(model, () => {
-		setState(state => state + 1)
-	})
-
-	return <div class="tree" data-cy="tree">
-		<FullNode {...{model, lang, version, blockStates}}/>
-	</div>
-}
diff --git a/src/app/components/generator/index.ts b/src/app/components/generator/index.ts
index 5587369e..48a53879 100644
--- a/src/app/components/generator/index.ts
+++ b/src/app/components/generator/index.ts
@@ -1,10 +1,11 @@
 export * from './FileCreation.js'
 export * from './FileRenaming.js'
+export * from './FileView.jsx'
 export * from './GeneratorCard.jsx'
 export * from './GeneratorList.jsx'
+export * from './JsonFileView.jsx'
 export * from './PreviewPanel.js'
 export * from './ProjectCreation.js'
 export * from './ProjectDeletion.js'
 export * from './ProjectPanel.js'
 export * from './SourcePanel.js'
-export * from './Tree.js'
diff --git a/src/app/components/previews/BiomeSourcePreview.tsx b/src/app/components/previews/BiomeSourcePreview.tsx
index 63275888..ac01c061 100644
--- a/src/app/components/previews/BiomeSourcePreview.tsx
+++ b/src/app/components/previews/BiomeSourcePreview.tsx
@@ -1,12 +1,11 @@
-import { DataModel } from '@mcschema/core'
 import { clampedMap } from 'deepslate'
 import { mat3 } from 'gl-matrix'
 import { useCallback, useRef, useState } from 'preact/hooks'
-import { getProjectData, useLocale, useProject, useStore } from '../../contexts/index.js'
+import { getWorldgenProjectData, useLocale, useProject, useStore, useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/index.js'
-import { checkVersion } from '../../services/Schemas.js'
+import { checkVersion } from '../../services/Versions.js'
 import { Store } from '../../Store.js'
-import { iterateWorld2D, randomSeed, stringToColor } from '../../Utils.js'
+import { iterateWorld2D, randomSeed, safeJsonParse, stringToColor } from '../../Utils.js'
 import { Btn, BtnMenu, NumberInput } from '../index.js'
 import type { ColormapType } from './Colormap.js'
 import { getColormap } from './Colormap.js'
@@ -21,8 +20,9 @@ type Layer = typeof LAYERS[number]
 const DETAIL_DELAY = 300
 const DETAIL_SCALE = 2
 
-export const BiomeSourcePreview = ({ data, shown, version }: PreviewProps) => {
+export const BiomeSourcePreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { locale } = useLocale()
+	const { version } = useVersion()
 	const { project } = useProject()
 	const { biomeColors } = useStore()
 	const [seed, setSeed] = useState(randomSeed())
@@ -31,18 +31,20 @@ export const BiomeSourcePreview = ({ data, shown, version }: PreviewProps) => {
 	const [focused, setFocused] = useState<string[]>([])
 	const [focused2, setFocused2] = useState<string[]>([])
 
-	const state = JSON.stringify(data)
+	const text = docAndNode.doc.getText()
+	const data = safeJsonParse(text) ?? {}
 	const type: string = data?.generator?.biome_source?.type?.replace(/^minecraft:/, '') ?? ''
 	const hasRandomness = type === 'multi_noise' || type === 'the_end'
 
 	const { value } = useAsync(async function loadBiomeSource() {
-		await DEEPSLATE.loadVersion(version, getProjectData(project))
-		await DEEPSLATE.loadChunkGenerator(DataModel.unwrapLists(data?.generator?.settings), DataModel.unwrapLists(data?.generator?.biome_source), seed)
+		const projectData = await getWorldgenProjectData(project)
+		await DEEPSLATE.loadVersion(version, projectData)
+		await DEEPSLATE.loadChunkGenerator(data?.generator?.settings, data?.generator?.biome_source, seed)
 		return {
 			biomeSource: { loaded: true },
 			noiseRouter: checkVersion(version, '1.19') ? DEEPSLATE.getNoiseRouter() : undefined,
 		}
-	}, [state, seed, project, version])
+	}, [text, seed, project, version])
 	const { biomeSource, noiseRouter } = value ?? {}
 
 	const actualLayer = noiseRouter ? layer : 'biomes'
diff --git a/src/app/components/previews/BlockStatePreview.tsx b/src/app/components/previews/BlockStatePreview.tsx
index 89575fb5..45fe000a 100644
--- a/src/app/components/previews/BlockStatePreview.tsx
+++ b/src/app/components/previews/BlockStatePreview.tsx
@@ -1,4 +1,3 @@
-import { DataModel } from '@mcschema/core'
 import { BlockDefinition, Identifier, Structure, StructureRenderer } from 'deepslate/render'
 import type { mat4 } from 'gl-matrix'
 import { useCallback, useRef } from 'preact/hooks'
@@ -6,19 +5,21 @@ import { useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/useAsync.js'
 import { AsyncCancel } from '../../hooks/useAsyncFn.js'
 import { getResources, ResourceWrapper } from '../../services/Resources.js'
+import { safeJsonParse } from '../../Utils.js'
 import type { PreviewProps } from './index.js'
 import { InteractiveCanvas3D } from './InteractiveCanvas3D.jsx'
 
 const PREVIEW_ID = Identifier.parse('misode:preview')
 
-export const BlockStatePreview = ({ data, shown }: PreviewProps) => {
+export const BlockStatePreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { version } = useVersion()
-	const serializedData = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const { value: resources } = useAsync(async () => {
 		if (!shown) return AsyncCancel
 		const resources = await getResources(version)
-		const definition = BlockDefinition.fromJson(DataModel.unwrapLists(data))
+		const definition = BlockDefinition.fromJson(safeJsonParse(text) ?? {})
 		const wrapper = new ResourceWrapper(resources, {
 			getBlockDefinition(id) {
 				if (id.equals(PREVIEW_ID)) return definition
@@ -26,7 +27,7 @@ export const BlockStatePreview = ({ data, shown }: PreviewProps) => {
 			},
 		})
 		return wrapper
-	}, [shown, version, serializedData])
+	}, [shown, version, text])
 
 	const renderer = useRef<StructureRenderer | undefined>(undefined)
 
diff --git a/src/app/components/previews/Decorator.ts b/src/app/components/previews/Decorator.ts
index 23a26de4..f3a37820 100644
--- a/src/app/components/previews/Decorator.ts
+++ b/src/app/components/previews/Decorator.ts
@@ -1,9 +1,8 @@
-import { DataModel } from '@mcschema/core'
 import type { BlockPos, ChunkPos, PerlinNoise, Random } from 'deepslate/worldgen'
-import type { Color } from '../../Utils.js'
-import { clamp, isObject, stringToColor } from '../../Utils.js'
 import type { VersionId } from '../../services/index.js'
 import { checkVersion } from '../../services/index.js'
+import type { Color } from '../../Utils.js'
+import { clamp, isObject, stringToColor } from '../../Utils.js'
 
 export type Placement = [BlockPos, number]
 
@@ -38,9 +37,9 @@ export const featureColors: Color[] = [
 
 export function decorateChunk(pos: ChunkPos, state: any, ctx: PlacementContext): PlacedFeature[] {
 	if (checkVersion(ctx.version, undefined, '1.17')) {
-		getPlacements([pos[0] * 16, 0, pos[1] * 16], DataModel.unwrapLists(state), ctx)
+		getPlacements([pos[0] * 16, 0, pos[1] * 16], state, ctx)
 	} else {
-		modifyPlacement([pos[0] * 16, 0, pos[1] * 16], DataModel.unwrapLists(state.placement), ctx)
+		modifyPlacement([pos[0] * 16, 0, pos[1] * 16], state.placement, ctx)
 	}
 
 	return ctx.placements.map(([pos, i]) => {
@@ -63,7 +62,9 @@ function decorateY(pos: BlockPos, y: number): BlockPos[] {
 }
 
 export function sampleInt(value: any, ctx: PlacementContext): number {
-	if (typeof value === 'number') {
+	if (value === undefined) {
+		return 0
+	} else if (typeof value === 'number') {
 		return value
 	} else if (value.base) {
 		return value.base ?? 1 + ctx.nextInt(1 + (value.spread ?? 0))
diff --git a/src/app/components/previews/DecoratorPreview.tsx b/src/app/components/previews/DecoratorPreview.tsx
index 9b038e0d..f8a2d63d 100644
--- a/src/app/components/previews/DecoratorPreview.tsx
+++ b/src/app/components/previews/DecoratorPreview.tsx
@@ -1,18 +1,20 @@
 import { BlockPos, ChunkPos, LegacyRandom, PerlinNoise } from 'deepslate'
 import type { mat3 } from 'gl-matrix'
 import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
-import { useLocale } from '../../contexts/index.js'
-import { computeIfAbsent, iterateWorld2D, randomSeed } from '../../Utils.js'
+import { useLocale, useVersion } from '../../contexts/index.js'
+import { computeIfAbsent, iterateWorld2D, randomSeed, safeJsonParse } from '../../Utils.js'
 import { Btn } from '../index.js'
 import type { PlacedFeature, PlacementContext } from './Decorator.js'
 import { decorateChunk } from './Decorator.js'
 import type { PreviewProps } from './index.js'
 import { InteractiveCanvas2D } from './InteractiveCanvas2D.jsx'
 
-export const DecoratorPreview = ({ data, version, shown }: PreviewProps) => {
+export const DecoratorPreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { locale } = useLocale()
+	const { version } = useVersion()
 	const [seed, setSeed] = useState(randomSeed())
-	const state = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const { context, chunkFeatures } = useMemo(() => {
 		const random = new LegacyRandom(seed)
@@ -31,7 +33,7 @@ export const DecoratorPreview = ({ data, version, shown }: PreviewProps) => {
 			context,
 			chunkFeatures: new Map<string, PlacedFeature[]>(),
 		}
-	}, [state, version, seed])
+	}, [text, version, seed])
 
 	const ctx = useRef<CanvasRenderingContext2D>()
 	const imageData = useRef<ImageData>()
@@ -48,7 +50,7 @@ export const DecoratorPreview = ({ data, version, shown }: PreviewProps) => {
 	}, [])
 	const onDraw = useCallback(function onDraw(transform: mat3) {
 		if (!ctx.current || !imageData.current || !shown) return
-
+		const data = safeJsonParse(text) ?? {}
 		iterateWorld2D(imageData.current, transform, (x, y) => {
 			const pos = ChunkPos.create(Math.floor(x / 16), Math.floor(-y / 16))
 			const features = computeIfAbsent(chunkFeatures, `${pos[0]} ${pos[1]}`, () => decorateChunk(pos, data, context))
diff --git a/src/app/components/previews/Deepslate.ts b/src/app/components/previews/Deepslate.ts
index 7135dc7d..fd9ccbc6 100644
--- a/src/app/components/previews/Deepslate.ts
+++ b/src/app/components/previews/Deepslate.ts
@@ -1,7 +1,7 @@
 import * as deepslate19 from 'deepslate/worldgen'
-import { clamp, computeIfAbsent, computeIfAbsentAsync, deepClone, deepEqual, isObject, square } from '../../Utils.js'
 import type { VersionId } from '../../services/index.js'
 import { checkVersion, fetchAllPresets, fetchPreset } from '../../services/index.js'
+import { clamp, computeIfAbsent, computeIfAbsentAsync, deepClone, deepEqual, isObject, safeJsonParse, square } from '../../Utils.js'
 
 export type ProjectData = Record<string, Record<string, unknown>>
 
@@ -131,7 +131,7 @@ export class Deepslate {
 			const preset = biomeState.preset.replace(/^minecraft:/, '')
 			const biomes = await computeIfAbsentAsync(this.presetCache, `${version}-${preset}`, async () => {
 				const dimension = await fetchPreset(version, 'dimension', preset === 'overworld' ? 'overworld' : 'the_nether')
-				return dimension.generator.biome_source.biomes
+				return safeJsonParse(dimension)?.generator.biome_source.biomes
 			})
 			biomeState = { type: biomeState.type, biomes }
 		}
diff --git a/src/app/components/previews/DensityFunctionPreview.tsx b/src/app/components/previews/DensityFunctionPreview.tsx
index 4742e0dc..9dcaee74 100644
--- a/src/app/components/previews/DensityFunctionPreview.tsx
+++ b/src/app/components/previews/DensityFunctionPreview.tsx
@@ -1,13 +1,12 @@
-import { DataModel } from '@mcschema/core'
 import type { Voxel } from 'deepslate/render'
 import { clampedMap, VoxelRenderer } from 'deepslate/render'
 import type { mat3, mat4 } from 'gl-matrix'
 import { useCallback, useEffect, useRef, useState } from 'preact/hooks'
-import { getProjectData, useLocale, useProject, useVersion } from '../../contexts/index.js'
+import { getWorldgenProjectData, useLocale, useProject, useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/useAsync.js'
 import { useLocalStorage } from '../../hooks/useLocalStorage.js'
 import { Store } from '../../Store.js'
-import { iterateWorld2D, randomSeed } from '../../Utils.js'
+import { iterateWorld2D, randomSeed, safeJsonParse } from '../../Utils.js'
 import { Btn, BtnMenu, NumberInput } from '../index.js'
 import type { ColormapType } from './Colormap.js'
 import { getColormap } from './Colormap.js'
@@ -19,7 +18,7 @@ import { InteractiveCanvas3D } from './InteractiveCanvas3D.jsx'
 
 const MODES = ['side', 'top', '3d'] as const
 
-export const DensityFunctionPreview = ({ data, shown }: PreviewProps) => {
+export const DensityFunctionPreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { locale } = useLocale()
 	const { project } = useProject()
 	const { version } = useVersion()
@@ -29,13 +28,15 @@ export const DensityFunctionPreview = ({ data, shown }: PreviewProps) => {
 	const [seed, setSeed] = useState(randomSeed())
 	const [minY] = useState(0)
 	const [height] = useState(256)
-	const serializedData = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const { value: df } = useAsync(async () => {
-		await DEEPSLATE.loadVersion(version, getProjectData(project))
-		const df = DEEPSLATE.loadDensityFunction(DataModel.unwrapLists(data), minY, height, seed)
+		const projectData = await getWorldgenProjectData(project)
+		await DEEPSLATE.loadVersion(version, projectData)
+		const df = DEEPSLATE.loadDensityFunction(safeJsonParse(text) ?? {}, minY, height, seed)
 		return df
-	}, [version, project, minY, height, seed, serializedData])
+	}, [version, project, minY, height, seed, text])
 
 	// === 2D ===
 	const imageData = useRef<ImageData>()
diff --git a/src/app/components/previews/LootTable.ts b/src/app/components/previews/LootTable.ts
index 0d876178..9cdcbb5c 100644
--- a/src/app/components/previews/LootTable.ts
+++ b/src/app/components/previews/LootTable.ts
@@ -3,7 +3,7 @@ import type { Random } from 'deepslate/core'
 import { Identifier, ItemStack, LegacyRandom } from 'deepslate/core'
 import { NbtCompound, NbtInt, NbtList, NbtString, NbtTag } from 'deepslate/nbt'
 import { ResolvedItem } from '../../services/ResolvedItem.js'
-import type { VersionId } from '../../services/Schemas.js'
+import type { VersionId } from '../../services/Versions.js'
 import { clamp, getWeightedRandom, isObject, jsonToNbt } from '../../Utils.js'
 
 export interface SlottedItem {
@@ -122,8 +122,11 @@ function shuffle<T>(array: T[], ctx: LootContext) {
 }
 
 function generateTable(table: any, consumer: ItemConsumer, ctx: LootContext) {
+	if (!Array.isArray(table.pools)) {
+		return
+	}
 	const tableConsumer = decorateFunctions(table.functions ?? [], consumer, ctx)
-	for (const pool of table.pools ?? []) {
+	for (const pool of table.pools) {
 		generatePool(pool, tableConsumer, ctx)
 	}
 }
@@ -383,6 +386,9 @@ const LootFunctions: Record<string, (params: any) => LootFunction> = {
 		item.set('written_book_content', newContent)
 	},
 	set_components: ({ components }) => (item) => {
+		if (typeof components !== 'object' || components === null) {
+			return
+		}
 		for (const [key, value] of Object.entries(components)) {
 			item.set(key, jsonToNbt(value))
 		}
@@ -510,6 +516,9 @@ function testCondition(condition: any, ctx: LootContext): boolean {
 	if (Array.isArray(condition)) {
 		return composeConditions(condition)(ctx)
 	}
+	if (!isObject(condition) || typeof condition.condition !== 'string') {
+		return false
+	}
 	const type = condition.condition?.replace(/^minecraft:/, '')
 	return (LootConditions[type]?.(condition) ?? (() => true))(ctx)
 }
diff --git a/src/app/components/previews/LootTable1204.ts b/src/app/components/previews/LootTable1204.ts
index 27aa7501..fb901844 100644
--- a/src/app/components/previews/LootTable1204.ts
+++ b/src/app/components/previews/LootTable1204.ts
@@ -1,7 +1,7 @@
 import type { Random } from 'deepslate-1.20.4/core'
 import { Enchantment, Identifier, ItemStack, LegacyRandom } from 'deepslate-1.20.4/core'
 import { NbtCompound, NbtInt, NbtList, NbtShort, NbtString, NbtTag, NbtType } from 'deepslate-1.20.4/nbt'
-import type { VersionId } from '../../services/Schemas.js'
+import type { VersionId } from '../../services/Versions.js'
 import { clamp, getWeightedRandom, isObject } from '../../Utils.js'
 
 export interface SlottedItem {
@@ -117,8 +117,11 @@ function shuffle<T>(array: T[], ctx: LootContext) {
 }
 
 function generateTable(table: any, consumer: ItemConsumer, ctx: LootContext) {
+	if (!Array.isArray(table.pools)) {
+		return
+	}
 	const tableConsumer = decorateFunctions(table.functions ?? [], consumer, ctx)
-	for (const pool of table.pools ?? []) {
+	for (const pool of table.pools) {
 		generatePool(pool, tableConsumer, ctx)
 	}
 }
diff --git a/src/app/components/previews/LootTablePreview.tsx b/src/app/components/previews/LootTablePreview.tsx
index 60c68fe5..0d0d575d 100644
--- a/src/app/components/previews/LootTablePreview.tsx
+++ b/src/app/components/previews/LootTablePreview.tsx
@@ -1,10 +1,9 @@
-import { DataModel } from '@mcschema/core'
 import { Identifier } from 'deepslate'
 import { useMemo, useRef, useState } from 'preact/hooks'
 import { useLocale, useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/useAsync.js'
 import { checkVersion, fetchAllPresets, fetchItemComponents } from '../../services/index.js'
-import { clamp, jsonToNbt, randomSeed } from '../../Utils.js'
+import { clamp, jsonToNbt, randomSeed, safeJsonParse } from '../../Utils.js'
 import { Btn, BtnMenu, NumberInput } from '../index.js'
 import { ItemDisplay } from '../ItemDisplay.jsx'
 import { ItemDisplay1204 } from '../ItemDisplay1204.jsx'
@@ -12,7 +11,7 @@ import type { PreviewProps } from './index.js'
 import { generateLootTable } from './LootTable.js'
 import { generateLootTable as generateLootTable1204 } from './LootTable1204.js'
 
-export const LootTablePreview = ({ data }: PreviewProps) => {
+export const LootTablePreview = ({ docAndNode }: PreviewProps) => {
 	const { locale } = useLocale()
 	const { version } = useVersion()
 	const use1204 = !checkVersion(version, '1.20.5')
@@ -35,13 +34,13 @@ export const LootTablePreview = ({ data }: PreviewProps) => {
 		])
 	}, [version])
 
-	const table = DataModel.unwrapLists(data)
-	const state = JSON.stringify(table)
+	const text = docAndNode.doc.getText()
 	const items = useMemo(() => {
 		if (dependencies === undefined || loading) {
 			return []
 		}
 		const [itemTags, lootTables, itemComponents, enchantments, enchantmentTags] = dependencies
+		const table = safeJsonParse(text) ?? {}
 		if (use1204) {
 			return generateLootTable1204(table, {
 				version, seed, luck, daytime, weather,
@@ -61,7 +60,7 @@ export const LootTablePreview = ({ data }: PreviewProps) => {
 			getEnchantmentTag: (id) => (enchantmentTags?.get(id.replace(/^minecraft:/, '')) as any)?.values ?? [],
 			getBaseComponents: (id) => new Map([...(itemComponents?.get(Identifier.parse(id).toString()) ?? new Map()).entries()].map(([k, v]) => [k, jsonToNbt(v)])),
 		})
-	}, [version, seed, luck, daytime, weather, mixItems, state, dependencies, loading])
+	}, [version, seed, luck, daytime, weather, mixItems, text, dependencies, loading])
 
 	return <>
 		<div ref={overlay} class="preview-overlay">
diff --git a/src/app/components/previews/ModelPreview.tsx b/src/app/components/previews/ModelPreview.tsx
index 9c440f32..3f9ca064 100644
--- a/src/app/components/previews/ModelPreview.tsx
+++ b/src/app/components/previews/ModelPreview.tsx
@@ -1,4 +1,3 @@
-import { DataModel } from '@mcschema/core'
 import { BlockDefinition, BlockModel, Identifier, Structure, StructureRenderer } from 'deepslate/render'
 import type { mat4 } from 'gl-matrix'
 import { useCallback, useRef } from 'preact/hooks'
@@ -6,33 +5,35 @@ import { useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/useAsync.js'
 import { AsyncCancel } from '../../hooks/useAsyncFn.js'
 import { getResources, ResourceWrapper } from '../../services/Resources.js'
+import { safeJsonParse } from '../../Utils.js'
 import type { PreviewProps } from './index.js'
 import { InteractiveCanvas3D } from './InteractiveCanvas3D.jsx'
 
 const PREVIEW_ID = Identifier.parse('misode:preview')
 const PREVIEW_DEFINITION = new BlockDefinition({ '': { model: PREVIEW_ID.toString() }}, undefined)
 
-export const ModelPreview = ({ data, shown }: PreviewProps) => {
+export const ModelPreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { version } = useVersion()
-	const serializedData = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const { value: resources } = useAsync(async () => {
 		if (!shown) return AsyncCancel
 		const resources = await getResources(version)
-		const model = BlockModel.fromJson(DataModel.unwrapLists(data))
-		model.flatten(resources)
+		const blockModel = BlockModel.fromJson(safeJsonParse(text) ?? {})
+		blockModel.flatten(resources)
 		const wrapper = new ResourceWrapper(resources, {
 			getBlockDefinition(id) {
 				if (id.equals(PREVIEW_ID)) return PREVIEW_DEFINITION
 				return null
 			},
 			getBlockModel(id) {
-				if (id.equals(PREVIEW_ID)) return model
+				if (id.equals(PREVIEW_ID)) return blockModel
 				return null
 			},
 		})
 		return wrapper
-	}, [shown, version, serializedData])
+	}, [shown, version, text])
 
 	const renderer = useRef<StructureRenderer | undefined>(undefined)
 
diff --git a/src/app/components/previews/NoisePreview.tsx b/src/app/components/previews/NoisePreview.tsx
index 097d83f2..cefc07f9 100644
--- a/src/app/components/previews/NoisePreview.tsx
+++ b/src/app/components/previews/NoisePreview.tsx
@@ -1,10 +1,9 @@
-import { DataModel } from '@mcschema/core'
 import { clampedMap, NoiseParameters, NormalNoise, XoroshiroRandom } from 'deepslate'
 import type { mat3 } from 'gl-matrix'
 import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
 import { useLocale } from '../../contexts/index.js'
 import { Store } from '../../Store.js'
-import { iterateWorld2D, randomSeed } from '../../Utils.js'
+import { iterateWorld2D, randomSeed, safeJsonParse } from '../../Utils.js'
 import { Btn } from '../index.js'
 import type { ColormapType } from './Colormap.js'
 import { getColormap } from './Colormap.js'
@@ -12,16 +11,17 @@ import { ColormapSelector } from './ColormapSelector.jsx'
 import type { PreviewProps } from './index.js'
 import { InteractiveCanvas2D } from './InteractiveCanvas2D.jsx'
 
-export const NoisePreview = ({ data, shown }: PreviewProps) => {
+export const NoisePreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { locale } = useLocale()
 	const [seed, setSeed] = useState(randomSeed())
-	const state = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const noise = useMemo(() => {
 		const random = XoroshiroRandom.create(seed)
-		const params = NoiseParameters.fromJson(DataModel.unwrapLists(data))
+		const params = NoiseParameters.fromJson(safeJsonParse(text) ?? {})
 		return new NormalNoise(random, params)
-	}, [state, seed])
+	}, [text, seed])
 
 	const imageData = useRef<ImageData>()
 	const ctx = useRef<CanvasRenderingContext2D>()
diff --git a/src/app/components/previews/NoiseSettingsPreview.tsx b/src/app/components/previews/NoiseSettingsPreview.tsx
index a75a25e3..147a4c69 100644
--- a/src/app/components/previews/NoiseSettingsPreview.tsx
+++ b/src/app/components/previews/NoiseSettingsPreview.tsx
@@ -1,38 +1,40 @@
-import { DataModel } from '@mcschema/core'
 import { clampedMap } from 'deepslate'
 import type { mat3 } from 'gl-matrix'
 import { vec2 } from 'gl-matrix'
-import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
-import { Store } from '../../Store.js'
-import { iterateWorld2D, randomSeed } from '../../Utils.js'
-import { getProjectData, useLocale, useProject } from '../../contexts/index.js'
+import { useCallback, useRef, useState } from 'preact/hooks'
+import { getWorldgenProjectData, useLocale, useProject, useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/index.js'
-import { CachedCollections } from '../../services/index.js'
+import { fetchRegistries } from '../../services/index.js'
+import { Store } from '../../Store.js'
+import { iterateWorld2D, randomSeed, safeJsonParse } from '../../Utils.js'
 import { Btn, BtnInput, BtnMenu, ErrorPanel } from '../index.js'
 import type { ColormapType } from './Colormap.js'
 import { getColormap } from './Colormap.js'
 import { ColormapSelector } from './ColormapSelector.jsx'
 import { DEEPSLATE } from './Deepslate.js'
-import { InteractiveCanvas2D } from './InteractiveCanvas2D.jsx'
 import type { PreviewProps } from './index.js'
+import { InteractiveCanvas2D } from './InteractiveCanvas2D.jsx'
 
-export const NoiseSettingsPreview = ({ data, shown, version }: PreviewProps) => {
+export const NoiseSettingsPreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { locale } = useLocale()
+	const { version } = useVersion()
 	const { project } = useProject()
 	const [seed, setSeed] = useState(randomSeed())
 	const [biome, setBiome] = useState('minecraft:plains')
 	const [layer, setLayer] = useState('terrain')
-	const state = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const { value, error } = useAsync(async () => {
-		const unwrapped = DataModel.unwrapLists(data)
-		await DEEPSLATE.loadVersion(version, getProjectData(project))
+		const data = safeJsonParse(text) ?? {}
+		const projectData = await getWorldgenProjectData(project)
+		await DEEPSLATE.loadVersion(version, projectData)
 		const biomeSource = { type: 'fixed', biome }
-		await DEEPSLATE.loadChunkGenerator(unwrapped, biomeSource, seed)
+		await DEEPSLATE.loadChunkGenerator(data, biomeSource, seed)
 		const noiseSettings = DEEPSLATE.getNoiseSettings()
-		const finalDensity = DEEPSLATE.loadDensityFunction(unwrapped?.noise_router?.final_density, noiseSettings.minY, noiseSettings.height, seed)
+		const finalDensity = DEEPSLATE.loadDensityFunction(data?.noise_router?.final_density, noiseSettings.minY, noiseSettings.height, seed)
 		return { noiseSettings, finalDensity }
-	}, [state, seed, version, project, biome])
+	}, [text, seed, version, project, biome])
 	const { noiseSettings, finalDensity } = value ?? {}
 
 	const imageData = useRef<ImageData>()
@@ -86,7 +88,10 @@ export const NoiseSettingsPreview = ({ data, shown, version }: PreviewProps) =>
 		}
 	}, [noiseSettings, finalDensity])
 
-	const allBiomes = useMemo(() => CachedCollections?.get('worldgen/biome') ?? [], [version])
+	const { value: allBiomes } = useAsync(async () => {
+		const registries = await fetchRegistries(version)
+		return registries.get('worldgen/biome')
+	}, [version])
 
 	if (error) {
 		return <ErrorPanel error={error} prefix="Failed to initialize preview: " />
diff --git a/src/app/components/previews/RecipePreview.tsx b/src/app/components/previews/RecipePreview.tsx
index 9eaccba8..b4c19b2e 100644
--- a/src/app/components/previews/RecipePreview.tsx
+++ b/src/app/components/previews/RecipePreview.tsx
@@ -1,19 +1,19 @@
-import { DataModel } from '@mcschema/core'
 import { Identifier, ItemStack } from 'deepslate'
 import { useEffect, useMemo, useRef, useState } from 'preact/hooks'
-import { useLocale } from '../../contexts/index.js'
+import { useLocale, useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/useAsync.js'
 import type { VersionId } from '../../services/index.js'
 import { checkVersion, fetchAllPresets } from '../../services/index.js'
-import { jsonToNbt } from '../../Utils.js'
+import { jsonToNbt, safeJsonParse } from '../../Utils.js'
 import { Btn, BtnMenu } from '../index.js'
 import { ItemDisplay } from '../ItemDisplay.jsx'
 import type { PreviewProps } from './index.js'
 
 const ANIMATION_TIME = 1000
 
-export const RecipePreview = ({ data, version }: PreviewProps) => {
+export const RecipePreview = ({ docAndNode }: PreviewProps) => {
 	const { locale } = useLocale()
+	const { version } = useVersion()
 	const [advancedTooltips, setAdvancedTooltips] = useState(true)
 	const [animation, setAnimation] = useState(0)
 	const overlay = useRef<HTMLDivElement>(null)
@@ -29,14 +29,14 @@ export const RecipePreview = ({ data, version }: PreviewProps) => {
 		return () => clearInterval(interval)
 	}, [])
 
-	const recipe = DataModel.unwrapLists(data)
-	const state = JSON.stringify(recipe)
+	const text = docAndNode.doc.getText()
+	const recipe = safeJsonParse(text) ?? {}
 	const items = useMemo<Map<Slot, ItemStack>>(() => {
 		return placeItems(version, recipe, animation, itemTags ?? new Map())
-	}, [state, animation, itemTags])
+	}, [text, animation, itemTags])
 
 	const gui = useMemo(() => {
-		const type = recipe.type?.replace(/^minecraft:/, '')
+		const type = recipe?.type?.replace(/^minecraft:/, '')
 		if (type === 'smelting' || type === 'blasting' || type === 'smoking' || type === 'campfire_cooking') {
 			return '/images/furnace.png'
 		} else if (type === 'stonecutting') {
@@ -46,7 +46,7 @@ export const RecipePreview = ({ data, version }: PreviewProps) => {
 		} else {
 			return '/images/crafting_table.png'
 		}
-	}, [state])
+	}, [text])
 
 	return <>
 		<div ref={overlay} class="preview-overlay">
diff --git a/src/app/components/previews/StructureSetPreview.tsx b/src/app/components/previews/StructureSetPreview.tsx
index 451d563c..2d2d01c0 100644
--- a/src/app/components/previews/StructureSetPreview.tsx
+++ b/src/app/components/previews/StructureSetPreview.tsx
@@ -1,28 +1,29 @@
-import { DataModel } from '@mcschema/core'
 import type { Identifier } from 'deepslate'
 import { ChunkPos } from 'deepslate'
 import type { mat3 } from 'gl-matrix'
 import { useCallback, useMemo, useRef, useState } from 'preact/hooks'
-import type { Color } from '../../Utils.js'
-import { computeIfAbsent, iterateWorld2D, randomSeed, stringToColor } from '../../Utils.js'
-import { useLocale } from '../../contexts/index.js'
+import { useLocale, useVersion } from '../../contexts/index.js'
 import { useAsync } from '../../hooks/useAsync.js'
+import type { Color } from '../../Utils.js'
+import { computeIfAbsent, iterateWorld2D, randomSeed, safeJsonParse, stringToColor } from '../../Utils.js'
 import { Btn } from '../index.js'
 import { featureColors } from './Decorator.js'
 import { DEEPSLATE } from './Deepslate.js'
-import { InteractiveCanvas2D } from './InteractiveCanvas2D.jsx'
 import type { PreviewProps } from './index.js'
+import { InteractiveCanvas2D } from './InteractiveCanvas2D.jsx'
 
-export const StructureSetPreview = ({ data, version, shown }: PreviewProps) => {
+export const StructureSetPreview = ({ docAndNode, shown }: PreviewProps) => {
 	const { locale } = useLocale()
+	const { version } = useVersion()
 	const [seed, setSeed] = useState(randomSeed())
-	const state = JSON.stringify(data)
+
+	const text = docAndNode.doc.getText()
 
 	const { value: structureSet } = useAsync(async () => {
 		await DEEPSLATE.loadVersion(version)
-		const structureSet = DEEPSLATE.loadStructureSet(DataModel.unwrapLists(data), seed)
+		const structureSet = DEEPSLATE.loadStructureSet(safeJsonParse(text) ?? {}, seed)
 		return structureSet
-	}, [state, version, seed])
+	}, [text, version, seed])
 
 	const { chunkStructures, structureColors } = useMemo(() => {
 		return {
diff --git a/src/app/components/previews/index.ts b/src/app/components/previews/index.ts
index abadf129..70e3ada0 100644
--- a/src/app/components/previews/index.ts
+++ b/src/app/components/previews/index.ts
@@ -1,5 +1,4 @@
-import type { DataModel } from '@mcschema/core'
-import type { VersionId } from '../../services/index.js'
+import type { DocAndNode } from '@spyglassmc/core'
 
 export * from './BiomeSourcePreview.js'
 export * from './BlockStatePreview.jsx'
@@ -12,9 +11,7 @@ export * from './NoiseSettingsPreview.js'
 export * from './RecipePreview.jsx'
 export * from './StructureSetPreview.jsx'
 
-export type PreviewProps = {
-	model: DataModel,
-	data: any,
-	shown: boolean,
-	version: VersionId,
+export interface PreviewProps {
+	docAndNode: DocAndNode
+	shown: boolean
 }
diff --git a/src/app/contexts/Locale.tsx b/src/app/contexts/Locale.tsx
index 1b40eb5f..596253a5 100644
--- a/src/app/contexts/Locale.tsx
+++ b/src/app/contexts/Locale.tsx
@@ -46,13 +46,7 @@ async function loadLocale(language: string) {
 	const langConfig = config.languages.find(lang => lang.code === language)
 	if (!langConfig) return
 	const data = await import(`../../locales/${language}.json`)
-	const schema = langConfig.schemas !== false
-		&& await import(`../../../node_modules/@mcschema/locales/src/${language}.json`)
-	let partners = { default: {} }
-	if (language === 'en') {
-		partners = await import('../partners/locales/en.json')
-	}
-	Locales[language] = { ...data.default, ...schema.default, ...partners.default }
+	Locales[language] = data.default
 }
 
 export function useLocale() {
diff --git a/src/app/contexts/Modal.tsx b/src/app/contexts/Modal.tsx
new file mode 100644
index 00000000..806db1c9
--- /dev/null
+++ b/src/app/contexts/Modal.tsx
@@ -0,0 +1,40 @@
+import type { ComponentChildren, FunctionComponent } from 'preact'
+import { createContext } from 'preact'
+import { useCallback, useContext, useState } from 'preact/hooks'
+
+interface ModalContext {
+	showModal: (component: FunctionComponent) => void
+	hideModal: () => void
+}
+
+const ModalContext = createContext<ModalContext | undefined>(undefined)
+
+export function useModal() {
+	const context = useContext(ModalContext)
+	if (context === undefined) {
+		throw new Error('Cannot use modal context')
+	}
+	return context
+}
+
+export function ModalProvider({ children }: { children: ComponentChildren }) {
+	const [modal, setModal] = useState<FunctionComponent>()
+
+	const showModal = useCallback((component: FunctionComponent) => {
+		setModal(component)
+	}, [])
+
+	const hideModal = useCallback(() => {
+		setModal(undefined)
+	}, [])
+
+	const value: ModalContext = {
+		showModal,
+		hideModal,
+	}
+
+	return <ModalContext.Provider value={value}>
+		{children}
+		{modal !== undefined && modal}
+	</ModalContext.Provider>
+}
diff --git a/src/app/contexts/Project.tsx b/src/app/contexts/Project.tsx
index df9c15e8..da3cfef6 100644
--- a/src/app/contexts/Project.tsx
+++ b/src/app/contexts/Project.tsx
@@ -1,155 +1,160 @@
+import { Identifier } from 'deepslate'
 import type { ComponentChildren } from 'preact'
 import { createContext } from 'preact'
-import { route } from 'preact-router'
-import { useCallback, useContext, useMemo, useState } from 'preact/hooks'
+import { useCallback, useContext, useState } from 'preact/hooks'
+import type { ProjectData } from '../components/previews/Deepslate.js'
 import config from '../Config.js'
+import { useAsync } from '../hooks/useAsync.js'
 import type { VersionId } from '../services/index.js'
+import { DEFAULT_VERSION } from '../services/index.js'
+import { DRAFTS_URI, PROJECTS_URI, SpyglassClient } from '../services/Spyglass.js'
 import { Store } from '../Store.js'
-import { cleanUrl, genPath } from '../Utils.js'
-import { useVersion } from './Version.jsx'
+import { genPath, hexId, message, safeJsonParse } from '../Utils.js'
 
-export type Project = {
+export type ProjectMeta = {
 	name: string,
 	namespace?: string,
 	version?: VersionId,
-	files: ProjectFile[],
+	storage?: ProjectStorage,
+	/** @deprecated */
+	files?: ProjectFile[],
+	/** @deprecated */
 	unknownFiles?: UnknownFile[],
 }
-export const DRAFT_PROJECT: Project = {
-	name: 'Drafts',
-	namespace: 'draft',
-	files: [],
+
+export type ProjectStorage = {
+	type: 'indexeddb',
+	rootUri: string,
 }
 
-export type ProjectFile = {
+type ProjectFile = {
 	type: string,
 	id: string,
 	data: any,
 }
 
-export type UnknownFile = {
+type UnknownFile = {
 	path: string,
 	data: string,
 }
 
-export const FilePatterns = [
-	'worldgen/[a-z_]+',
-	'tags/worldgen/[a-z_]+',
-	'tags/[a-z_]+',
-	'[a-z_]+',
-].map(e => RegExp(`^data/([a-z0-9._-]+)/(${e})/([a-z0-9/._-]+)$`))
+export const DRAFT_PROJECT: ProjectMeta = {
+	name: 'Drafts',
+	namespace: 'draft',
+	storage: {
+		type: 'indexeddb',
+		rootUri: DRAFTS_URI,
+	},
+}
 
 interface ProjectContext {
-	projects: Project[],
-	project: Project,
-	file?: ProjectFile,
-	createProject: (name: string, namespace?: string, version?: VersionId) => unknown,
-	deleteProject: (name: string) => unknown,
-	changeProject: (name: string) => unknown,
-	updateProject: (project: Partial<Project>) => unknown,
-	updateFile: (type: string, id: string | undefined, file: Partial<ProjectFile>) => boolean,
-	openFile: (type: string, id: string) => unknown,
-	closeFile: () => unknown,
+	projects: ProjectMeta[],
+	project: ProjectMeta,
+	projectUri: string | undefined,
+	setProjectUri: (uri: string | undefined) => void,
+	createProject: (project: ProjectMeta) => void,
+	deleteProject: (name: string) => void,
+	changeProject: (name: string) => void,
+	updateProject: (project: Partial<ProjectMeta>) => void,
 }
-const Project = createContext<ProjectContext>({
-	projects: [DRAFT_PROJECT],
-	project: DRAFT_PROJECT,
-	createProject: () => {},
-	deleteProject: () => {},
-	changeProject: () => {},
-	updateProject: () => {},
-	updateFile: () => false,
-	openFile: () => {},
-	closeFile: () => {},
-})
+const Project = createContext<ProjectContext | undefined>(undefined)
 
 export function useProject() {
-	return useContext(Project)
+	const context = useContext(Project)
+	if (context === undefined) {
+		throw new Error('Cannot use project outside of provider')
+	}
+	return context
 }
 
 export function ProjectProvider({ children }: { children: ComponentChildren }) {
-	const [projects, setProjects] = useState<Project[]>(Store.getProjects())
-	const { version } = useVersion()
+	const [projects, setProjects] = useState<ProjectMeta[]>(Store.getProjects())
+	const [openProject, setOpenProject] = useState<string>(Store.getOpenProject())
 
-	const [projectName, setProjectName] = useState<string>(Store.getOpenProject())
-	const project = useMemo(() => {
-		return projects.find(p => p.name === projectName) ?? DRAFT_PROJECT
-	}, [projects, projectName])
+	const { value: project} = useAsync(async () => {
+		const project = projects.find(p => p.name === openProject)
+		if (!project) {
+			if (openProject !== undefined && openProject !== DRAFT_PROJECT.name) {
+				console.warn(`Cannot find project ${openProject} to open`)
+			}
+			return DRAFT_PROJECT
+		}
+		if (project.storage === undefined) {
+			try {
+				const projectRoot = `${PROJECTS_URI}${hexId()}/`
+				console.log(`Upgrading project ${openProject} to IndexedDB at ${projectRoot}`)
+				await SpyglassClient.FS.mkdir(projectRoot)
+				if (project.files) {
+					await Promise.all(project.files.map(async file => {
+						const gen = config.generators.find(g => g.id === file.type)
+						if (!gen) {
+							console.warn(`Could not upgrade file ${file.id} of type ${file.type}, no generator found!`)
+							return
+						}
+						const type = genPath(gen, project.version ?? DEFAULT_VERSION)
+						const { namespace, path } = Identifier.parse(file.id)
+						const uri = type === 'pack_mcmeta'
+							?	`${projectRoot}data/pack.mcmeta`
+							: `${projectRoot}data/${namespace}/${type}/${path}.json`
+						return SpyglassClient.FS.writeFile(uri, JSON.stringify(file.data, null, 2))
+					}))
+				}
+				if (project.unknownFiles) {
+					await Promise.all(project.unknownFiles.map(async file => {
+						const uri = projectRoot + file.path
+						return SpyglassClient.FS.writeFile(uri, file.data)
+					}))
+				}
+				changeProjects(projects.map(p => p === project ? { ...p, storage: { type: 'indexeddb', rootUri: projectRoot } } : p))
+			} catch (e) {
+				console.error(`Something went wrong upgrading project ${openProject}: ${message(e)}`)
+				return DRAFT_PROJECT
+			}
+		}
+		return project
+	}, [projects, openProject])
 
-	const [fileId, setFileId] = useState<[string, string] | undefined>(undefined)
-	const file = useMemo(() => {
-		if (!fileId) return undefined
-		return project.files.find(f => f.type === fileId[0] && f.id === fileId[1])
-	}, [project, fileId])
+	const [projectUri, setProjectUri] = useState<string>()
 
-	const changeProjects = useCallback((projects: Project[]) => {
+	const changeProjects = useCallback((projects: ProjectMeta[]) => {
 		Store.setProjects(projects)
 		setProjects(projects)
 	}, [])
 
-	const createProject = useCallback((name: string, namespace?: string, version?: VersionId) => {
-		changeProjects([...projects, { name, namespace, version, files: [] }])
+	const createProject = useCallback((project: ProjectMeta) => {
+		changeProjects([...projects, project])
 	}, [projects])
 
-	const deleteProject = useCallback((name: string) => {
+	const deleteProject = useCallback(async (name: string) => {
 		if (name === DRAFT_PROJECT.name) return
+		const project = projects.find(p => p.name === name)
+		if (project) {
+			const projectRoot = getProjectRoot(project)
+			const entries = await SpyglassClient.FS.readdir(projectRoot)
+			await Promise.all(entries.map(async e => SpyglassClient.FS.unlink(e.name)))
+		}
 		changeProjects(projects.filter(p => p.name !== name))
+		setOpenProject(DRAFT_PROJECT.name)
 	}, [projects])
 
 	const changeProject = useCallback((name: string) => {
 		Store.setOpenProject(name)
-		setProjectName(name)
+		setOpenProject(name)
 	}, [])
 
-	const updateProject = useCallback((edits: Partial<Project>) => {
-		changeProjects(projects.map(p => p.name === projectName ?	{ ...p, ...edits } : p))
-	}, [projects, projectName])
-
-	const updateFile = useCallback((type: string, id: string | undefined, edits: Partial<ProjectFile>) => {
-		if (!edits.id) { // remove
-			updateProject({ files: project.files.filter(f => f.type !== type || f.id !== id) })
-		} else {
-			const newId = type === 'pack_mcmeta' ? 'pack' : edits.id.includes(':') ? edits.id : `${project.namespace ?? 'minecraft'}:${edits.id}`
-			const exists = project.files.some(f => f.type === type && f.id === newId)
-			if (!id) { // create
-				if (exists) return false
-				updateProject({ files: [...project.files, { type, id: newId, data: edits.data ?? {} } ]})
-				setFileId([type, newId])
-			} else { // rename or update data
-				if (file?.id === id && id !== newId && exists) {
-					return false
-				}
-				updateProject({ files: project.files.map(f => f.type === type && f.id === id ? { ...f, ...edits, id: newId } : f)})
-				if (file?.id === id) setFileId([type, newId])
-			}
-		}
-		return true
-	}, [updateProject, project, file])
-
-	const openFile = useCallback((type: string, id: string) => {
-		const gen = config.generators.find(g => g.id === type || genPath(g, version) === type)
-		if (!gen) {
-			throw new Error(`Cannot find generator of type ${type}`)
-		}
-		setFileId([gen.id, id])
-		route(cleanUrl(gen.url))
-	}, [version])
-
-	const closeFile = useCallback(() => {
-		setFileId(undefined)
-	}, [])
+	const updateProject = useCallback((edits: Partial<ProjectMeta>) => {
+		changeProjects(projects.map(p => p.name === openProject ?	{ ...p, ...edits } : p))
+	}, [projects, openProject])
 
 	const value: ProjectContext = {
 		projects,
-		project,
-		file,
+		project: project ?? DRAFT_PROJECT,
+		projectUri,
+		setProjectUri,
 		createProject,
 		changeProject,
 		deleteProject,
 		updateProject,
-		updateFile,
-		openFile,
-		closeFile,
 	}
 
 	return <Project.Provider value={value}>
@@ -157,44 +162,30 @@ export function ProjectProvider({ children }: { children: ComponentChildren }) {
 	</Project.Provider>
 }
 
-export function getFilePath(file: { id: string, type: string }, version: VersionId) {
-	const [namespace, id] = file.id.includes(':') ? file.id.split(':') : ['minecraft', file.id]
-	if (file.type === 'pack_mcmeta') {
-		if (file.id === 'pack') return 'pack.mcmeta'
-		return undefined
+export function getProjectRoot(project: ProjectMeta) {
+	if (project.storage?.type === 'indexeddb') {
+		return project.storage.rootUri
 	}
-	const gen = config.generators.find(g => g.id === file.type)
-	if (!gen) {
-		return undefined
-	}
-	return `data/${namespace}/${genPath(gen, version)}/${id}.json`
+	throw new Error(`Unsupported project storage ${project.storage?.type}`)
 }
 
-export function disectFilePath(path: string, version: VersionId) {
-	if (path === 'pack.mcmeta') {
-		return { type: 'pack_mcmeta', id: 'pack' }
-	}
-	for (const p of FilePatterns) {
-		const match = path.match(p)
-		if (!match) continue
-		const gen = config.generators.find(g => (genPath(g, version) ?? g.id) === match[2])
-		if (!gen) continue
-		const namespace = match[1]
-		const name = match[3].replace(/\.[a-z]+$/, '')
-		return {
-			type: gen.id,
-			id: `${namespace}:${name}`,
+export async function getWorldgenProjectData(project: ProjectMeta): Promise<ProjectData> {
+	const projectRoot = getProjectRoot(project)
+	const categories = ['worldgen/noise_settings', 'worldgen/noise', 'worldgen/density_function']
+	const result: ProjectData = Object.fromEntries(categories.map(c => [c, {}]))
+	const entries = await SpyglassClient.FS.readdir(projectRoot)
+	for (const entry of entries) {
+		for (const category of categories) {
+			if (entry.name.includes(category)) {
+				const pattern = RegExp(`data/([a-z0-9_.-]+)/${category}/([a-z0-9_./-]+).json$`)
+				const match = entry.name.match(pattern)
+				if (match) {
+					const data = await SpyglassClient.FS.readFile(entry.name)
+					const text = new TextDecoder().decode(data)
+					result[category][`${match[1]}:${match[2]}`] = safeJsonParse(text)
+				}
+			}
 		}
 	}
-	return undefined
-}
-
-export function getProjectData(project: Project) {
-	return Object.fromEntries(['worldgen/noise_settings', 'worldgen/noise', 'worldgen/density_function'].map(type => {
-		const resources = Object.fromEntries(
-			project.files.filter(file => file.type === type)
-				.map<[string, unknown]>(file => [file.id, file.data])
-		)
-		return [type, resources]
-	}))
+	return result
 }
diff --git a/src/app/contexts/Spyglass.tsx b/src/app/contexts/Spyglass.tsx
new file mode 100644
index 00000000..773c91b2
--- /dev/null
+++ b/src/app/contexts/Spyglass.tsx
@@ -0,0 +1,76 @@
+import type { DocAndNode } from '@spyglassmc/core'
+import type { ComponentChildren } from 'preact'
+import { createContext } from 'preact'
+import type { Inputs } from 'preact/hooks'
+import { useContext, useEffect, useState } from 'preact/hooks'
+import { useAsync } from '../hooks/useAsync.js'
+import type { SpyglassService } from '../services/Spyglass.js'
+import { SpyglassClient } from '../services/Spyglass.js'
+import { useVersion } from './Version.jsx'
+
+interface SpyglassContext {
+	client: SpyglassClient
+	service: SpyglassService | undefined
+	serviceLoading: boolean
+}
+
+const SpyglassContext = createContext<SpyglassContext | undefined>(undefined)
+
+export function useSpyglass(): SpyglassContext {
+	const ctx = useContext(SpyglassContext)
+	if (ctx === undefined) {
+		throw new Error('Cannot use Spyglass context')
+	}
+	return ctx
+}
+
+export function watchSpyglassUri(
+	uri: string | undefined,
+	handler: (docAndNode: DocAndNode) => void,
+	inputs: Inputs = [],
+) {
+	const { service } = useSpyglass()
+
+	useEffect(() => {
+		if (!uri || !service) {
+			return
+		}
+		service.watchFile(uri, handler)
+		return () => service.unwatchFile(uri, handler)
+	}, [service, uri, handler, ...inputs])
+}
+
+export function useDocAndNode(original: DocAndNode, inputs?: Inputs): DocAndNode
+export function useDocAndNode(original: DocAndNode | undefined, inputs?: Inputs): DocAndNode | undefined
+export function useDocAndNode(original: DocAndNode | undefined, inputs: Inputs = []) {
+	const [wrapped, setWrapped] = useState(original)
+
+	useEffect(() => {
+		setWrapped(original)
+	}, [original, setWrapped, ...inputs])
+
+	watchSpyglassUri(original?.doc.uri, updated => {
+		setWrapped(updated)
+	}, [original?.doc.uri, setWrapped, ...inputs])
+
+	return wrapped
+}
+
+export function SpyglassProvider({ children }: { children: ComponentChildren }) {
+	const { version } = useVersion()
+	const [client] = useState(new SpyglassClient())
+
+	const { value: service, loading: serviceLoading } = useAsync(() => {
+		return client.createService(version)
+	}, [client, version])
+
+	const value: SpyglassContext = {
+		client,
+		service,
+		serviceLoading,
+	}
+
+	return <SpyglassContext.Provider value={value}>
+		{children}
+	</SpyglassContext.Provider>
+}
diff --git a/src/app/contexts/Store.tsx b/src/app/contexts/Store.tsx
index 0731ef43..7ab02c35 100644
--- a/src/app/contexts/Store.tsx
+++ b/src/app/contexts/Store.tsx
@@ -3,6 +3,7 @@ import { createContext } from 'preact'
 import { useCallback, useContext } from 'preact/hooks'
 import { useLocalStorage } from '../hooks/index.js'
 import type { Color } from '../Utils.js'
+import { safeJsonParse } from '../Utils.js'
 
 interface Store {
 	biomeColors: Record<string, [number, number, number]>
@@ -19,7 +20,7 @@ export function useStore() {
 }
 
 export function StoreProvider({ children }: { children: ComponentChildren }) {
-	const [biomeColors, setBiomeColors] = useLocalStorage<Record<string, Color>>('misode_biome_colors', {}, JSON.parse, JSON.stringify)
+	const [biomeColors, setBiomeColors] = useLocalStorage<Record<string, Color>>('misode_biome_colors', {}, s => safeJsonParse(s) ?? {}, JSON.stringify)
 
 	const setBiomeColor = useCallback((biome: string, color: Color) => {
 		setBiomeColors({...biomeColors, [biome]: color })
diff --git a/src/app/hooks/index.ts b/src/app/hooks/index.ts
index ce5d2c4b..449eb0dd 100644
--- a/src/app/hooks/index.ts
+++ b/src/app/hooks/index.ts
@@ -5,6 +5,5 @@ export * from './useFocus.js'
 export * from './useHash.js'
 export * from './useLocalStorage.js'
 export * from './useMediaQuery.js'
-export * from './useModel.js'
 export * from './useSearchParam.js'
 export * from './useTags.js'
diff --git a/src/app/hooks/useModel.ts b/src/app/hooks/useModel.ts
deleted file mode 100644
index 4567deb8..00000000
--- a/src/app/hooks/useModel.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import type { DataModel } from '@mcschema/core'
-import type { Inputs } from 'preact/hooks'
-import { useEffect } from 'preact/hooks'
-
-export function useModel(model: DataModel | undefined | null, invalidated: (model: DataModel) => unknown, inputs?: Inputs) {
-	const listener = {
-		invalidated() {
-			if (model) {
-				invalidated(model)
-			}
-		},
-	}
-
-	useEffect(() => {
-		model?.addListener(listener)
-		return () => {
-			model?.removeListener(listener)
-		}
-	}, [model, ...inputs ?? []])
-}
diff --git a/src/app/pages/Customized.tsx b/src/app/pages/Customized.tsx
index 55acc870..f69846eb 100644
--- a/src/app/pages/Customized.tsx
+++ b/src/app/pages/Customized.tsx
@@ -1,11 +1,11 @@
 import { useEffect, useErrorBoundary, useMemo } from 'preact/hooks'
-import config from '../Config.js'
 import { CustomizedPanel } from '../components/customized/CustomizedPanel.jsx'
 import { ErrorPanel, Footer, Octicon, VersionSwitcher } from '../components/index.js'
+import config from '../Config.js'
 import { useLocale, useTitle, useVersion } from '../contexts/index.js'
 import { useSearchParam } from '../hooks/index.js'
-import type { VersionId } from '../services/Schemas.js'
-import { checkVersion } from '../services/Schemas.js'
+import type { VersionId } from '../services/Versions.js'
+import { checkVersion } from '../services/Versions.js'
 
 const MIN_VERSION = '1.20'
 const Tabs = ['basic', 'biomes', 'structures', 'ores']
diff --git a/src/app/partners/ImmersiveWeathering.ts b/src/app/partners/ImmersiveWeathering.ts
deleted file mode 100644
index ac3da960..00000000
--- a/src/app/partners/ImmersiveWeathering.ts
+++ /dev/null
@@ -1,210 +0,0 @@
-import type { CollectionRegistry, ResourceType, SchemaRegistry } from '@mcschema/core'
-import { BooleanNode, Case, ChoiceNode, ListNode, MapNode, NumberNode, ObjectNode, Opt, Reference as RawReference, StringNode as RawStringNode, Switch } from '@mcschema/core'
-
-const ID = 'immersive_weathering'
-
-export function initImmersiveWeathering(schemas: SchemaRegistry, collections: CollectionRegistry) {
-	const Reference = RawReference.bind(undefined, schemas)
-	const StringNode = RawStringNode.bind(undefined, collections)
-
-	const Tag = (id: Exclude<ResourceType, `$tag/${string}`>) => ChoiceNode([
-		{
-			type: 'string',
-			node: StringNode({ validator: 'resource', params: { pool: id, allowTag: true } }),
-			change: (v: unknown) => {
-				if (Array.isArray(v) && typeof v[0] === 'string' && !v[0].startsWith('#')) {
-					return v[0]
-				}
-				return undefined
-			},
-		},
-		{
-			type: 'list',
-			node: ListNode(
-				StringNode({ validator: 'resource', params: { pool: id } })
-			),
-			change: (v: unknown) => {
-				if (typeof v === 'string' && !v.startsWith('#')) {
-					return [v]
-				}
-				return []
-			},
-		},
-	], { choiceContext: 'tag' })
-
-	schemas.register(`${ID}:block_growth`, ObjectNode({
-		area_condition: Reference(`${ID}:area_condition`),
-		position_predicates: Opt(ListNode(
-			Reference(`${ID}:position_test`)
-		)),
-		growth_chance: NumberNode({ min: 0, max: 1 }),
-		growth_for_face: ListNode(
-			ObjectNode({
-				direction: Opt(StringNode({ enum: 'direction' })),
-				weight: Opt(NumberNode({ integer: true })),
-				growth: ListNode(
-					ObjectNode({
-						data: Reference(`${ID}:block_pair`),
-						weight: NumberNode({ integer: true }),
-					})
-				),
-			}, { category: 'pool' })
-		),
-		owners: ListNode(
-			StringNode({ validator: 'resource', params: { pool: 'block' } })
-		),
-		replacing_target: Reference(`${ID}:rule_test`),
-		target_self: Opt(BooleanNode()),
-		destroy_target: Opt(BooleanNode()),
-	}, { context: `${ID}.block_growth` }))
-
-	schemas.register(`${ID}:area_condition`, ObjectNode({
-		type: StringNode({ enum: ['generate_if_not_too_many', 'neighbor_based_generation'] }),
-		[Switch]: [{ push: 'type' }],
-		[Case]: {
-			generate_if_not_too_many: {
-				radiusX: NumberNode({ integer: true }),
-				radiusY: NumberNode({ integer: true }),
-				radiusZ: NumberNode({ integer: true }),
-				requiredAmount: NumberNode({ integer: true }),
-				yOffset: Opt(NumberNode({ integer: true })),
-				must_have: Opt(Reference(`${ID}:rule_test`)),
-				must_not_have: Opt(Reference(`${ID}:rule_test`)),
-				includes: Opt(Tag('block')),
-			},
-			neighbor_based_generation: {
-				must_have: Reference(`${ID}:rule_test`),
-				must_not_have: Opt(Reference(`${ID}:rule_test`)),
-				required_amount: Opt(NumberNode({ integer: true })),
-				directions: ListNode(
-					StringNode({ enum: 'direction' })
-				),
-			},
-		},
-	}, { context: `${ID}.area_condition` }))
-
-	schemas.register(`${ID}:block_pair`, ObjectNode({
-		block: Reference(`${ID}:block_state`),
-		above_block: Opt(Reference(`${ID}:block_state`)),
-	}, { context: `${ID}.block_pair` }))
-
-	schemas.register(`${ID}:block_state`, ObjectNode({
-		Name: StringNode({ validator: 'resource', params: { pool: 'block' } }),
-		Properties: Opt(MapNode(
-			StringNode(),
-			StringNode(),
-		)),
-	}, { context: 'block_state' }))
-
-	schemas.register(`${ID}:position_test`, ObjectNode({
-		predicate_type: StringNode({ enum: ['biome_match', 'day_test', 'nand', 'precipitation_test', 'temperature_range'] }),
-		[Switch]: [{ push: 'predicate_type' }],
-		[Case]: {
-			biome_match: {
-				biomes: Tag('$worldgen/biome'),
-			},
-			day_test: {
-				day: BooleanNode(),
-			},
-			nand: {
-				predicates: ListNode(
-					Reference(`${ID}:position_test`)
-				),
-			},
-			precipitation_test: {
-				precipitation: StringNode({ enum: ['none', 'rain', 'snow']}),
-			},
-			temperature_range: {
-				min: NumberNode(),
-				max: NumberNode(),
-				use_local_pos: Opt(BooleanNode()),
-			},
-		},
-	}, { context: `${ID}.position_test`, category: 'predicate' }))
-
-	collections.register(`${ID}:rule_test`, [
-		...collections.get('rule_test'),
-		'immersive_weathering:block_set_match',
-		'immersive_weathering:fluid_match',
-		'immersive_weathering:tree_log',
-	])
-
-	schemas.register(`${ID}:rule_test`, ObjectNode({
-		predicate_type: StringNode({ validator: 'resource', params: { pool: `${ID}:rule_test` as any } }),
-		[Switch]: [{ push: 'predicate_type' }],
-		[Case]: {
-			'minecraft:block_match': {
-				block: StringNode({ validator: 'resource', params: { pool: 'block' } }),
-			},
-			'minecraft:blockstate_match': {
-				block_state: Reference('block_state'),
-			},
-			'minecraft:random_block_match': {
-				block: StringNode({ validator: 'resource', params: { pool: 'block' } }),
-				probability: NumberNode({ min: 0, max: 1 }),
-			},
-			'minecraft:random_blockstate_match': {
-				block_state: Reference('block_state'),
-				probability: NumberNode({ min: 0, max: 1 }),
-			},
-			'minecraft:tag_match': {
-				tag: StringNode({ validator: 'resource', params: { pool: '$tag/block' }}),
-			},
-			'immersive_weathering:block_set_match': {
-				blocks: Tag('block'),
-				probability: Opt(NumberNode({ min: 0, max: 1 })),
-			},
-			'immersive_weathering:fluid_match': {
-				fluid: StringNode({ validator: 'resource', params: { pool: 'fluid' } }),
-			},
-		},
-	}, { context: 'rule_test', disableSwitchContext: true }))
-
-	collections.register('block_growth', [
-		'immersive_weathering:brain_coral',
-		'immersive_weathering:bubble_coral',
-		'immersive_weathering:cracked_mud_rivers',
-		'immersive_weathering:crimson_nylium',
-		'immersive_weathering:cryosol',
-		'immersive_weathering:farmland_rare_weeds',
-		'immersive_weathering:farmland_weeds',
-		'immersive_weathering:fire_coral',
-		'immersive_weathering:fire_soot',
-		'immersive_weathering:fluvisol',
-		'immersive_weathering:grass_base',
-		'immersive_weathering:grass_block_badlands',
-		'immersive_weathering:grass_block_bamboo_jungle',
-		'immersive_weathering:grass_block_birch_forest',
-		'immersive_weathering:grass_block_dark_forest',
-		'immersive_weathering:grass_block_flower_forest',
-		'immersive_weathering:grass_block_forest',
-		'immersive_weathering:grass_block_jungle',
-		'immersive_weathering:grass_block_lush_caves',
-		'immersive_weathering:grass_block_old_growth_spruce',
-		'immersive_weathering:grass_block_plains',
-		'immersive_weathering:grass_block_sunflower_plains',
-		'immersive_weathering:grass_block_swamp',
-		'immersive_weathering:grass_block_taiga',
-		'immersive_weathering:grass_block_wooded_badlands',
-		'immersive_weathering:hanging_roots',
-		'immersive_weathering:horn_coral',
-		'immersive_weathering:humus',
-		'immersive_weathering:icicle_growth',
-		'immersive_weathering:large_fern',
-		'immersive_weathering:magma',
-		'immersive_weathering:mycelium',
-		'immersive_weathering:podzol',
-		'immersive_weathering:red_sand_weathering',
-		'immersive_weathering:rooted_dirt',
-		'immersive_weathering:rooted_grass',
-		'immersive_weathering:sand_weathering',
-		'immersive_weathering:sapling',
-		'immersive_weathering:sapling_nether',
-		'immersive_weathering:silt',
-		'immersive_weathering:tall_grass',
-		'immersive_weathering:tall_seagrass',
-		'immersive_weathering:tube_coral',
-		'immersive_weathering:vertisol',
-		'immersive_weathering:warped_nylium',
-	])
-}
diff --git a/src/app/partners/Lithostitched.ts b/src/app/partners/Lithostitched.ts
deleted file mode 100644
index 675ee272..00000000
--- a/src/app/partners/Lithostitched.ts
+++ /dev/null
@@ -1,239 +0,0 @@
-import type { CollectionRegistry, ResourceType, SchemaRegistry } from '@mcschema/core'
-import { BooleanNode, Case, ChoiceNode, ListNode, Mod, NumberNode, ObjectNode, Opt, Reference as RawReference, StringNode as RawStringNode, Switch } from '@mcschema/core'
-import type { VersionId } from '../services/Schemas.js'
-
-
-const ID = 'lithostitched'
-
-export function initLithostitched(schemas: SchemaRegistry, collections: CollectionRegistry, version: VersionId) {
-	const Reference = RawReference.bind(undefined, schemas)
-	const StringNode = RawStringNode.bind(undefined, collections)
-
-	const Tag = (id: Exclude<ResourceType, `$tag/${string}`>) =>
-		ChoiceNode(
-			[
-				{
-					type: 'string',
-					node: StringNode({
-						validator: 'resource',
-						params: { pool: id, allowTag: true },
-					}),
-					change: (v: unknown) => {
-						if (
-							Array.isArray(v) &&
-							typeof v[0] === 'string' &&
-							!v[0].startsWith('#')
-						) {
-							return v[0]
-						}
-						return undefined
-					},
-				},
-				{
-					type: 'list',
-					node: ListNode(
-						StringNode({ validator: 'resource', params: { pool: id } })
-					),
-					change: (v: unknown) => {
-						if (typeof v === 'string' && !v.startsWith('#')) {
-							return [v]
-						}
-						return []
-					},
-				},
-			],
-			{ choiceContext: 'tag' }
-		)
-
-	// Worldgen Modifiers
-	const MobCategorySpawnSettings = Mod(
-		ObjectNode({
-			type: StringNode({
-				validator: 'resource',
-				params: { pool: 'entity_type' },
-			}),
-			weight: NumberNode({ integer: true }),
-			minCount: NumberNode({ integer: true }),
-			maxCount: NumberNode({ integer: true }),
-		}),
-		{
-			category: () => 'pool',
-			default: () => [
-				{
-					type: 'minecraft:bat',
-					weight: 1,
-				},
-			],
-		}
-	)
-
-	collections.register(`${ID}:modifier_type`, [
-		'lithostitched:add_biome_spawns',
-		'lithostitched:add_features',
-		...(version === '1.20.5' || version === '1.21')
-			? ['lithostitched:add_pool_aliases']
-			: [],
-		'lithostitched:add_structure_set_entries',
-		'lithostitched:add_surface_rule',
-		'lithostitched:add_template_pool_elements',
-		'lithostitched:no_op',
-		'lithostitched:redirect_feature',
-		'lithostitched:remove_biome_spawns',
-		'lithostitched:remove_features',
-		'lithostitched:remove_structures_from_structure_set',
-		'lithostitched:replace_climate',
-		'lithostitched:replace_effects',
-	])
-
-	collections.register(`${ID}:modifier_predicate_type`, [
-		'lithostitched:all_of',
-		'lithostitched:any_of',
-		'lithostitched:mod_loaded',
-		'lithostitched:not',
-		'lithostitched:true',
-	])
-
-	schemas.register(`${ID}:worldgen_modifier`, Mod(ObjectNode({
-		type: StringNode({ validator: 'resource', params: { pool: `${ID}:modifier_type` as any } }),
-		predicate: Mod(Opt(Reference(`${ID}:modifier_predicate`)), {
-			enabled: () => version !== '1.21',
-		}),
-		[Switch]: [{ push: 'type' }],
-		[Case]: {
-			'lithostitched:add_biome_spawns': {
-				biomes: Tag('$worldgen/biome'),
-				spawners: ChoiceNode([
-					{
-						type: 'object',
-						node: MobCategorySpawnSettings,
-						change: (v: any) => v[0],
-					},
-					{
-						type: 'list',
-						node: ListNode(MobCategorySpawnSettings),
-						change: (v: any) => Array(v),
-					},
-				]),
-			},
-			'lithostitched:add_features': {
-				biomes: Tag('$worldgen/biome'),
-				features: Tag('$worldgen/configured_feature'),
-				step: StringNode({ enum: 'decoration_step' }),
-			},
-			'lithostitched:add_pool_aliases': {
-				structure: StringNode({ validator: 'resource', params: { pool: '$worldgen/structure' } }),
-				pool_aliases: Reference('pool_alias_binding'),
-			},
-			'lithostitched:add_structure_set_entries': {
-				structure_set: StringNode({ validator: 'resource', params: { pool: '$worldgen/structure_set' } }),
-				entries: ListNode(
-					ObjectNode({
-						structure: StringNode({ validator: 'resource', params: { pool: '$worldgen/structure' } }),
-						weight: NumberNode({ integer: true, min: 1 }),
-					})
-				),
-			},
-			'lithostitched:add_surface_rule': {
-				levels: ListNode(StringNode({ validator: 'resource', params: { pool: '$dimension' } })),
-				surface_rule: Reference('material_rule'),
-			},
-			'lithostitched:add_template_pool_elements': {
-				template_pool: StringNode({ validator: 'resource', params: { pool: '$worldgen/template_pool' } }),
-				elements: ListNode(
-					Reference('template_weighted_element')
-				),
-			},
-			'lithostitched:redirect_feature': {
-				placed_feature: StringNode({ validator: 'resource', params: { pool: '$worldgen/placed_feature' } }),
-				redirect_to: StringNode({ validator: 'resource', params: { pool: '$worldgen/configured_feature' } }),
-			},
-			'lithostitched:remove_biome_spawns': {
-				biomes: Tag('$worldgen/biome'),
-				mobs: Tag('entity_type'),
-			},
-			'lithostitched:remove_features': {
-				biomes: Tag('$worldgen/biome'),
-				features: Tag('$worldgen/configured_feature'),
-				step: StringNode({ enum: 'decoration_step' }),
-			},
-			'lithostitched:remove_structures_from_structure_set': {
-				structure_set: StringNode({ validator: 'resource', params: { pool: '$worldgen/structure_set' } }),
-				structures: ListNode(
-					StringNode({ validator: 'resource', params: { pool: '$worldgen/structure' } })
-				),
-			},
-			'lithostitched:replace_climate': {
-				biomes: Tag('$worldgen/biome'),
-				climate: ObjectNode({
-					temperature: NumberNode(),
-					downfall: NumberNode(),
-					has_precipitation: BooleanNode(),
-					temperature_modifier: Opt(StringNode({ enum: ['none', 'frozen'] })),
-				}),
-			},
-			'lithostitched:replace_effects': {
-				biomes: Tag('$worldgen/biome'),
-				effects: ObjectNode({
-					sky_color: Opt(NumberNode({ color: true })),
-					fog_color: Opt(NumberNode({ color: true })),
-					water_color: Opt(NumberNode({ color: true })),
-					water_fog_color: Opt(NumberNode({ color: true })),
-					grass_color: Opt(NumberNode({ color: true })),
-					foliage_color: Opt(NumberNode({ color: true })),
-					grass_color_modifier: Opt(StringNode({ enum: ['none', 'dark_forest', 'swamp'] })),
-					ambient_sound: Opt(StringNode()),
-					mood_sound: Opt(ObjectNode({
-						sound: StringNode(),
-						tick_delay: NumberNode({ integer: true }),
-						block_search_extent: NumberNode({ integer: true }),
-						offset: NumberNode(),
-					})),
-					additions_sound: Opt(ObjectNode({
-						sound: StringNode(),
-						tick_chance: NumberNode({ min: 0, max: 1 }),
-					})),
-					music: Opt(ObjectNode({
-						sound: StringNode(),
-						min_delay: NumberNode({ integer: true, min: 0 }),
-						max_delay: NumberNode({ integer: true, min: 0 }),
-						replace_current_music: BooleanNode(),
-					})),
-					particle: Opt(ObjectNode({
-						options: ObjectNode({
-							type: StringNode(),
-						}),
-						probability: NumberNode({ min: 0, max: 1 }),
-					})),
-				}),
-			},
-		},
-	}, { context: `${ID}.worldgen_modifier`, disableSwitchContext: true }), {
-		default: () => ({
-			type: `${ID}:add_features`,
-			biomes: '#minecraft:is_overworld',
-			features: 'example:ore_ruby',
-			step: 'underground_ores',
-		}),
-	}))
-
-	schemas.register(`${ID}:modifier_predicate`, ObjectNode({
-		type: StringNode({ validator: 'resource', params: { pool: `${ID}:modifier_predicate_type` as any } }),
-		[Switch]: [{ push: 'type' }],
-		[Case]: {
-			'lithostitched:all_of': {
-				predicates: ListNode(Reference(`${ID}:modifier_predicate`)),
-			},
-			'lithostitched:any_of': {
-				predicates: ListNode(Reference(`${ID}:modifier_predicate`)),
-			},
-			'lithostitched:mod_loaded': {
-				mod_id: StringNode(),
-			},
-			'lithostitched:not': {
-				predicate: Reference(`${ID}:modifier_predicate`),
-			},
-		},
-	}, {
-		context: `${ID}.modifier_predicate`, disableSwitchContext: true,
-	}))
-}
diff --git a/src/app/partners/NeoForge.ts b/src/app/partners/NeoForge.ts
deleted file mode 100644
index 5048df7c..00000000
--- a/src/app/partners/NeoForge.ts
+++ /dev/null
@@ -1,492 +0,0 @@
-import type { CollectionRegistry, INode, ResourceType, SchemaRegistry } from '@mcschema/core'
-import { BooleanNode, Case, ChoiceNode, ListNode, MapNode, Mod, NumberNode, ObjectNode, Opt, StringNode as RawStringNode, Switch } from '@mcschema/core'
-import type { VersionId } from '../services/Schemas.js'
-
-const ID = 'neoforge'
-
-export function initNeoForge(schemas: SchemaRegistry, collections: CollectionRegistry, _version: VersionId) {
-	const StringNode = RawStringNode.bind(undefined, collections)
-
-	// Homogenous list (ref, list of refs, tag)
-	const Tag = (id: Exclude<ResourceType, `$tag/${string}`>) =>
-		ChoiceNode(
-			[
-				{
-					type: 'string',
-					node: StringNode({
-						validator: 'resource',
-						params: { pool: id, allowTag: true },
-					}),
-					change: (v: unknown) => {
-						if (
-							Array.isArray(v) &&
-							typeof v[0] === 'string' &&
-							!v[0].startsWith('#')
-						) {
-							return v[0]
-						}
-						return undefined
-					},
-				},
-				{
-					type: 'list',
-					node: ListNode(
-						StringNode({ validator: 'resource', params: { pool: id } })
-					),
-					change: (v: unknown) => {
-						if (typeof v === 'string' && !v.startsWith('#')) {
-							return [v]
-						}
-						return []
-					},
-				},
-			],
-			{ choiceContext: 'tag' }
-		)
-	
-	// Spawner data
-	const MobCategorySpawnSettings = Mod(
-		ObjectNode({
-			type: StringNode({ validator: 'resource', params: { pool: 'entity_type' }}),
-			weight: NumberNode({ integer: true, min: 0 }),
-			minCount: NumberNode({ integer: true, min: 1 }),
-			maxCount: NumberNode({ integer: true, min: 1 }),
-		}),
-		{
-			category: () => 'pool',
-			default: () => [
-				{
-					type: 'minecraft:bat',
-					weight: 1,
-				},
-			],
-		}
-	)
-
-	// Generation step carving
-	const CarvingStep = StringNode({ enum: [ 'air', 'liquid' ] })
-
-	// Mob category
-	const MobCategory = StringNode({ enum: [ 'monster', 'creature', 'ambient', 'axolotls', 'underground_water_creature', 'water_creature', 'water_ambient', 'misc' ], additional: true })
-
-	// Biome modifier types
-	collections.register(`${ID}:biome_modifier_type`, [
-		'neoforge:none',
-		'neoforge:add_features',
-		'neoforge:remove_features',
-		'neoforge:add_spawns',
-		'neoforge:remove_spawns',
-		'neoforge:add_carvers',
-		'neoforge:remove_carvers',
-		'neoforge:add_spawn_costs',
-		'neoforge:remove_spawn_costs',
-	])
-
-	// Biome modifiers
-	schemas.register(`${ID}:biome_modifier`, Mod(
-		ObjectNode({
-			type: StringNode({ validator: 'resource', params: { pool: `${ID}:biome_modifier_type` as any }}),
-			[Switch]: [{ push: 'type' }],
-			[Case]: {
-				'neoforge:none': {},
-				'neoforge:add_features': {
-					biomes: Tag('$worldgen/biome'),
-					features: Tag('$worldgen/placed_feature'),
-					step: StringNode({ enum: 'decoration_step' }),
-				},
-				'neoforge:remove_features': {
-					biomes: Tag('$worldgen/biome'),
-					features: Tag('$worldgen/placed_feature'),
-					steps: Opt(ChoiceNode([
-						{
-							type: 'string',
-							node: StringNode({ enum: 'decoration_step' }),
-							change: (v: any) => v[0],
-						},
-						{
-							type: 'list',
-							node: ListNode(StringNode({ enum: 'decoration_step' })),
-							change: (v: any) => Array(v),
-						},
-					])),
-				},
-				'neoforge:add_spawns': {
-					biomes: Tag('$worldgen/biome'),
-					spawners: ChoiceNode([
-						{
-							type: 'object',
-							node: MobCategorySpawnSettings,
-							change: (v: any) => v[0],
-						},
-						{
-							type: 'list',
-							node: MobCategorySpawnSettings,
-							change: (v: any) => Array(v),
-						},
-					]),
-				},
-				'neoforge:remove_spawns': {
-					biomes: Tag('$worldgen/biome'),
-					entity_types: Tag('entity_type'),
-				},
-				'neoforge:add_carvers': {
-					biomes: Tag('$worldgen/biome'),
-					carvers: Tag('$worldgen/configured_carver'),
-					step: CarvingStep,
-				},
-				'neoforge:remove_carvers': {
-					biomes: Tag('$worldgen/biome'),
-					carvers: Tag('$worldgen/configured_carver'),
-					steps: Opt(ChoiceNode([
-						{
-							type: 'string',
-							node: CarvingStep,
-							change: (v: any) => v[0],
-						},
-						{
-							type: 'list',
-							node: ListNode(CarvingStep),
-							change: (v: any) => Array(v),
-						},
-					])),
-				},
-				'neoforge:add_spawn_costs': {
-					biomes: Tag('$worldgen/biome'),
-					entity_types: Tag('entity_type'),
-					spawn_cost: ObjectNode({
-						energy_budget: NumberNode(),
-						charge: NumberNode(),
-					}),
-				},
-				'neoforge:remove_spawn_costs': {
-					biomes: Tag('$worldgen/biome'),
-					entity_types: Tag('entity_type'),
-				},
-			},
-		}, { context: `${ID}.biome_modifier`, disableSwitchContext: true }),
-		{
-			default: () => ({
-				type: `${ID}:add_features`,
-				biomes: '#minecraft:is_overworld',
-				features: 'minecraft:ore_iron_small',
-				step: 'underground_ores',
-			}),
-		}
-	))
-
-	// Structure modifier types
-	collections.register(`${ID}:structure_modifier_type`, [
-		'neoforge:none',
-		'neoforge:add_spawns',
-		'neoforge:remove_spawns',
-		'neoforge:clear_spawns',
-	])
-
-	// Structure modifiers
-	schemas.register(`${ID}:structure_modifier`, Mod(
-		ObjectNode({
-			type: StringNode({ validator: 'resource', params: { pool: `${ID}:structure_modifier_type` as any }}),
-			[Switch]: [{ push: 'type' }],
-			[Case]: {
-				'neoforge:none': {},
-				'neoforge:add_spawns': {
-					structures: Tag('$worldgen/structure'),
-					spawners: ChoiceNode([
-						{
-							type: 'object',
-							node: MobCategorySpawnSettings,
-							change: (v: any) => v[0],
-						},
-						{
-							type: 'list',
-							node: MobCategorySpawnSettings,
-							change: (v: any) => Array(v),
-						},
-					]),
-				},
-				'neoforge:remove_spawns': {
-					structures: Tag('$worldgen/structure'),
-					entity_types: Tag('entity_type'),
-				},
-				'neoforge:clear_spawns': {
-					structures: Tag('$worldgen/structure'),
-					categories: ChoiceNode([
-						{
-							type: 'string',
-							node: MobCategory,
-							change: (v: any) => v[0],
-						},
-						{
-							type: 'list',
-							node: MobCategory,
-							change: (v: any) => Array(v),
-						},
-					]),
-				},
-			},
-		}, { context: `${ID}.structure_modifier`, disableSwitchContext: true }),
-		{
-			default: () => ({
-				type: `${ID}:add_spawns`,
-				structures: '#minecraft:village',
-				spawners: {
-					type: 'minecraft:bat',
-					weight: 1,
-				},
-			}),
-		}
-	))
-
-	// Data maps
-	createDataMap(schemas, collections, 'compostables', 'item', ChoiceNode([
-		{
-			type: 'number',
-			node: NumberNode({
-				min: 0,
-				max: 1,
-			}),
-			change: (v: any) => v?.chance,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				chance: NumberNode({
-					min: 0,
-					max: 1,
-				}),
-				can_villager_compost: Opt(BooleanNode()),
-			}),
-			change: (v: any) => ({
-				chance: v,
-				can_villager_compost: false,
-			}),
-		},
-	]), (values) => values['minecraft:apple'] = {
-		chance: 1,
-		can_villager_compost: true,
-	}
-	)
-	createDataMap(schemas, collections, 'furnace_fuels', 'item', ChoiceNode([
-		{
-			type: 'number',
-			node: NumberNode({
-				min: 1,
-				integer: true,
-			}),
-			change: (v: any) => v?.burn_time,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				burn_time: NumberNode({
-					min: 1,
-					integer: true,
-				}),
-			}),
-			change: (v: any) => ({
-				burn_time: v,
-			}),
-		},
-	]), (values) => values['minecraft:chest'] = {
-		burn_time: 300,
-	}
-	)
-	createDataMap(schemas, collections, 'monster_room_mobs', 'entity_type', ChoiceNode([
-		{
-			type: 'number',
-			node: NumberNode({
-				min: 0,
-				integer: true,
-			}),
-			change: (v: any) => v?.weight,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				weight: NumberNode({
-					min: 0,
-					integer: true,
-				}),
-			}),
-			change: (v: any) => ({
-				weight: v,
-			}),
-		},
-	]), (values) => values['minecraft:bat'] = {
-		weight: 5,
-	})
-	createDataMap(schemas, collections, 'oxidizables', 'block', ChoiceNode([
-		{
-			type: 'string',
-			node: StringNode({
-				validator: 'resource',
-				params: { pool: 'block' },
-			}),
-			change: (v: any) => v?.next_oxidation_stage,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				next_oxidation_stage: StringNode({
-					validator: 'resource',
-					params: { pool: 'block' },
-				}),
-			}),
-			change: (v: any) => ({
-				next_oxidation_stage: v,
-			}),
-		},
-	]), (values) => values['minecraft:grass_block'] = {
-		next_oxidation_stage: 'minecraft:dirt',
-	})
-	createDataMap(schemas, collections, 'parrot_imitations', 'entity_type', ChoiceNode([
-		{
-			type: 'string',
-			node: StringNode({
-				validator: 'resource',
-				params: { pool: 'sound_event' as any },
-			}),
-			change: (v: any) => v?.sound,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				sound: StringNode({
-					validator: 'resource',
-					params: { pool: 'sound_event' as any },
-				}),
-			}),
-			change: (v: any) => ({
-				sound: v,
-			}),
-		},
-	]), (values) => values['minecraft:allay'] = {
-		sound: 'minecraft:entity.allay.ambient_without_item',
-	})
-	createDataMap(schemas, collections, 'raid_hero_gifts', 'villager_profession', ChoiceNode([
-		{
-			type: 'string',
-			node: StringNode({
-				validator: 'resource',
-				params: { pool: '$loot_table' },
-			}),
-			change: (v: any) => v?.loot_table,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				loot_table: StringNode({
-					validator: 'resource',
-					params: { pool: '$loot_table' },
-				}),
-			}),
-			change: (v: any) => ({
-				loot_table: v,
-			}),
-		},
-	]), (values) => values['minecraft:cleric'] = {
-		loot_table: 'minecraft:empty',
-	})
-	createDataMap(schemas, collections, 'vibration_frequencies', 'game_event', ChoiceNode([
-		{
-			type: 'number',
-			node: NumberNode({
-				min: 1,
-				max: 15,
-				integer: true,
-			}),
-			change: (v: any) => v?.frequency,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				frequency: NumberNode({
-					min: 1,
-					max: 15,
-					integer: true,
-				}),
-			}),
-			change: (v: any) => ({
-				frequency: v,
-			}),
-		},
-	]), (values) => values['minecraft:block_change'] = {
-		frequency: 5,
-	})
-	createDataMap(schemas, collections, 'waxables', 'block', ChoiceNode([
-		{
-			type: 'string',
-			node: StringNode({
-				validator: 'resource',
-				params: { pool: 'block' },
-			}),
-			change: (v: any) => v?.waxed,
-		},
-		{
-			type: 'object',
-			node: ObjectNode({
-				waxed: StringNode({
-					validator: 'resource',
-					params: { pool: 'block' },
-				}),
-			}),
-			change: (v: any) => ({
-				waxed: v,
-			}),
-		},
-	]), (values) => values['minecraft:dirt'] = {
-		waxed: 'minecraft:coarse_dirt',
-	})
-}
-
-function createDataMap(schemas: SchemaRegistry, collections: CollectionRegistry, dataMap: string, registry: ResourceType, valueNode: INode<any>, def: (values: any) => void) {
-	const StringNode = RawStringNode.bind(undefined, collections)
-	
-	// Ref or tag
-	const Tag = StringNode({
-		validator: 'resource',
-		params: { pool: registry, allowTag: true },
-	})
-	
-	// Create data map
-	schemas.register(`${ID}:data_map_${dataMap}`, Mod(
-		ObjectNode({
-			replace: Opt(BooleanNode()),
-			values: MapNode(
-				Tag,
-				ChoiceNode([
-					{
-						type: 'direct',
-						match: () => true,
-						node: valueNode,
-						change: (v: any) => v?.value,
-					},
-					{
-						type: 'replaceable',
-						match: (v: any) => typeof v === 'object' && v?.value !== undefined,
-						priority: 1,
-						node: ObjectNode({
-							replace: Opt(BooleanNode()),
-							value: valueNode,
-						}),
-						change: (v: any) => ({
-							replace: true,
-							value: v,
-						}),
-					},
-				]),
-			),
-			remove: Opt(ListNode(Tag)),
-		}, {context: `${ID}.data_map_${dataMap}`, disableSwitchContext: true}),
-		{
-			default: () => {
-				const result = {
-					values: {},
-				}
-				def(result.values)
-
-				return result
-			},
-		}
-	))
-}
diff --git a/src/app/partners/Obsidian.ts b/src/app/partners/Obsidian.ts
deleted file mode 100644
index ca6f59e3..00000000
--- a/src/app/partners/Obsidian.ts
+++ /dev/null
@@ -1,442 +0,0 @@
-import type { CollectionRegistry, SchemaRegistry } from '@mcschema/core'
-import { BooleanNode, Case, ListNode, MapNode, Mod, NumberNode, ObjectNode, Opt, Reference as RawReference, StringNode as RawStringNode, Switch } from '@mcschema/core'
-
-const ID = 'obsidian'
-
-export function initObsidian(schemas: SchemaRegistry, collections: CollectionRegistry) {
-	const Reference = RawReference.bind(undefined, schemas)
-	const StringNode = RawStringNode.bind(undefined, collections)
-
-	// ITEMS
-	schemas.register(`${ID}:item`, Mod(ObjectNode({
-		information: Opt(Reference(`${ID}:item_information`)),
-		display: Opt(ObjectNode({
-			model: Opt(Reference(`${ID}:model`)),
-			item_model: Opt(Reference(`${ID}:model`)),
-			lore: Opt(ListNode(
-				ObjectNode({
-					text: Reference(`${ID}:name_information`),
-				}),
-			)),
-		})),
-		use_action: Opt(ObjectNode({
-			action: Opt(StringNode({ enum: ['none', 'eat', 'drink', 'block', 'bow', 'spear', 'crossbow', 'spyglass'] })),
-			right_click_action: Opt(StringNode({ enum: ['open_gui', 'run_command', 'open_url']})) ,
-			command: Opt(StringNode()),
-			url: Opt(StringNode()),
-			gui_size: Opt(NumberNode({ integer: true, min: 1, max: 6 })),
-			gui_title: Opt(Reference(`${ID}:name_information`)),
-		})),
-	}, { context: `${ID}:item` }), {
-		default: () => ({}),
-	}))
-
-	schemas.register(`${ID}:item_information`, ObjectNode({
-		rarity: Opt(StringNode({ enum: ['common', 'uncommon', 'rare', 'epic']})),
-		creative_tab: Opt(StringNode()),
-		max_stack_size: Opt(NumberNode({ integer: true, min: 1 })),
-		name: Opt(Reference(`${ID}:name_information`)),
-		has_enchantment_glint: Opt(BooleanNode()),
-		is_enchantable: Opt(BooleanNode()),
-		enchantability: Opt(NumberNode({ integer: true })),
-		use_duration: Opt(NumberNode({ integer: true })),
-		can_place_block: Opt(BooleanNode()),
-		placable_block: Opt(StringNode({ validator: 'resource', params: { pool: 'block' } })),
-		wearable: Opt(BooleanNode()),
-		default_color: Opt(NumberNode({ color: true })),
-		wearable_slot: Opt(StringNode()),
-		custom_render_mode: Opt(BooleanNode()),
-		render_mode_models: Opt(ListNode(
-			ObjectNode({
-				model: Reference('model_identifier'),
-				modes: ListNode(StringNode()),
-			})
-		)),
-	}, { context: `${ID}:item_information` }))
-
-	schemas.register(`${ID}:item_model`, ObjectNode({
-		textures: Opt(MapNode(
-			StringNode(),
-			StringNode({ validator: 'resource', params: { pool: '$texture' } }),
-		)),
-		parent: StringNode({ validator: 'resource', params: { pool: '$model'} }),
-	}, { context: `${ID}:item_model` }))
-
-	schemas.register(`${ID}:block`, Mod(ObjectNode({
-		block_type: Opt(StringNode({ enum: `${ID}:block_type`})),
-		information: Opt(Reference(`${ID}:block_information`)),
-		display: Opt(ObjectNode({
-			model: Opt(Reference(`${ID}:model`)),
-			item_model: Opt(Reference(`${ID}:model`)),
-			block_model: Opt(Reference(`${ID}:model`)),
-			lore: ListNode(
-				ObjectNode({
-					text: Reference(`${ID}:item_name_information`),
-				}),
-			),
-		})),
-		additional_information: Opt(ObjectNode({
-			extraBlocksName: Opt(StringNode()),
-			slab: Opt(BooleanNode()),
-			stairs: Opt(BooleanNode()),
-			walls: Opt(BooleanNode()),
-			fence: Opt(BooleanNode()),
-			fenceGate: Opt(BooleanNode()),
-			button: Opt(BooleanNode()),
-			pressurePlate: Opt(BooleanNode()),
-			door: Opt(BooleanNode()),
-			trapdoor: Opt(BooleanNode()),
-			path: Opt(BooleanNode()),
-			lantern: Opt(BooleanNode()),
-			barrel: Opt(BooleanNode()),
-			leaves: Opt(BooleanNode()),
-			plant: Opt(BooleanNode()),
-			chains: Opt(BooleanNode()),
-			cake_like: Opt(BooleanNode()),
-			waterloggable: Opt(BooleanNode()),
-			dyable: Opt(BooleanNode()),
-			defaultColor: Opt(NumberNode({ color: true })),
-			sittable: Opt(BooleanNode()),
-			isConvertible: Opt(BooleanNode()),
-			convertible: Opt(ObjectNode({
-				drops_item: Opt(BooleanNode()),
-				reversible: Opt(BooleanNode()),
-				parent_block: Opt(StringNode({ validator: 'resource', params: { pool: 'block' } })),
-				transformed_block: Opt(StringNode({ validator: 'resource', params: { pool: 'block' } })),
-				dropped_item: Opt(StringNode({ validator: 'resource', params: { pool: 'item' } })),
-				sound: Opt(StringNode()),
-				conversionItem: Opt(ObjectNode({
-					item: StringNode({ validator: 'resource', params: { pool: 'item' } }),
-					tag: StringNode({ validator: 'resource', params: { pool: '$tag/item' } }),
-				})),
-				reversalItem: Opt(ObjectNode({
-					item: StringNode({ validator: 'resource', params: { pool: 'item' } }),
-					tag: StringNode({ validator: 'resource', params: { pool: '$tag/item' } }),
-				})),
-			})),
-		})),
-		functions: Opt(ObjectNode({
-			random_tick: Opt(Reference(`${ID}:function`)),
-			scheduled_tick: Opt(Reference(`${ID}:function`)),
-			random_display_tick: Opt(Reference(`${ID}:function`)),
-			place: Opt(Reference(`${ID}:function`)),
-			break: Opt(Reference(`${ID}:function`)),
-			use: Opt(Reference(`${ID}:function`)),
-			walk_on: Opt(Reference(`${ID}:function`)),
-		})),
-		ore_information: Opt(ObjectNode({
-			test_type: Opt(StringNode({ enum: ['tag', 'always', 'block_match', 'block_state_match', 'random_block_match', 'random_block_state_match']})),
-			target_state: Opt(ObjectNode({
-				block: Opt(StringNode({ validator: 'resource', params: { pool: 'block' }})),
-				tag: Opt(StringNode({ validator: 'resource', params: { pool: '$tag/block' } })),
-				properties: Opt(MapNode(
-					StringNode(),
-					StringNode(),
-				)),
-				probability: Opt(NumberNode({ min: 0, max: 1 })),
-			})),
-			triangleRange: Opt(BooleanNode()),
-			plateau: Opt(NumberNode({ integer: true, min: 0 })),
-			spawnPredicate: Opt(StringNode({ enum: ['built_in', 'vanilla', 'overworld', 'the_nether', 'the_end', 'categories', 'biomes'] })),
-			biomeCategories: ListNode(StringNode()),
-			biomes: ListNode(
-				StringNode({ validator: 'resource', params: { pool: '$worldgen/biome' }})
-			),
-			size: Opt(NumberNode({ integer: true })),
-			chance: Opt(NumberNode({ integer: true, min: 1 })),
-			discardOnAirChance: Opt(NumberNode({ min: 0, max: 1 })),
-			topOffset: Reference(`${ID}:block_y_offset`),
-			bottomOffset: Reference(`${ID}:block_y_offset`),
-		})),
-		food_information: Opt(ObjectNode({
-			hunger: Opt(NumberNode({ integer: true, min: 0 })),
-			saturation: Opt(NumberNode({ integer: true, min: 0 })),
-			effects: ListNode(
-				ObjectNode({
-					effect: StringNode({ validator: 'resource', params: { pool: 'mob_effect' } }),
-					duration: Opt(NumberNode({ integer: true, min: 0 })),
-					amplifier: Opt(NumberNode({ integer: true, min: 0 })),
-					chance: Opt(NumberNode({ integer: true, min: 0, max: 1 })),
-				})
-			),
-		})),
-		cake_slices: Opt(NumberNode({integer: true, min: 1})),
-		campfire_properties: Opt(ObjectNode({
-			emits_particles: Opt(BooleanNode()),
-			fire_damage: Opt(NumberNode({ integer: true })),
-			luminance: Opt(NumberNode({ integer: true })),
-		})),
-		particle_type: Opt(StringNode()),
-		can_plant_on: Opt(ListNode(
-			StringNode({ validator: 'resource', params: { pool: 'block' } })
-		)),
-		growable: Opt(ObjectNode({
-			min_age: Opt(NumberNode({ integer: true, min: 1 })),
-			max_age: Opt(NumberNode({ integer: true })),
-		})),
-		oxidizable_properties: Opt(ObjectNode({
-			stages: Opt(ListNode(
-				ObjectNode({
-					can_be_waxed: Opt(BooleanNode()),
-					stairs: Opt(BooleanNode()),
-					slab: Opt(BooleanNode()),
-					blocks: Opt(ListNode(
-						ObjectNode({
-							name: Opt(Reference(`${ID}:name_information`)),
-							display: Opt(Reference(`${ID}:model`)),
-						})
-					)),
-				})
-			)),
-		})),
-		events: Opt(ListNode(Reference(`${ID}:event`))),
-		drop_information: Opt(ObjectNode({
-			drops: Opt(ListNode(
-				ObjectNode({
-					name: StringNode({ validator: 'resource', params: { pool: 'item' } }),
-					drops_if_silk_touch: Opt(BooleanNode()),
-				})
-			)),
-			survives_explosion: Opt(BooleanNode()),
-			xp_drop_amount: Opt(NumberNode({ integer: true })),
-		})),
-		is_multi_block: Opt(BooleanNode()),
-		multiblock_information: Opt(ObjectNode({
-			width: Opt(NumberNode({ integer: true })),
-			height: Opt(NumberNode({ integer: true })),
-		})),
-		placable_feature: Opt(StringNode({ validator: 'resource', params: { pool: '$worldgen/configured_feature' } })),
-	}, { context: `${ID}:block` }), {
-		default: () => ({}),
-	}))
-
-	schemas.register(`${ID}:block_information`, ObjectNode({
-		rarity: Opt(StringNode({ enum: ['common', 'uncommon', 'rare', 'epic']})),
-		creative_tab: Opt(StringNode()),
-		collidable: Opt(BooleanNode()),
-		max_stack_size: Opt(NumberNode({ integer: true, min: 1 })),
-		name: Opt(Reference(`${ID}:name_information`)),
-		vanilla_sound_group: Opt(StringNode()),
-		custom_sound_group: Opt(Reference(`${ID}:sound_group`)),
-		vanilla_material: Opt(StringNode()),
-		custom_material: Opt(Reference(`${ID}:material`)),
-		has_glint: Opt(BooleanNode()),
-		is_enchantable: Opt(BooleanNode()),
-		enchantability: Opt(NumberNode({ integer: true })),
-		fireproof: Opt(BooleanNode()),
-		translucent: Opt(BooleanNode()),
-		dynamic_boundaries: Opt(BooleanNode()),
-		has_item: Opt(BooleanNode()),
-		dyeable: Opt(BooleanNode()),
-		defaultColor: Opt(NumberNode({ color: true })),
-		wearable: Opt(BooleanNode()),
-		wearble_slot: Opt(StringNode()),
-		custom_render_mode: Opt(BooleanNode()),
-		render_mode_models: Opt(ListNode(
-			ObjectNode({
-				model: Reference('model_identifier'),
-				modes: ListNode(StringNode()),
-			})
-		)),
-	}, { context: `${ID}:block_information` }))
-
-	schemas.register(`${ID}:block_y_offset`, ObjectNode({
-		type: Opt(StringNode({enum: ['fixed', 'above_bottom', 'below_top', 'bottom', 'top']})),
-		offset: Opt(NumberNode({ integer: true })),
-	}))
-
-	schemas.register(`${ID}:function`, ObjectNode({
-		predicate: Opt(Reference(`${ID}:predicate`)),
-		function_type: StringNode({ enum: ['NONE', 'REQUIRES_SHIFTING', 'REQUIRES_ITEM', 'REQUIRES_SHIFTING_AND_ITEM'] }),
-		[Switch]: [{ push: 'function_type' }],
-		[Case]: {
-			NONE: {},
-			REQUIRES_SHIFTING: {},
-			REQUIRES_ITEM: { item: StringNode({ validator: 'resource', params: { pool: 'item' } }) },
-			REQUIRES_SHIFTING_AND_ITEM: { item: StringNode({ validator: 'resource', params: { pool: 'item' } }) },
-		},
-		function_file: StringNode(),
-	}, { context: `${ID}:function` }))
-
-	schemas.register(`${ID}:predicate`, ObjectNode({
-		predicate_type: Opt(StringNode({ enum: ['ALWAYS', 'EQUALS', 'NOT_EQUALS', 'CONTAINS', 'NOT_CONTAINS', 'BEGINS_WITH', 'ENDS_WITH', 'REGEX'] })),
-		[Switch]: [{ push: 'predicate_type' }],
-		[Case]: {
-			ALWAYS: {},
-			EQUALS: { left: StringNode(), right: StringNode() },
-			NOT_EQUALS: { left: StringNode(), right: StringNode() },
-			CONTAINS: { left: StringNode(), right: StringNode() },
-			NOT_CONTAINS: { left: StringNode(), right: StringNode() },
-			BEGINS_WITH: { left: StringNode(), right: StringNode() },
-			ENDS_WITH: { left: StringNode(), right: StringNode() },
-			REGEX: { left: StringNode(), right: StringNode() },
-		},
-	}, { context: `${ID}:predicate` }))
-
-	schemas.register(`${ID}:model`, ObjectNode({
-		textures: Opt(MapNode(
-			StringNode(),
-			StringNode({ validator: 'resource', params: { pool: '$texture' } }),
-		)),
-		parent: StringNode({ validator: 'resource', params: { pool: '$model'} }),
-	}, { context: `${ID}:model` }))
-
-	schemas.register(`${ID}:sound_group`, ObjectNode({
-		id: Opt(StringNode()),
-		break_sound: Opt(StringNode()),
-		step_sound: Opt(StringNode()),
-		place_sound: Opt(StringNode()),
-		hit_sound: Opt(StringNode()),
-	}, { context: `${ID}:sound_group` }))
-
-	schemas.register(`${ID}:material`, ObjectNode({
-		id: Opt(StringNode()),
-		map_color: Opt(StringNode()),
-		allows_movement: Opt(BooleanNode()),
-		burnable: Opt(BooleanNode()),
-		liquid: Opt(BooleanNode()),
-		allows_light: Opt(BooleanNode()),
-		replacable: Opt(BooleanNode()),
-		solid: Opt(BooleanNode()),
-		piston_behaviour: Opt(StringNode({ enum: ['NORMAL', 'DESTROY', 'BLOCK', 'IGNORE', 'PUSH_ONLY'] })),
-	}, { context: `${ID}:material` }))
-
-	// COMMON
-	schemas.register(`${ID}:name_information`, ObjectNode({
-		id: StringNode(),
-		text: Opt(StringNode()),
-		type: Opt(StringNode({ enum: ['literal', 'translatable'] })),
-		translated: Opt(MapNode(
-			StringNode(),
-			StringNode(),
-		)),
-		color: Opt(StringNode()),
-		formatting: Opt(ListNode(StringNode())),
-	}))
-
-	schemas.register(`${ID}:display_information`, ObjectNode({
-		// TODO
-	}))
-
-	schemas.register(`${ID}:event`, ObjectNode({
-		activations: StringNode({enum: ['use', 'shift_use', 'collide', 'walk_on']}),
-		predicate: Opt(StringNode({ validator: 'resource', params: { pool: '$predicate' } })),
-		type: StringNode({ enum: ['give_effect', 'damage', 'decrement_stack', 'kill', 'play_sound', 'remove_effect', 'run_command', 'set_block', 'set_block_at_pos', 'set_block_property', 'spawn_loot', 'spawn_entity'] }),
-		[Switch]: [{ push: 'type' }],
-		[Case]: {
-			give_effect: {
-				amplifier: NumberNode({ integer: true }),
-				duration: NumberNode(),
-				effect: StringNode({ validator: 'resource', params: { pool: 'mob_effect' } }),
-				target: StringNode(),
-			},
-			damage: {
-				amount: NumberNode({ integer: true }),
-				target: StringNode(),
-				damage_type: StringNode(),
-			},	
-			decrement_stack: {
-				amount: NumberNode({ integer: true }),
-			},
-			kill: {
-				target: StringNode(),
-			},
-			remove_effect: {
-				effect: StringNode({ validator: 'resource', params: { pool: 'mob_effect' } }),
-				target: StringNode(),
-			},
-			run_command: {
-				command: StringNode(),
-				target: StringNode(),
-			},
-			set_block: {
-				block: StringNode({ validator: 'resource', params: { pool: 'block' } }),
-				x_pos: NumberNode(),
-				y_pos: NumberNode(),
-				z_pos: NumberNode(),
-			},
-			set_block_at_pos: {
-				block: StringNode({ validator: 'resource', params: { pool: 'block' } }),
-				x_pos: NumberNode(),
-				y_pos: NumberNode(),
-				z_pos: NumberNode(),
-			},
-			set_block_property: {
-				block: StringNode({ validator: 'resource', params: { pool: 'block' } }),
-				property: StringNode(),
-				value: StringNode(),
-			},
-			spawn_loot: {
-				loot_table: StringNode({ validator: 'resource', params: { pool: '$loot_table' } }),
-				x_pos: NumberNode(),
-				y_pos: NumberNode(),
-				z_pos: NumberNode(),
-			},
-			spawn_entity: {
-				entity_type: StringNode({ validator: 'resource', params: { pool: 'entity_type' } }),
-				x_pos: NumberNode(),
-				y_pos: NumberNode(),
-				z_pos: NumberNode(),
-				amount: NumberNode({ integer: true }),
-			},
-		},
-	}))
-
-
-	// COLLECTIONS
-	collections.register(`${ID}:block_type`, [
-		'BLOCK',
-		'HORIZONTAL_FACING_BLOCK',
-		'ROTATABLE_BLOCK',
-		'CAMPFIRE',
-		'STAIRS',
-		'SLAB',
-		'WALL',
-		'FENCE',
-		'FENCE_GATE',
-		'CAKE',
-		'BED',
-		'TRAPDOOR',
-		'METAL_DOOR',
-		'WOODEN_DOOR',
-		'LOG',
-		'STEM',
-		'WOOD',
-		'OXIDIZING_BLOCK',
-		'PLANT',
-		'PILLAR',
-		'HORIZONTAL_FACING_PLANT',
-		'SAPLING',
-		'TORCH',
-		'BEEHIVE',
-		'LEAVES',
-		'LADDER',
-		'PATH',
-		'WOODEN_BUTTON',
-		'STONE_BUTTON',
-		'DOUBLE_PLANT',
-		'HORIZONTAL_FACING_DOUBLE_PLANT',
-		'HANGING_DOUBLE_LEAVES',
-		'EIGHT_DIRECTIONAL_BLOCK',
-		'LANTERN',
-		'CHAIN',
-		'PANE',
-		'DYEABLE',
-		'LOOM',
-		'GRINDSTONE',
-		'CRAFTING_TABLE',
-		'PISTON',
-		'NOTEBLOCK',
-		'JUKEBOX',
-		'SMOKER',
-		'FURNACE',
-		'BLAST_FURNACE',
-		'LECTERN',
-		'FLETCHING_TABLE',
-		'BARREL',
-		'COMPOSTER',
-		'RAILS',
-		'CARTOGRAPHY_TABLE',
-		'CARPET',
-	])
-}
diff --git a/src/app/partners/OhTheTreesYoullGrow.ts b/src/app/partners/OhTheTreesYoullGrow.ts
deleted file mode 100644
index e33ba726..00000000
--- a/src/app/partners/OhTheTreesYoullGrow.ts
+++ /dev/null
@@ -1,114 +0,0 @@
-import type { CollectionRegistry, SchemaRegistry } from '@mcschema/core'
-import { Case, ListNode, Mod, NumberNode, ObjectNode, Opt, Reference as RawReference, StringNode as RawStringNode, Switch } from '@mcschema/core'
-
-export function initOhTheTreesYoullGrow(schemas: SchemaRegistry, collections: CollectionRegistry) {
-	const Reference = RawReference.bind(undefined, schemas)
-	const StringNode = RawStringNode.bind(undefined, collections)
-	
-	collections.register('ohthetreesyoullgrow:feature', [
-		'ohthetreesyoullgrow:tree_from_nbt_v1',
-	])
-
-	const BlockSet = ListNode(
-		StringNode({ validator: 'resource', params: { pool: 'block' } })
-	)
-
-	schemas.register('ohthetreesyoullgrow:configured_feature', Mod(ObjectNode({
-		type: StringNode({ validator: 'resource', params: { pool: 'ohthetreesyoullgrow:feature' as any } }),
-		config: ObjectNode({
-			[Switch]: ['pop', { push: 'type' }],
-			[Case]: {
-				'ohthetreesyoullgrow:tree_from_nbt_v1': {
-					base_location: StringNode({ validator: 'resource', params: { pool: '$structure' } }),
-					canopy_location: StringNode({ validator: 'resource', params: { pool: '$structure' } }),
-					can_grow_on_filter: Reference('block_predicate_worldgen'),
-					can_leaves_place_filter: Reference('block_predicate_worldgen'),
-					decorators: Opt(ListNode(
-						ObjectNode({
-							type: StringNode({ validator: 'resource', params: { pool: 'worldgen/tree_decorator_type' } }),
-							[Switch]: [{ push: 'type' }],
-							[Case]: {
-								'minecraft:alter_ground': {
-									provider: Reference('block_state_provider'),
-								},
-								'minecraft:attached_to_leaves': {
-									probability: NumberNode({ min: 0, max: 1 }),
-									exclusion_radius_xz: NumberNode({ integer: true, min: 0, max: 16 }),
-									exclusion_radius_y: NumberNode({ integer: true, min: 0, max: 16 }),
-									required_empty_blocks: NumberNode({ integer: true, min: 1, max: 16 }),
-									block_provider: Reference('block_state_provider'),
-									directions: ListNode(
-										StringNode({ enum: 'direction' })
-									),
-								},
-								'minecraft:beehive': {
-									probability: NumberNode({ min: 0, max: 1 }),
-								},
-								'minecraft:cocoa': {
-									probability: NumberNode({ min: 0, max: 1 }),
-								},
-								'minecraft:leave_vine': {
-									probability: NumberNode({ min: 0, max: 1 }),
-								},
-							},
-						}, { context: 'tree_decorator' })
-					)),
-					height: Reference('int_provider'),
-					leaves_provider: Reference('block_state_provider'),
-					leaves_target: BlockSet,
-					log_provider: Reference('block_state_provider'),
-					log_target: BlockSet,
-					max_log_depth: Opt(NumberNode({ integer: true })),
-					place_from_nbt: BlockSet,
-				},
-			},
-		}, { disableSwitchContext: true }),
-	}, { context: 'ohthetreesyoullgrow.configured_feature' }), {
-		default: () => ({
-			type: 'ohthetreesyoullgrow:tree_from_nbt_v1',
-			config: {
-				can_grow_on_filter: {
-					type: 'minecraft:matching_block_tag',
-					tag: 'minecraft:dirt',
-				},
-				can_leaves_place_filter: {
-					type: 'minecraft:replaceable',
-				},
-				height: {
-					type: 'minecraft:uniform',
-					value: {
-						min_inclusive: 5,
-						max_inclusive: 10,
-					},
-				},
-				leaves_provider: {
-					type: 'minecraft:simple_state_provider',
-					state: {
-						Name: 'minecraft:acacia_leaves',
-						Properties: {
-							distance: '7',
-							persistent: 'false',
-							waterlogged: 'false',
-						},
-					},
-				},
-				leaves_target: [
-					'minecraft:oak_leaves',
-				],
-				log_provider: {
-					type: 'minecraft:simple_state_provider',
-					state: {
-						Name: 'minecraft:acacia_log',
-						Properties: {
-							axis: 'y',
-						},
-					},
-				},
-				log_target: [
-					'minecraft:oak_log',
-				],
-				place_from_nbt: [],
-			},
-		}),
-	}))
-}
diff --git a/src/app/partners/index.ts b/src/app/partners/index.ts
deleted file mode 100644
index 40686fa9..00000000
--- a/src/app/partners/index.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import type { CollectionRegistry, SchemaRegistry } from '@mcschema/core'
-import type { VersionId } from '../services/Schemas.js'
-import { initImmersiveWeathering } from './ImmersiveWeathering.js'
-import { initLithostitched } from './Lithostitched.js'
-import { initNeoForge } from './NeoForge.js'
-import { initObsidian } from './Obsidian.js'
-import { initOhTheTreesYoullGrow } from './OhTheTreesYoullGrow.js'
-
-export * from './ImmersiveWeathering.js'
-export * from './Lithostitched.js'
-
-export function initPartners(schemas: SchemaRegistry, collections: CollectionRegistry, version: VersionId) {
-	initImmersiveWeathering(schemas, collections)
-	initLithostitched(schemas, collections, version)
-	initNeoForge(schemas, collections, version)
-	initObsidian(schemas, collections)
-	initOhTheTreesYoullGrow(schemas, collections)
-}
diff --git a/src/app/partners/locales/en.json b/src/app/partners/locales/en.json
deleted file mode 100644
index c5cb767e..00000000
--- a/src/app/partners/locales/en.json
+++ /dev/null
@@ -1,176 +0,0 @@
-{
-  "immersive_weathering.area_condition.type": "Type",
-  "immersive_weathering.area_condition.type.generate_if_not_too_many": "Generate if not too many",
-  "immersive_weathering.area_condition.type.neighbor_based_generation": "Neighbor based generation",
-  "immersive_weathering.area_condition.generate_if_not_too_many.radiusX": "Radius X",
-  "immersive_weathering.area_condition.generate_if_not_too_many.radiusY": "Radius Y",
-  "immersive_weathering.area_condition.generate_if_not_too_many.radiusZ": "Radius Z",
-  "immersive_weathering.area_condition.generate_if_not_too_many.requiredAmount": "Required amount",
-  "immersive_weathering.area_condition.generate_if_not_too_many.yOffset": "Y offset",
-  "immersive_weathering.area_condition.generate_if_not_too_many.must_have": "Must have",
-  "immersive_weathering.area_condition.generate_if_not_too_many.must_not_have": "Must not have",
-  "immersive_weathering.area_condition.generate_if_not_too_many.includes": "Includes",
-  "immersive_weathering.area_condition.neighbor_based_generation.must_have": "Must have",
-  "immersive_weathering.area_condition.neighbor_based_generation.must_not_have": "Must not have",
-  "immersive_weathering.area_condition.neighbor_based_generation.required_amount": "Required amount",
-  "immersive_weathering.area_condition.neighbor_based_generation.directions": "Directions",
-  "immersive_weathering.area_condition.neighbor_based_generation.directions.entry": "Direction",
-  "immersive_weathering.block_growth.area_condition": "Area conditions",
-  "immersive_weathering.block_growth.position_predicates": "Position predicates",
-  "immersive_weathering.block_growth.position_predicates.entry": "Position test",
-  "immersive_weathering.block_growth.growth_chance": "Growth chance",
-  "immersive_weathering.block_growth.growth_for_face": "Growth for face",
-  "immersive_weathering.block_growth.growth_for_face.entry": "Face",
-  "immersive_weathering.block_growth.growth_for_face.entry.direction": "Direction",
-  "immersive_weathering.block_growth.growth_for_face.entry.weight": "Weight",
-  "immersive_weathering.block_growth.growth_for_face.entry.growth": "Growth",
-  "immersive_weathering.block_growth.growth_for_face.entry.growth.entry.data": "Block pair",
-  "immersive_weathering.block_growth.growth_for_face.entry.growth.entry.weight": "Weight",
-  "immersive_weathering.block_growth.owners": "Owners",
-  "immersive_weathering.block_growth.owners.entry": "Block",
-  "immersive_weathering.block_growth.replacing_target": "Replacing target",
-  "immersive_weathering.block_growth.target_self": "Target self",
-  "immersive_weathering.block_growth.destroy_target": "Destroy target",
-  "immersive_weathering.block_pair.block": "Block",
-  "immersive_weathering.block_pair.above_block": "Above block",
-  "immersive_weathering.position_test.predicate_type": "Predicate type",
-  "immersive_weathering.position_test.predicate_type.biome_match": "Biome match",
-  "immersive_weathering.position_test.predicate_type.day_test": "Day test",
-  "immersive_weathering.position_test.predicate_type.nand": "NAND",
-  "immersive_weathering.position_test.predicate_type.precipitation_test": "Precipitation test",
-  "immersive_weathering.position_test.predicate_type.temperature_range": "Temperature range",
-  "immersive_weathering.position_test.biome_match.biomes": "Biomes",
-  "immersive_weathering.position_test.day_test.day": "Day",
-  "immersive_weathering.position_test.nand.predicates": "Predicates",
-  "immersive_weathering.position_test.precipitation_test.precipitation": "Precipitation",
-  "immersive_weathering.position_test.temperature_range.min": "Min",
-  "immersive_weathering.position_test.temperature_range.max": "Max",
-  "immersive_weathering.position_test.temperature_range.use_local_pos": "Use local pos",
-  "immersive_weathering:rule_test.always_true": "Always true",
-  "immersive_weathering:rule_test.block_match": "Block match",
-  "immersive_weathering:rule_test.blockstate_match": "Block state match",
-  "immersive_weathering:rule_test.random_block_match": "Random block match",
-  "immersive_weathering:rule_test.random_blockstate_match": "Random block state match",
-  "immersive_weathering:rule_test.tag_match": "Tag match",
-  "immersive_weathering:rule_test.immersive_weathering:block_set_match": "Block set match",
-  "immersive_weathering:rule_test.immersive_weathering:fluid_match": "Fluid match",
-  "immersive_weathering:rule_test.immersive_weathering:tree_log": "Tree log",
-
-  "lithostitched:modifier_type.lithostitched:add_biome_spawns": "Add biome spawns",
-  "lithostitched:modifier_type.lithostitched:add_features": "Add features",
-  "lithostitched:modifier_type.lithostitched:add_pool_aliases": "Add pool aliases",
-  "lithostitched:modifier_type.lithostitched:add_structure_set_entries": "Add structure set entries",
-  "lithostitched:modifier_type.lithostitched:add_surface_rule": "Add surface rule",
-  "lithostitched:modifier_type.lithostitched:add_template_pool_elements": "Add template pool elements",
-  "lithostitched:modifier_type.lithostitched:no_op": "Nothing",
-  "lithostitched:modifier_type.lithostitched:redirect_feature": "Redirect feature",
-  "lithostitched:modifier_type.lithostitched:remove_biome_spawns": "Remove biome spawns",
-  "lithostitched:modifier_type.lithostitched:remove_features": "Remove features",
-  "lithostitched:modifier_type.lithostitched:remove_structures_from_structure_set": "Remove structures from set",
-  "lithostitched:modifier_type.lithostitched:replace_climate": "Replace climate",
-  "lithostitched:modifier_type.lithostitched:replace_effects": "Replace effects",
-  "lithostitched:modifier_predicate_type.lithostitched:all_of": "All of",
-  "lithostitched:modifier_predicate_type.lithostitched:any_of": "Any of",
-  "lithostitched:modifier_predicate_type.lithostitched:mod_loaded": "Mod loaded",
-  "lithostitched:modifier_predicate_type.lithostitched:not": "Not",
-  "lithostitched:modifier_predicate_type.lithostitched:true": "True",
-
-  "neoforge:biome_modifier_type.neoforge:none": "Disable Biome Modifier",
-  "neoforge:biome_modifier_type.neoforge:add_features": "Add Features",
-  "neoforge:biome_modifier_type.neoforge:remove_features": "Remove Features",
-  "neoforge:biome_modifier_type.neoforge:add_spawns": "Add Mob Spawns",
-  "neoforge:biome_modifier_type.neoforge:remove_spawns": "Remove Mob Spawns",
-  "neoforge:biome_modifier_type.neoforge:add_carvers": "Add World Carvers",
-  "neoforge:biome_modifier_type.neoforge:remove_carvers": "Remove World Carvers",
-  "neoforge:biome_modifier_type.neoforge:add_spawn_costs": "Add Mob Spawn Costs",
-  "neoforge:biome_modifier_type.neoforge:remove_spawn_costs": "Remove Mob Spawn Costs",
-  "neoforge:structure_modifier_type.neoforge:none": "Disable Structure Modifier",
-  "neoforge:structure_modifier_type.neoforge:add_spawns": "Add Mob Spawns",
-  "neoforge:structure_modifier_type.neoforge:remove_spawns": "Remove Mob Spawns",
-  "neoforge:structure_modifier_type.neoforge:clear_spawns": "Clear Mob Spawns",
-
-  "obsidian:item.information": "Item Information",
-  "obsidian:item_information.rarity": "Rarity",
-  "obsidian:item_information.creative_tab": "Creative Tab",
-  "obsidian:item_information.max_stack_size": "Max Stack Size",
-  "obsidian:item_information.name": "Item Name",
-  "obsidian:item_information.has_enchantment_glint": "Has Enchantment Glint",
-  "obsidian:item_information.is_enchantable": "Is Enchantable",
-  "obsidian:item_information.enchantability": "Enchantability",
-  "obsidian:item_information.use_duration": "Item Duration",
-  "obsidian:item_information.can_place_block": "Can Place Block",
-  "obsidian:item_information.placable_block": "Placable Block",
-  "obsidian:item_information.wearable": "Wearable",
-  "obsidian:item_information.default_color": "Default Color",
-  "obsidian:item_information.wearable_slot": "Wearable Slot",
-  "obsidian:item_information.custom_render_mode": "Has display-based models",
-  "obsidian:item_information.render_mode_models": "Display-based Models",
-  "obsidian:item.display": "Display",
-  "obsidian:item.display.model": "Model",
-  "obsidian:item.display.item_model": "Item Model",
-  "obsidian:item.display.lore": "Lore",
-  "obsidian:item.use_action": "Use Action",
-  "obsidian:item.use_action.action": "Action",
-  "obsidian:item.use_action.right_click_action": "Right Click Action",
-  "obsidian:item.use_action.command": "Command",
-  "obsidian:item.use_action.url": "URL",
-  "obsidian:item.use_action.gui_size": "GUI Size",
-  "obsidian:item.use_action.gui_title": "GUI Title",
-
-  "obsidian:block.block_type": "Block Type",
-  "obsidian:block.information": "Block Information",
-  "obsidian:block_information.rarity": "Rarity",
-  "obsidian:block_information.creative_tab": "Creative Tab",
-  "obsidian:block_information.max_stack_size": "Max Stack Size",
-  "obsidian:block_information.name": "Item Name",
-  "obsidian:block_information.sound_group_type": "Sound Group Type",
-  "obsidian:block_information.vanilla_sound_group": "Vanilla Sound Group",
-  "obsidian:block_information.custom_sound_group": "Custom Sound Group",
-  "obsidian:block_information.material_type": "Material Type",
-  "obsidian:block_information.vanilla_material": "Vanilla Material",
-  "obsidian:block_information.custom_material": "Custom Material",
-  "obsidian:block.display": "Display",
-  "obsidian:block.additional_information": "Additional Information",
-  "obsidian:block.ore_information": "Ore Information",
-  "obsidian:block.food_information": "Food Information",
-  "obsidian:block.block_type.CAMPFIRE.campfire_properties": "Campfire Properties",
-  "obsidian:block.can_plant_on": "Can Plant On",
-  "obsidian:block.particle_type": "Particle Type",
-  "obsidian:block.growable": "Growable",
-  "obsidian:block.oxidizable_properties": "Oxidizable Properties",
-  "obsidian:block.events": "Events",
-  "obsidian:block.drop_information": "Drop Information",
-  "obsidian:block.is_multi_block": "Is Multi-Block",
-  "obsidian:block.multiblock_information": "Multiblock Information",
-  "obsidian:block.placable_feature": "Placable Feature",
-  "obsidian:block.display.model": "Model",
-  "obsidian:block.display.item_model": "Item Model",
-  "obsidian:block.display.block_model": "Block Model",
-  "obsidian:block.display.lore": "Lore",
-
-  "ohthetreesyoullgrow:feature.ohthetreesyoullgrow:tree_from_nbt_v1": "Tree from NBT v1",
-  "ohthetreesyoullgrow.configured_feature.type": "Type",
-  "ohthetreesyoullgrow.configured_feature.config": "Config",
-  "ohthetreesyoullgrow.configured_feature.config.base_location": "Base location",
-  "ohthetreesyoullgrow.configured_feature.config.base_location.help": "The path to the trunk structure piece.",
-  "ohthetreesyoullgrow.configured_feature.config.canopy_location": "Canopy location",
-  "ohthetreesyoullgrow.configured_feature.config.canopy_location.help": "The path to the canopy structure piece.",
-  "ohthetreesyoullgrow.configured_feature.config.can_grow_on_filter": "Can grow on filter",
-  "ohthetreesyoullgrow.configured_feature.config.can_grow_on_filter.help": "Block filter for which this tree is allowed to grow on. Checks all of the red wool positions defined by the trunk.",
-  "ohthetreesyoullgrow.configured_feature.config.can_leaves_place_filter": "Can leaves place filter",
-  "ohthetreesyoullgrow.configured_feature.config.can_leaves_place_filter.help": "Block filter for which this tree's leaves are allowed to place.",
-  "ohthetreesyoullgrow.configured_feature.config.decorators": "Decorators",
-  "ohthetreesyoullgrow.configured_feature.config.decorators.entry": "Decorator",
-  "ohthetreesyoullgrow.configured_feature.config.height": "Height",
-  "ohthetreesyoullgrow.configured_feature.config.height.help": "Int provider defining the height of the tree.",
-  "ohthetreesyoullgrow.configured_feature.config.leaves_provider": "Leaves provider",
-  "ohthetreesyoullgrow.configured_feature.config.leaves_target": "Leaves target",
-  "ohthetreesyoullgrow.configured_feature.config.leaves_target.entry": "Block",
-  "ohthetreesyoullgrow.configured_feature.config.log_provider": "Log provider",
-  "ohthetreesyoullgrow.configured_feature.config.log_target": "Log target",
-  "ohthetreesyoullgrow.configured_feature.config.log_target.entry": "Block",
-  "ohthetreesyoullgrow.configured_feature.config.max_log_depth": "Max log depth",
-  "ohthetreesyoullgrow.configured_feature.config.place_from_nbt": "Place from NBT",
-  "ohthetreesyoullgrow.configured_feature.config.place_from_nbt.help": "Additional blocks from the structure pieces that should be placed in the world.",
-  "ohthetreesyoullgrow.configured_feature.config.place_from_nbt.entry": "Block"
-}
diff --git a/src/app/schema/ModelWrapper.ts b/src/app/schema/ModelWrapper.ts
deleted file mode 100644
index ffe811d6..00000000
--- a/src/app/schema/ModelWrapper.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import type { INode, Path } from '@mcschema/core'
-import { DataModel } from '@mcschema/core'
-
-export class ModelWrapper extends DataModel {
-	constructor(
-		schema: INode<any>,
-		private readonly mapper: (path: Path) => Path,
-		private readonly getter: (path: Path) => any,
-		private readonly setter: (path: Path, value: any, silent?: boolean) => any,
-	) {
-		super(schema)
-	}
-
-	map(path: Path) {
-		return this.mapper(path)
-	}
-
-	get(path: Path) {
-		return this.getter(path)
-	}
-
-	set(path: Path, value: any, silent?: boolean) {
-		return this.setter(path, value, silent)
-	}
-}
diff --git a/src/app/schema/renderHtml.tsx b/src/app/schema/renderHtml.tsx
deleted file mode 100644
index 031c37e8..00000000
--- a/src/app/schema/renderHtml.tsx
+++ /dev/null
@@ -1,719 +0,0 @@
-import type { BooleanHookParams, EnumOption, Hook, INode, ListHookParams, NodeChildren, NumberHookParams, StringHookParams, ValidationOption } from '@mcschema/core'
-import { DataModel, ListNode, MapNode, ModelPath, ObjectNode, Path, relativePath, StringNode } from '@mcschema/core'
-import { Identifier, ItemStack } from 'deepslate/core'
-import type { ComponentChildren, JSX } from 'preact'
-import { memo } from 'preact/compat'
-import { useState } from 'preact/hooks'
-import { Btn, Octicon } from '../components/index.js'
-import { ItemDisplay } from '../components/ItemDisplay.jsx'
-import { VanillaColors } from '../components/previews/BiomeSourcePreview.jsx'
-import config from '../Config.js'
-import { localize, useLocale, useStore } from '../contexts/index.js'
-import { useFocus } from '../hooks/index.js'
-import type { BlockStateRegistry, VersionId } from '../services/index.js'
-import { CachedDecorator, CachedFeature, checkVersion } from '../services/index.js'
-import { deepClone, deepEqual, generateColor, generateUUID, hexId, hexToRgb, isObject, newSeed, rgbToHex, stringToColor } from '../Utils.js'
-import { ModelWrapper } from './ModelWrapper.js'
-
-const selectRegistries = ['loot_table.type', 'loot_entry.type', 'function.function', 'condition.condition', 'criterion.trigger', 'recipe.type', 'dimension.generator.type', 'dimension.generator.biome_source.type', 'dimension.generator.biome_source.preset', 'carver.type', 'feature.type', 'decorator.type', 'feature.tree.minimum_size.type', 'block_state_provider.type', 'trunk_placer.type', 'foliage_placer.type', 'tree_decorator.type', 'int_provider.type', 'float_provider.type', 'height_provider.type', 'structure_feature.type', 'surface_builder.type', 'processor.processor_type', 'rule_test.predicate_type', 'pos_rule_test.predicate_type', 'template_element.element_type', 'block_placer.type', 'block_predicate.type', 'material_rule.type', 'material_condition.type', 'structure_placement.type', 'density_function.type', 'root_placer.type', 'entity.type_specific.cat.variant', 'entity.type_specific.frog.variant', 'rule_block_entity_modifier.type', 'pool_alias_binding.type', 'lithostitched.worldgen_modifier.type', 'lithostitched.modifier_predicate.type', 'ohthetreesyoullgrow.configured_feature.type', 'enchantment_provider.type', 'enchantment_value_effect.type', 'level_based_value.type', 'neoforge.biome_modifier.type', 'neoforge.structure_modifier.type', 'tint_source.type', 'item_model.condition.property', 'item_model.select.property', 'item_model.range_dispatch.property', 'special_item_model.type']
-const datalistEnums = ['item_stack.components', 'function.set_components.components']
-const hiddenFields = ['number_provider.type', 'score_provider.type', 'nbt_provider.type', 'int_provider.type', 'float_provider.type', 'height_provider.type', 'level_based_value.type']
-const flattenedFields = ['feature.config', 'decorator.config', 'int_provider.value', 'float_provider.value', 'block_state_provider.simple_state_provider.state', 'block_state_provider.rotated_block_provider.state', 'block_state_provider.weighted_state_provider.entries.entry.data', 'rule_test.block_state', 'structure_feature.config', 'surface_builder.config', 'template_pool.elements.entry.element', 'decorator.block_survives_filter.state', 'material_rule.block.result_state', 'enchantment.effects.entry.effect']
-const inlineFields = ['loot_entry.type', 'function.function', 'condition.condition', 'criterion.trigger', 'dimension.generator.type', 'dimension.generator.biome_source.type', 'feature.type', 'decorator.type', 'block_state_provider.type', 'feature.tree.minimum_size.type', 'trunk_placer.type', 'foliage_placer.type', 'tree_decorator.type', 'block_placer.type', 'rule_test.predicate_type', 'processor.processor_type', 'template_element.element_type', 'nbt_operation.op', 'number_provider.value', 'score_provider.name', 'score_provider.target', 'nbt_provider.source', 'nbt_provider.target', 'generator_biome.biome', 'block_predicate.type', 'material_rule.type', 'material_condition.type', 'density_function.type', 'root_placer.type', 'entity.type_specific.type', 'glyph_provider.type', 'sprite_source.type', 'rule_block_entity_modifier.type', 'immersive_weathering.area_condition.type', 'immersive_weathering.block_growth.growth_for_face.entry.direction', 'immersive_weathering.position_test.predicate_type', 'pool_alias_binding.type', 'item_stack.id', 'data_component.container.entry.slot', 'map_decoration.type', 'suspicious_stew_effect_instance.id', 'enchantment_value_effect.type', 'enchantment_effect.type', 'particle.type', 'item_model.type', 'special_item_model.type', 'tint_source.type']
-const nbtFields = ['function.set_nbt.tag', 'advancement.display.icon.nbt', 'text_component_object.nbt', 'entity.nbt', 'block.nbt', 'item.nbt']
-const fixedLists = ['generator_biome.parameters.temperature', 'generator_biome.parameters.humidity', 'generator_biome.parameters.continentalness', 'generator_biome.parameters.erosion', 'generator_biome.parameters.depth', 'generator_biome.parameters.weirdness', 'feature.end_spike.crystal_beam_target', 'feature.end_gateway.exit', 'decorator.block_filter.offset', 'block_predicate.has_sturdy_face.offset', 'block_predicate.inside_world_bounds.offset', 'block_predicate.matching_block_tag.offset', 'block_predicate.matching_blocks.offset', 'block_predicate.matching_fluids.offset', 'block_predicate.would_survive.offset', 'model_element.from', 'model_element.to', 'model_element.rotation.origin', 'model_element.faces.uv', 'item_transform.rotation', 'item_transform.translation', 'item_transform.scale', 'generator_structure.random_spread.locate_offset', 'pack_overlay.formats', 'data_component.profile.id', 'data_component.lodestone_tracker.tracker.pos', 'attribute_modifier.uuid', 'tint_source.constant.value', 'tint_source.dye.default', 'tint_source.firework.default', 'tint_source.potion.default', 'tint_source.map_color.default']
-const collapsedFields = ['noise_settings.surface_rule', 'noise_settings.noise.terrain_shaper']
-const collapsableFields = ['density_function.argument', 'density_function.argument1', 'density_function.argument2', 'density_function.input', 'density_function.when_in_range', 'density_function.when_out_of_range']
-const itemPreviewFields = ['loot_pool.entries.entry', 'loot_entry.alternatives.children.entry', 'loot_entry.group.children.entry', 'loot_entry.sequence.children.entry', 'function.set_contents.entries.entry']
-const forceEnumContexts: Record<string, string> = { 'loot_table.type': 'loot_table.type', 'condition.condition': 'loot_condition_type', 'function.function': 'loot_function_type' }
-
-const findGenerator = (id: string) => {
-	return config.generators.find(g => g.id === id.replace(/^\$/, ''))
-}
-
-/**
- * Secondary model used to remember the keys of a map
- */
-const keysModel = new DataModel(MapNode(
-	StringNode(),
-	StringNode()
-), { historyMax: 0 })
-
-type JSXTriple = [JSX.Element | null, JSX.Element | null, JSX.Element | null]
-type RenderHook = Hook<[any, string, VersionId, BlockStateRegistry, Record<string, any>], JSXTriple>
-
-type NodeProps<T> = T & {
-	node: INode<any>,
-	path: ModelPath,
-	value: any,
-	lang: string,
-	version: VersionId,
-	states: BlockStateRegistry,
-	ctx: Record<string, any>,
-}
-
-export function FullNode({ model, lang, version, blockStates }: { model: DataModel, lang: string, version: VersionId, blockStates: BlockStateRegistry }) {
-	const path = new ModelPath(model)
-	const [prefix, suffix, body] = model.schema.hook(renderHtml, path, deepClone(model.data), lang, version, blockStates, {})
-	return suffix?.props?.children.some((c: any) => c) ? <div class={`node ${model.schema.type(path)}-node`} data-category={model.schema.category(path)}>
-		<div class="node-header">{prefix}{suffix}</div>
-		<div class="node-body">{body}</div>
-	</div> : body
-}
-
-const renderHtml: RenderHook = {
-	base() {
-		return [null, null, null]
-	},
-
-	boolean(params, path, value, lang, version, states, ctx) {
-		return [null, <BooleanSuffix {...{...params, path, value, lang, version, states, ctx}} />, null]
-	},
-
-	choice({ choices, config, switchNode }, path, value, lang, version, states, ctx) {
-		const choice = switchNode.activeCase(path, true) as typeof choices[number]
-		const contextPath = (config?.context) ? new ModelPath(path.getModel(), new Path(path.getArray(), [config.context])) : path
-		const [prefix, suffix, body] = choice.node.hook(this, contextPath, value, lang, version, states, ctx)
-		if (choices.length === 1) {
-			return [prefix, suffix, body]
-		}
-		const choiceContextPath = config?.choiceContext ? new Path([], [config.choiceContext]) : config?.context ? new Path([], [config.context]) : path
-		const set = (type: string) => {
-			const c = choices.find(c => c.type === type) ?? choice
-			const def = c.node.default()
-			const newValue = c.change
-				? c.change(DataModel.unwrapLists(value))
-				: config.choiceContext === 'feature' && def?.type === 'minecraft:decorated' ? def.config.feature : def
-			path.model.set(path, DataModel.wrapLists(newValue))
-		}
-		const inject = <select value={choice.type} onChange={(e) => set((e.target as HTMLSelectElement).value)}>
-			{choices.map(c => <option value={c.type}>
-				{pathLocale(lang, choiceContextPath.contextPush(c.type))}
-			</option>)}
-		</select>
-		return [prefix, <>{inject}{suffix}</>, body]
-	},
-
-	list({ children, config, node }, path, value, lang, version, states, ctx) {
-		const context = path.getContext().join('.')
-		if (fixedLists.includes(context)) {
-			const prefix = <>
-				{[...Array(config.maxLength!)].map((_, i) =>
-					<ErrorPopup lang={lang} path={path.modelPush(i)} />)}
-				<div class="fixed-list"></div>
-			</>
-			const suffix = <>{[...Array(config.maxLength)].map((_, i) => {
-				const child = children.hook(this, path.modelPush(i), value?.[i]?.node, lang, version, states, ctx)
-				return child[1]
-			})}</>
-			return [prefix, suffix, null]
-		}
-
-		const onAdd = () => {
-			if (!Array.isArray(value)) value = []
-			const node = DataModel.wrapLists(children.default())
-			path.model.set(path, [{ node, id: hexId() }, ...value])
-		}
-		const suffix = <button class="add tooltipped tip-se" aria-label={localize(lang, 'add_top')} onClick={onAdd}>{Octicon.plus_circle}</button>
-		return [null, suffix, <ListBody {...{children, config, node, path, value, lang, version, states, ctx}}/>]
-	},
-
-	map({ children, keys, config }, path, value, lang, version, states, ctx) {
-		const { expand, collapse, isToggled } = useToggles()
-
-		const keyPath = new ModelPath(keysModel, new Path([hashString(path.toString())], path.contextArr))
-		const onAdd = () => {
-			const key = keyPath.get()
-			if (path.model.get(path.push(key)) === undefined) {
-				path.model.set(path.push(key), DataModel.wrapLists(children.default()))
-			}
-			keyPath.set('')
-		}
-		const blockState = config.validation?.validator === 'block_state_map' ? states?.[relativePath(path, config.validation.params.id).get()] : null
-		const keysSchema = blockState?.properties
-			? StringNode(null!, { enum: Object.keys(blockState.properties ?? {}) })
-			: keys
-		if (blockState && path.last() === 'Properties') {
-			if (typeof value !== 'object') value = {}
-			const properties = Object.entries(blockState.properties ?? {})
-				.map(([key, values]) => [key, StringNode(null!, { enum: values })])
-			Object.entries(blockState.properties ?? {}).forEach(([key, values]) => {
-				if (typeof value[key] !== 'string') {
-					path.model.errors.add(path.push(key), 'error.expected_string')
-				} else if (!values.includes(value[key])) {
-					path.model.errors.add(path.push(key), 'error.invalid_enum_option', value[key])
-				}
-			})
-			return ObjectNode(Object.fromEntries(properties)).hook(this, path, value, lang, version, states, ctx)
-		}
-		const suffix = <>
-			{keysSchema.hook(this, keyPath, keyPath.get() ?? '', lang, version, states, ctx)[1]}
-			<button class="add tooltipped tip-se" aria-label={localize(lang, 'add')} onClick={onAdd}>{Octicon.plus_circle}</button>
-		</>
-		const body = <>
-			{typeof value === 'object' && Object.entries(value).map(([key, cValue]) => {
-				const pathWithContext = (config?.context) ? new ModelPath(path.getModel(), new Path(path.getArray(), [config.context])) : path
-				const cPath = pathWithContext.modelPush(key)
-				const canToggle = children.type(cPath) === 'object'
-				const toggle = isToggled(key)
-				if (canToggle && (toggle === false || (toggle === undefined && value.length > 20))) {
-					return <div class="node node-header" data-category={children.category(cPath)}>
-						<ErrorPopup lang={lang} path={cPath} nested />
-						<button class="toggle tooltipped tip-se" aria-label={`${localize(lang, 'expand')}\n${localize(lang, 'expand_all', 'Ctrl')}`} onClick={expand(key)}>{Octicon.chevron_right}</button>
-						<label>{key}</label>
-						<Collapsed key={key} path={cPath} value={cValue} schema={children} />
-					</div>
-				}
-				const cSchema = blockState
-					? StringNode(null!, { enum: blockState.properties?.[key] ?? [] })
-					: children
-				if (blockState?.properties?.[key] && typeof cValue === 'string'
-					&& !blockState.properties?.[key].includes(cValue)) {
-					path.model.errors.add(cPath, 'error.invalid_enum_option', cValue)
-				}
-				const onRemove = () => cPath.set(undefined)
-				return <MemoedTreeNode key={key} schema={cSchema} path={cPath} value={cValue} {...{lang, version, states, ctx}} label={key}>
-					{canToggle && <button class="toggle tooltipped tip-se" aria-label={`${localize(lang, 'collapse')}\n${localize(lang, 'collapse_all', 'Ctrl')}`} onClick={collapse(key)}>{Octicon.chevron_down}</button>}
-					<button class="remove tooltipped tip-se" aria-label={localize(lang, 'remove')} onClick={onRemove}>{Octicon.trashcan}</button>
-				</MemoedTreeNode>
-			})}
-		</>
-		return [null, suffix, body]
-	},
-
-	number(params, path, value, lang, version, states, ctx) {
-		return [null, <NumberSuffix {...{...params, path, value, lang, version, states, ctx}} />, null]
-	},
-
-	object({ node, config, getActiveFields, getChildModelPath }, path, value, lang, version, states, ctx) {
-		const { expand, collapse, isToggled } = useToggles()
-
-		if (path.getArray().length == 0 && isDecorated(config.context, value)) {
-			const { wrapper, fields } = createDecoratorsWrapper(getActiveFields(path), path, value)
-			value = wrapper.data
-			getActiveFields = () => fields
-			getChildModelPath = (path, key) => new ModelPath(wrapper, new Path(path.getArray(), ['feature'])).push(key)
-		}
-
-		let prefix: JSX.Element | null = null
-		let suffix: JSX.Element | null = null
-		let body: JSX.Element | null = null
-		if (node.optional()) {
-			if (value === undefined) {
-				const onExpand = () => path.set(DataModel.wrapLists(node.default()))
-				suffix = <button class="node-collapse closed tooltipped tip-se" aria-label={localize(lang, 'expand')} onClick={onExpand}>{Octicon.plus_circle}</button>
-			} else if (typeof value === 'object' && value !== null){
-				const onCollapse = () => path.set(undefined)
-				suffix = <button class="node-collapse open tooltipped tip-se" aria-label={localize(lang, 'remove')} onClick={onCollapse}>{Octicon.trashcan}</button>
-			}
-		}
-		const context = path.getContext().join('.')
-		if (collapsableFields.includes(context) || collapsedFields.includes(context)) {
-			const toggled = isToggled('')
-			const expanded = collapsedFields.includes(context) ? toggled : !toggled
-			prefix = <>
-				<button class="toggle tooltipped tip-se" aria-label={localize(lang, expanded ? 'collapse' : 'expand')} onClick={toggled ? collapse('') : expand('')}>{expanded ? Octicon.chevron_down : Octicon.chevron_right}</button>
-			</>
-			if (!expanded) {
-				return [prefix, suffix, null]
-			}
-		}
-		if (!(node.optional() && value === undefined)) {
-			if (typeof value === 'object' && value !== null) {
-				const newCtx = (typeof value === 'object' && value !== null && node.default()?.pools)
-					? { ...ctx, loot: value?.type } : ctx
-				body = <>{Object.entries(getActiveFields(path))
-					.filter(([_, child]) => child.enabled(path))
-					.map(([key, child]) => {
-						const cPath = getChildModelPath(path, key)
-						const context = cPath.getContext().join('.')
-						if (hiddenFields.includes(context)) return null
-						const [cPrefix, cSuffix, cBody] = child.hook(this, cPath, value[key], lang, version, states, newCtx)
-						const isFlattened = child.type(cPath) === 'object' && flattenedFields.includes(context)
-						const isInlined = inlineFields.includes(context)
-						if (isFlattened || isInlined) {
-							prefix = <>{prefix}<ErrorPopup lang={lang} path={cPath} /><HelpPopup lang={lang} path={cPath} />{cPrefix}</>
-							suffix = <>{suffix}{cSuffix}</>
-							return isFlattened ? cBody : null
-						}
-						return <MemoedTreeNode key={key} schema={child} path={cPath} value={value[key]} {...{lang, version, states, ctx: newCtx}} />
-					})}</>
-			} else {
-				const onReset = () => path.set(DataModel.wrapLists(node.default()))
-				suffix = <>{suffix}<button class="add tooltipped tip-se" aria-label={localize(lang, 'reset')} onClick={onReset}>{Octicon.history}</button></>
-			}
-		}
-		return [prefix, suffix, body]
-	},
-
-	string(params, path, value, lang, version, states, ctx) {
-		return [null, <StringSuffix {...{...params, path, value, lang, version, states, ctx}} />, null]
-	},
-}
-
-function Collapsed({ path, value }: { path: ModelPath, value: any, schema: INode<any> }) {
-	const { locale } = useLocale()
-	const context = path.getContext().join('.')
-	switch (context) {
-		case 'loot_table.pools.entry':
-			const count = value?.entries?.length ?? 0
-			return <label>{count} {count == 1 ? 'entry' : 'entries'}</label>
-		case 'function.set_contents.entries.entry':
-		case 'loot_pool.entries.entry':
-			const name = value?.name?.replace(/^minecraft:/, '') ?? value?.type?.replace(/^minecraft:/, '')
-			const weight = value?.weight || undefined
-			return <>
-				<label>{name}</label>
-				{weight !== undefined && <label class="tooltipped tip-se" aria-label={locale('weight')}>{weight}</label>}
-			</>
-	}
-	for (const child of Object.values(value ?? {})) {
-		if (typeof child === 'string') {
-			return <label>{child.replace(/^minecraft:/, '')}</label>
-		}
-	}
-	return null
-}
-
-function useToggles() {
-	const [toggleState, setToggleState] = useState(new Map<string, boolean>())
-	const [toggleAll, setToggleAll] = useState<boolean | undefined>(undefined)
-
-	const expand = (key: string) => (evt: MouseEvent) => {
-		if (evt.ctrlKey) {
-			setToggleState(new Map())
-			setToggleAll(true)
-		} else {
-			setToggleState(state => new Map(state.set(key, true)))
-		}
-	}
-	const collapse = (key: string) => (evt: MouseEvent) => {
-		if (evt.ctrlKey) {
-			setToggleState(new Map())
-			setToggleAll(false)
-		} else {
-			setToggleState(state => new Map(state.set(key, false)))
-		}
-	}
-	
-	const isToggled = (key: string) => {
-		if (!(toggleState instanceof Map)) return false
-		return toggleState.get(key) ?? toggleAll
-	}
-
-	return { expand, collapse, isToggled }
-}
-
-function ListBody({ path, value, lang, config, children, version, states, ctx }: NodeProps<ListHookParams>) {
-	const { expand, collapse, isToggled } = useToggles()
-	const [maxShown, setMaxShown] = useState(50)
-	const onAddBottom = () => {
-		if (!Array.isArray(value)) value = []
-		const node = DataModel.wrapLists(children.default())
-		path.model.set(path, [...value, { node, id: hexId() }])
-	}
-	return <>
-		{(value && Array.isArray(value)) && value.map(({ node: cValue, id: cId }, index) => {
-			if (index === maxShown) {
-				return <div class="node node-header">
-					<label>{localize(lang, 'entries_hidden', `${value.length - maxShown}`)}</label>
-					<button onClick={() => setMaxShown(Math.min(maxShown + 50, value.length))}>{localize(lang, 'entries_hidden.more', '50')}</button>
-					<button onClick={() => setMaxShown(value.length)}>{localize(lang, 'entries_hidden.all')}</button>
-				</div>
-			}
-			if (index > maxShown) {
-				return null
-			}
-			const pathWithContext = (config?.context) ? new ModelPath(path.getModel(), new Path(path.getArray(), [config.context])) : path
-			const cPath = pathWithContext.push(index).contextPush('entry')
-			const canToggle = children.type(cPath) === 'object'
-			const toggle = isToggled(cId)
-
-			let label: undefined | string | JSX.Element
-			if (itemPreviewFields.includes(cPath.getContext().join('.'))) {
-				if (isObject(cValue) && typeof cValue.type === 'string' && cValue.type.replace(/^minecraft:/, '') === 'item' && typeof cValue.name === 'string') {
-					let itemStack: ItemStack | undefined
-					try {
-						itemStack = new ItemStack(Identifier.parse(cValue.name), 1)
-					} catch (e) {}
-					if (itemStack !== undefined) {
-						label = <ItemDisplay item={itemStack} />
-					}
-				}
-			}
-
-			if (canToggle && (toggle === false || (toggle === undefined && value.length > 20))) {
-				return <div class="node node-header" data-category={children.category(cPath)}>
-					<ErrorPopup lang={lang} path={cPath} nested />
-					<button class="toggle tooltipped tip-se" aria-label={`${localize(lang, 'expand')}\n${localize(lang, 'expand_all', 'Ctrl')}`} onClick={expand(cId)}>{Octicon.chevron_right}</button>
-					<label>{label ?? pathLocale(lang, cPath, `${index}`)}</label>
-					<Collapsed key={cId} path={cPath} value={cValue} schema={children} />
-				</div>
-			}
-
-			const onRemove = () => cPath.set(undefined)
-			const onMoveUp = () => {
-				const v = [...path.get()];
-				[v[index - 1], v[index]] = [v[index], v[index - 1]]
-				path.model.set(path, v)
-			}
-			const onMoveDown = () => {
-				const v = [...path.get()];
-				[v[index + 1], v[index]] = [v[index], v[index + 1]]
-				path.model.set(path, v)
-			}
-			const actions: MenuAction[] = [
-				{
-					icon: 'duplicate',
-					label: 'duplicate',
-					onSelect: () => {
-						const v = [...path.get()]
-						v.splice(index, 0, { id: hexId(), node: deepClone(cValue) })
-						path.model.set(path, v)
-					},
-				},
-			]
-			return <MemoedTreeNode key={cId} label={label} path={cPath} schema={children} value={cValue} {...{lang, version, states, actions}} ctx={{...ctx, index: (index === 0 ? 1 : 0) + (index === value.length - 1 ? 2 : 0)}}>
-				{canToggle && <button class="toggle tooltipped tip-se" aria-label={`${localize(lang, 'collapse')}\n${localize(lang, 'collapse_all', 'Ctrl')}`} onClick={collapse(cId)}>{Octicon.chevron_down}</button>}
-				<button class="remove tooltipped tip-se" aria-label={localize(lang, 'remove')} onClick={onRemove}>{Octicon.trashcan}</button>
-				{value.length > 1 && <div class="node-move">
-					<button class="move tooltipped tip-se" aria-label={localize(lang, 'move_up')} onClick={onMoveUp} disabled={index === 0}>{Octicon.chevron_up}</button>
-					<button class="move tooltipped tip-se" aria-label={localize(lang, 'move_down')} onClick={onMoveDown} disabled={index === value.length - 1}>{Octicon.chevron_down}</button>
-				</div>}
-			</MemoedTreeNode>
-		})}
-		{(value && value.length > 0 && value.length <= maxShown) && <div class="node node-header">
-			<button class="add tooltipped tip-se" aria-label={localize(lang, 'add_bottom')} onClick={onAddBottom}>{Octicon.plus_circle}</button>
-		</div>}
-	</>
-}
-
-function BooleanSuffix({ path, node, value, lang }: NodeProps<BooleanHookParams>) {
-	const set = (target: boolean) => {
-		path.model.set(path, node.optional() && value === target ? undefined : target)
-	}
-	return <>
-		<button class={value === false ? 'selected' : ''} onClick={() => set(false)}>{localize(lang, 'false')}</button>
-		<button class={value === true ? 'selected' : ''} onClick={() => set(true)}>{localize(lang, 'true')}</button>
-	</>
-}
-
-function NumberSuffix({ path, config, integer, value, lang }: NodeProps<NumberHookParams>) {
-	const onChange = (evt: Event) => {
-		const value = (evt.target as HTMLInputElement).value
-		const parsed = integer ? parseInt(value) : parseFloat(value)
-		path.model.set(path, parsed)
-	}
-	const onColor = (evt: Event) => {
-		const value = (evt.target as HTMLInputElement).value
-		const parsed = parseInt(value.slice(1), 16)
-		path.model.set(path, parsed)
-	}
-	return <>
-		<input type="text" value={value ?? ''} onBlur={onChange} onKeyDown={evt => {if (evt.key === 'Enter') onChange(evt)}} />
-		{config?.color && <input type="color" value={'#' + (value?.toString(16).padStart(6, '0') ?? '000000')} onChange={onColor} />}
-		{config?.color && <button onClick={() => path.set(generateColor())} class="tooltipped tip-se" aria-label={localize(lang, 'generate_new_color')}>{Octicon.sync}</button>}
-		{['dimension.generator.seed', 'dimension.generator.biome_source.seed', 'world_settings.seed', 'structure_placement.salt'].includes(path.getContext().join('.')) && <button onClick={() => newSeed(path.model)} class="tooltipped tip-se" aria-label={localize(lang, 'generate_new_seed')}>{Octicon.sync}</button>}
-	</>
-}
-
-function StringSuffix({ path, getValues, config, node, value, lang, version, states }: NodeProps<StringHookParams>) {
-	const context = path.getContext().join('.')
-	const onChange = (evt: Event) => {
-		evt.stopPropagation()
-		const newValue = (evt.target as HTMLSelectElement).value
-		if (newValue === value) return
-		// Hackfix to support switching between checkerboard and multi_noise biome sources
-		if (context === 'dimension.generator.biome_source.type') {
-			const biomeSourceType = newValue.replace(/^minecraft:/, '')
-			const biomePath = path.pop().push('biomes')
-			const biomes = biomePath.get()
-			if (biomeSourceType === 'multi_noise') {
-				const newBiomes = Array.isArray(biomes)
-					? biomes.flatMap((b: any) => {
-						if (typeof b.node !== 'string') return []
-						return [{ node: { biome: b.node }}]
-					})
-					: [{ node: { biome: 'minecraft:plains' } }]
-				path.model.set(biomePath, newBiomes, true)
-			} else if (biomeSourceType === 'checkerboard') {
-				const newBiomes = typeof biomes === 'string'
-					? biomes
-					: Array.isArray(biomes)
-						? biomes.flatMap((b: any) => {
-							if (typeof b.node !== 'object' || b.node === null || typeof b.node.biome !== 'string') return []
-							return [{ node: b.node.biome }]
-						})
-						: [{ node: 'minecraft:plains' }]
-				path.model.set(biomePath, newBiomes, true)
-			}
-		}
-		path.model.set(path, newValue.length === 0 ? undefined : newValue)
-	}
-	const values = getValues()
-	const id = !isEnum(config) && config?.validator === 'resource' && typeof config.params.pool === 'string' ? config.params.pool : undefined
-
-	if (nbtFields.includes(context)) {
-		return <textarea value={value ?? ''} onBlur={onChange}></textarea>
-	} else if ((isEnum(config) && !config.additional && !datalistEnums.includes(context)) || selectRegistries.includes(context)) {
-		let childPath = new Path([])
-		if (isEnum(config) && typeof config.enum === 'string') {
-			childPath = childPath.contextPush(config.enum)
-		} else if (id) {
-			childPath = childPath.contextPush(id)
-		} else if (isEnum(config)) {
-			childPath = path
-		} else if (Object.hasOwn(forceEnumContexts, context)) {
-			childPath = childPath.contextPush(forceEnumContexts[context])
-		}
-		return <select value={value ?? ''} onChange={onChange}>
-			{node.optional() && <option value="">{localize(lang, 'unset')}</option>}
-			{values.map(v => <option value={v}>
-				{pathLocale(lang, childPath.contextPush(v.replace(/^minecraft:/, '')))}
-			</option>)}
-		</select>
-	} else if (!isEnum(config) && config?.validator === 'block_state_key') {
-		const blockState = states?.[relativePath(path, config.params.id).get()]
-		const values = Object.keys(blockState?.properties ?? {})
-		return <select value={value ?? ''} onChange={onChange}>
-			{values.map(v => <option>{v}</option>)}
-		</select>
-	} else {
-		const { biomeColors, setBiomeColor } = useStore()
-		const fullId = typeof value === 'string' ? value.includes(':') ? value : 'minecraft:' + value : 'unknown'
-		const datalistId = hexId()
-		const gen = id ? findGenerator(id) : undefined
-		return <>
-			<input value={value ?? ''} onBlur={onChange} onKeyDown={evt => {if (evt.key === 'Enter') onChange(evt)}}
-				list={values.length > 0 ? datalistId : ''} />
-			{values.length > 0 && <datalist id={datalistId}>
-				{values.map(v => <option value={v} />)}
-			</datalist>}
-			{['generator_biome.biome'].includes(context) && <input type="color" value={rgbToHex(biomeColors[fullId] ?? VanillaColors[fullId] ?? stringToColor(fullId))} onChange={v => setBiomeColor(fullId, hexToRgb(v.currentTarget.value))}></input>}
-			{(['text_component_object.hoverEvent.show_entity.contents.id', 'enchantment.effects.entry.uuid'].includes(context) || ('attribute_modifier.id' === context && !checkVersion(version, '1.21'))) && <button onClick={() => path.set(generateUUID())} class="tooltipped tip-se" aria-label={localize(lang, 'generate_new_uuid')}>{Octicon.sync}</button>}
-			{gen && values.includes(value) && value.startsWith('minecraft:') &&
-				<a href={`/${gen.url}/?version=${version}&preset=${value.replace(/^minecraft:/, '')}`} class="tooltipped tip-se" aria-label={localize(lang, 'follow_reference')}>{Octicon.link_external}</a>}
-		</>
-	}
-}
-
-type MenuAction = {
-	label: string,
-	description?: string,
-	icon: keyof typeof Octicon,
-	onSelect: () => unknown,
-}
-
-type TreeNodeProps = {
-	schema: INode<any>,
-	path: ModelPath,
-	value: any,
-	lang: string,
-	version: VersionId,
-	states: BlockStateRegistry,
-	ctx: Record<string, any>,
-	compare?: any,
-	label?: string | ComponentChildren,
-	actions?: MenuAction[],
-	children?: ComponentChildren,
-}
-function TreeNode({ label, schema, path, value, lang, version, states, ctx, actions, children }: TreeNodeProps) {
-	const type = schema.type(path)
-	const category = schema.category(path)
-	const context = path.getContext().join('.')
-
-	const [active, setActive] = useFocus()
-	const onContextMenu = (evt: MouseEvent) => {
-		evt.preventDefault()
-		setActive()
-	}
-
-	const newCtx: Record<string, any> = { ...ctx, depth: (ctx.depth ?? 0) + 1 }
-	delete newCtx.index
-	const [prefix, suffix, body] = schema.hook(renderHtml, path, value, lang, version, states, newCtx)
-	return <div class={`node ${type}-node`} data-category={category}>
-		<div class="node-header" onContextMenu={onContextMenu}>
-			<ErrorPopup lang={lang} path={path} />
-			<HelpPopup lang={lang} path={path} />
-			{children}
-			{prefix}
-			<label>
-				{label ?? pathLocale(lang, path, `${path.last()}`)}
-				{active && <div class="node-menu">
-					{actions?.map(a => <div key={a.label} class="menu-item">
-						<Btn icon={a.icon} tooltip={localize(lang, a.label)} tooltipLoc="se" onClick={() => a.onSelect()}/>
-						<span>{a.description ?? localize(lang, a.label)}</span>
-					</div>)}
-					<div class="menu-item">
-						<Btn icon="copy" tooltip={localize(lang, 'copy_context')} tooltipLoc="se" onClick={() => navigator.clipboard.writeText(context)} />
-						<span>{context}</span>
-					</div>
-				</div>}
-			</label>
-			{suffix}
-		</div>
-		{body && <div class="node-body">{body}</div>}
-	</div>
-}
-
-const MemoedTreeNode = memo(TreeNode, (prev, next) => {
-	return prev.schema === next.schema
-		&& prev.lang === next.lang
-		&& prev.path.equals(next.path)
-		&& deepEqual(prev.ctx, next.ctx)
-		&& deepEqual(prev.value, next.value)
-})
-
-function isEnum(value?: ValidationOption | EnumOption): value is EnumOption {
-	return !!(value as any)?.enum
-}
-
-function hashString(str: string) {
-	var hash = 0, i, chr
-	for (i = 0; i < str.length; i++) {
-		chr = str.charCodeAt(i)
-		hash = ((hash << 5) - hash) + chr
-		hash |= 0
-	}
-	return hash
-}
-
-function pathLocale(lang: string, path: Path, ...params: string[]) {
-	const ctx = path.getContext()
-	for (let i = 0; i < ctx.length; i += 1) {
-		const key = ctx.slice(i).join('.')
-		const result = localize(lang, key, ...params)
-		if (key !== result) {
-			return result
-		}
-	}
-	return ctx[ctx.length - 1]
-}
-
-function ErrorPopup({ lang, path, nested }: { lang: string, path: ModelPath, nested?: boolean }) {
-	if (path.model instanceof ModelWrapper) {
-		path = path.model.map(path).withModel(path.model)
-	}
-	const e = nested
-		?	path.model.errors.getAll().filter(e => e.path.startsWith(path))
-		: path.model.errors.get(path, true)
-	if (e.length === 0) return null
-	const message = localize(lang, e[0].error, ...(e[0].params ?? []))
-	return popupIcon('node-error', 'issue_opened', message)
-}
-
-function HelpPopup({ lang, path }: { lang: string, path: Path }) {
-	const key = path.contextPush('help').getContext().join('.')
-	const message = localize(lang, key)
-	if (message === key) return null
-	return popupIcon('node-help', 'info', message)
-}
-
-const popupIcon = (type: string, icon: keyof typeof Octicon, popup: string) => {
-	const [active, setActive] = useFocus()
-
-	return <div class={`node-icon ${type}${active ? ' show' : ''}`} onClick={() => setActive()}>
-		{Octicon[icon]}
-		<span class="icon-popup">{popup}</span>
-	</div>
-}
-
-function isDecorated(context: string | undefined, value: any) {
-	return context === 'feature'
-		&& value?.type?.replace(/^minecraft:/, '') === 'decorated'
-		&& isObject(value?.config)
-}
-
-function createDecoratorsWrapper(originalFields: NodeChildren, path: ModelPath, value: any) {
-	const decorators: any[] = []
-	const feature = iterateNestedDecorators(value, decorators)
-	const fields = {
-		type: originalFields.type,
-		config: ObjectNode({
-			decorators: ListNode(CachedDecorator),
-			feature: CachedFeature,
-		}, { context: 'feature.decorated' }),
-	}
-	const schema = ObjectNode(fields, { context: 'feature' })
-	const featurePath = new Path(['config', 'feature'])
-	const decoratorsPath = new Path(['config', 'decorators'])
-	const model = path.getModel()
-	const wrapper: ModelWrapper = new ModelWrapper(schema, path => {
-		if (path.startsWith(featurePath)) {
-			return new Path([...[...Array(decorators.length - 1)].flatMap(() => ['config', 'feature']), ...path.modelArr])
-		} else if (path.startsWith(decoratorsPath)) {
-			if (path.modelArr.length === 2) {
-				return new Path([])
-			}
-			const index = path.modelArr[2]
-			if (typeof index === 'number') {
-				return new Path([...[...Array(index)].flatMap(() => ['config', 'feature']), 'config', 'decorator', ...path.modelArr.slice(3)])
-			}
-		}
-		return path
-	}, path => {
-		if (path.equals(decoratorsPath)) {
-			const newDecorators: any[] = []
-			iterateNestedDecorators(model.data, newDecorators)
-			return newDecorators
-		}
-		return model.get(wrapper.map(path))
-	}, (path, value, silent) => {
-		if (path.startsWith(featurePath)) {
-			const newDecorators: any[] = []
-			iterateNestedDecorators(model.data, newDecorators)
-			const newPath =new Path([...[...Array(newDecorators.length - 1)].flatMap(() => ['config', 'feature']), ...path.modelArr])
-			return model.set(newPath, value, silent)
-		} else if (path.startsWith(decoratorsPath)) {
-			const index = path.modelArr[2]
-			if (path.modelArr.length === 2) {
-				const feature = wrapper.get(featurePath)
-				return model.set(new Path(), produceNestedDecorators(feature, value), silent)
-			} else if (typeof index === 'number') {
-				if (path.modelArr.length === 3 && value === undefined) {
-					const feature = wrapper.get(featurePath)
-					const newDecorators: any[] = []
-					iterateNestedDecorators(model.data, newDecorators)
-					newDecorators.splice(index, 1)
-					const newValue = produceNestedDecorators(feature, newDecorators)
-					return model.set(new Path(), newValue, silent)
-				} else {
-					const newPath = new Path([...[...Array(index)].flatMap(() => ['config', 'feature']), 'config', 'decorator', ...path.modelArr.slice(3)])
-					return model.set(newPath, value, silent)
-				}
-			}
-		}
-		model.set(path, value, silent)
-	})
-	wrapper.data = {
-		type: model.data.type,
-		config: {
-			decorators,
-			feature,
-		},
-	}
-	wrapper.errors = model.errors
-	return { fields, wrapper }
-}
-
-function iterateNestedDecorators(value: any, decorators: any[]): any {
-	if (value?.type?.replace(/^minecraft:/, '') !== 'decorated') {
-		return value
-	}
-	if (!isObject(value?.config)) {
-		return value
-	}
-	decorators.push({ id: decorators.length, node: value.config.decorator })
-	return iterateNestedDecorators(value.config.feature ?? '', decorators)
-}
-
-function produceNestedDecorators(feature: any, decorators: any[]): any {
-	if (decorators.length === 0) return feature
-	return {
-		type: 'minecraft:decorated',
-		config: {
-			decorator: decorators.shift().node,
-			feature: produceNestedDecorators(feature, decorators),
-		},
-	}
-}
diff --git a/src/app/schema/transformOutput.ts b/src/app/schema/transformOutput.ts
deleted file mode 100644
index b88aca7f..00000000
--- a/src/app/schema/transformOutput.ts
+++ /dev/null
@@ -1,67 +0,0 @@
-import type { DataModel, Hook } from '@mcschema/core'
-import { ModelPath, relativePath } from '@mcschema/core'
-import type { BlockStateRegistry } from '../services/index.js'
-
-export function getOutput(model: DataModel, blockStates: BlockStateRegistry): any {
-	return model.schema.hook(transformOutput, new ModelPath(model), model.data, { blockStates })
-}
-
-export type OutputProps = {
-	blockStates: BlockStateRegistry,
-}
-export const transformOutput: Hook<[any, OutputProps], any> = {
-	base({}, _, value) {
-		return value
-	},
-
-	choice({ switchNode }, path, value, props) {
-		return switchNode.hook(this, path, value, props)
-	},
-
-	list({ children }, path, value, props) {
-		if (!Array.isArray(value)) return value
-		const res = value.map((obj, index) =>
-			children.hook(this, path.push(index), obj.node, props)
-		)
-		for (const a of Object.getOwnPropertySymbols(value)) {
-			res[a as any] = value[a as any]
-		}
-		return res
-	},
-
-	map({ children, config }, path, value, props) {
-		if (value === undefined) return undefined
-		const blockState = config.validation?.validator === 'block_state_map'? props.blockStates?.[relativePath(path, config.validation.params.id).get()] : null
-		const res: any = {}
-		Object.keys(value).forEach(f => {
-			if (blockState) {
-				if (!Object.keys(blockState.properties ?? {}).includes(f)) return
-			}
-			res[f] = children.hook(this, path.push(f), value[f], props)
-		})
-		for (const a of Object.getOwnPropertySymbols(value)) {
-			res[a as any] = value[a]
-		}
-		return res
-	},
-
-	object({ getActiveFields }, path, value, props) {
-		if (value === undefined || value === null || typeof value !== 'object') {
-			return value
-		}
-		const res: any = {}
-		const activeFields = getActiveFields(path)
-		Object.keys(activeFields)
-			.filter(k => activeFields[k].enabled(path))
-			.forEach(f => {
-				const out = activeFields[f].hook(this, path.push(f), value[f], props)
-				if (out !== undefined && out !== null) {
-					res[f] = out
-				}
-			})
-		for (const a of Object.getOwnPropertySymbols(value)) {
-			res[a as any] = value[a]
-		}
-		return res
-	},
-}
diff --git a/src/app/services/DataFetcher.ts b/src/app/services/DataFetcher.ts
index dcd964d8..da7186d1 100644
--- a/src/app/services/DataFetcher.ts
+++ b/src/app/services/DataFetcher.ts
@@ -1,20 +1,13 @@
-import type { CollectionRegistry } from '@mcschema/core'
 import config from '../Config.js'
 import { Store } from '../Store.js'
 import { message } from '../Utils.js'
-import type { BlockStateRegistry, VersionId } from './Schemas.js'
-import { checkVersion } from './Schemas.js'
+import type { VersionId } from './Versions.js'
+import { checkVersion } from './Versions.js'
 
 const CACHE_NAME = 'misode-v2'
 const CACHE_LATEST_VERSION = 'cached_latest_version'
 const CACHE_PATCH = 'misode_cache_patch'
 
-type Version = {
-	id: string,
-	ref?: string,
-	dynamic?: boolean,
-}
-
 declare var __LATEST_VERSION__: string
 export const latestVersion = __LATEST_VERSION__ ?? ''
 const mcmetaUrl = 'https://raw.githubusercontent.com/misode/mcmeta'
@@ -23,6 +16,7 @@ const changesUrl = 'https://raw.githubusercontent.com/misode/technical-changes'
 const fixesUrl = 'https://raw.githubusercontent.com/misode/mcfixes'
 const versionDiffUrl = 'https://mcmeta-diff.misode.workers.dev'
 const whatsNewUrl = 'https://whats-new.misode.workers.dev'
+const vanillaMcdocUrl = 'https://proxy.misode.workers.dev/mcdoc'
 
 type McmetaTypes = 'summary' | 'data' | 'data-json' | 'assets' | 'assets-json' | 'registries' | 'atlas'
 
@@ -46,51 +40,35 @@ async function validateCache(version: RefInfo) {
 	}
 }
 
-export async function fetchData(versionId: string, collectionTarget: CollectionRegistry, blockStateTarget: BlockStateRegistry) {
-	const version = config.versions.find(v => v.id === versionId) as Version | undefined
-	if (!version) {
-		console.error(`[fetchData] Unknown version ${version} in ${JSON.stringify(config.versions)}`)
-		return
+export function getVersionChecksum(versionId: VersionId) {
+	const version = config.versions.find(v => v.id === versionId)!
+	if (version.dynamic) {
+		return (localStorage.getItem(CACHE_LATEST_VERSION) ?? '').toString()
 	}
-
-	await validateCache(version)
-
-	await Promise.all([
-		_fetchRegistries(version, collectionTarget),
-		_fetchBlockStateMap(version, blockStateTarget),
-	])
+	return version.ref
 }
 
-async function _fetchRegistries(version: Version, target: CollectionRegistry) {
-	console.debug(`[fetchRegistries] ${version.id}`)
+export async function fetchVanillaMcdoc() {
 	try {
-		const data = await cachedFetch<any>(`${mcmeta(version, 'summary')}/registries/data.min.json`)
-		for (const id in data) {
-			target.register(id, data[id].map((e: string) => 'minecraft:' + e))
-		}
+		// TODO: enable refresh
+		return cachedFetch(vanillaMcdocUrl, { decode: res => res.arrayBuffer(), refresh: false })
 	} catch (e) {
-		console.warn('Error occurred while fetching registries:', message(e))
+		throw new Error(`Error occured while fetching vanilla-mcdoc: ${message(e)}`)
 	}
 }
 
-async function _fetchBlockStateMap(version: Version, target: BlockStateRegistry) {
-	console.debug(`[fetchBlockStateMap] ${version.id}`)
+export async function fetchDependencyMcdoc(dependency: string) {
 	try {
-		const data = await cachedFetch<any>(`${mcmeta(version, 'summary')}/blocks/data.min.json`)
-		for (const id in data) {
-			target['minecraft:' + id] = {
-				properties: data[id][0],
-				default: data[id][1],
-			}
-		}
+		return cachedFetch(`/mcdoc/${dependency}.mcdoc`, { decode: res => res.text(), refresh: true })
 	} catch (e) {
-		console.warn('Error occurred while fetching block state map:', message(e))
+		throw new Error(`Error occured while fetching ${dependency} mcdoc: ${message(e)}`)
 	}
 }
 
 export async function fetchRegistries(versionId: VersionId) {
 	console.debug(`[fetchRegistries] ${versionId}`)
 	const version = config.versions.find(v => v.id === versionId)!
+	await validateCache(version)
 	try {
 		const data = await cachedFetch<any>(`${mcmeta(version, 'summary')}/registries/data.min.json`)
 		const result = new Map<string, string[]>()
@@ -99,21 +77,21 @@ export async function fetchRegistries(versionId: VersionId) {
 		}
 		return result
 	} catch (e) {
-		throw new Error(`Error occurred while fetching registries (2): ${message(e)}`)
+		throw new Error(`Error occurred while fetching registries: ${message(e)}`)
 	}
 }
 
+export type BlockStateData = [Record<string, string[]>, Record<string, string>]
+
 export async function fetchBlockStates(versionId: VersionId) {
 	console.debug(`[fetchBlockStates] ${versionId}`)
 	const version = config.versions.find(v => v.id === versionId)!
-	const result = new Map<string, {properties: Record<string, string[]>, default: Record<string, string>}>()
+	const result = new Map<string, BlockStateData>()
+	await validateCache(version)
 	try {
 		const data = await cachedFetch<any>(`${mcmeta(version, 'summary')}/blocks/data.min.json`)
 		for (const id in data) {
-			result.set('minecraft:' + id, {
-				properties: data[id][0],
-				default: data[id][1],
-			})
+			result.set(id, data[id])
 		}
 	} catch (e) {
 		console.warn('Error occurred while fetching block states:', message(e))
@@ -128,6 +106,7 @@ export async function fetchItemComponents(versionId: VersionId) {
 	if (!checkVersion(versionId, '1.20.5')) {
 		return result
 	}
+	await validateCache(version)
 	try {
 		const data = await cachedFetch<Record<string, Record<string, unknown>>>(`${mcmeta(version, 'summary')}/item_components/data.min.json`)
 		for (const [id, components] of Object.entries(data)) {
@@ -152,16 +131,17 @@ export async function fetchItemComponents(versionId: VersionId) {
 export async function fetchPreset(versionId: VersionId, registry: string, id: string) {
 	console.debug(`[fetchPreset] ${versionId} ${registry} ${id}`)
 	const version = config.versions.find(v => v.id === versionId)!
+	await validateCache(version)
 	try {
 		let url
 		if (id.startsWith('immersive_weathering:')) {
 			url = `https://raw.githubusercontent.com/AstralOrdana/Immersive-Weathering/main/src/main/resources/data/immersive_weathering/block_growths/${id.slice(21)}.json`
 		} else {
-			const type = ['atlases', 'blockstates', 'items', 'models', 'font'].includes(registry) ? 'assets' : 'data'
+			const type = ['atlases', 'blockstates', 'items', 'font', 'lang', 'models', 'post_effect'].includes(registry) ? 'assets' : 'data'
 			url = `${mcmeta(version, type)}/${type}/minecraft/${registry}/${id}.json`
 		}
 		const res = await fetch(url)
-		return await res.json()
+		return await res.text()
 	} catch (e) {
 		throw new Error(`Error occurred while fetching ${registry} preset ${id}: ${message(e)}`)
 	}
diff --git a/src/app/services/FileSystem.ts b/src/app/services/FileSystem.ts
new file mode 100644
index 00000000..585e80a8
--- /dev/null
+++ b/src/app/services/FileSystem.ts
@@ -0,0 +1,279 @@
+import * as core from '@spyglassmc/core'
+import { message } from '../Utils.js'
+
+// Copied from spyglass because it isn't exported
+type Listener = (...args: any[]) => any
+class BrowserEventEmitter implements core.ExternalEventEmitter {
+	readonly #listeners = new Map<string, { all: Set<Listener>, once: Set<Listener> }>()
+
+	emit(eventName: string, ...args: any[]): boolean {
+		const listeners = this.#listeners.get(eventName)
+		if (!listeners?.all?.size) {
+			return false
+		}
+		for (const listener of listeners.all) {
+			listener(...args)
+			if (listeners.once.has(listener)) {
+				listeners.all.delete(listener)
+				listeners.once.delete(listener)
+			}
+		}
+		return false
+	}
+
+	on(eventName: string, listener: Listener): this {
+		if (!this.#listeners.has(eventName)) {
+			this.#listeners.set(eventName, { all: new Set(), once: new Set() })
+		}
+		const listeners = this.#listeners.get(eventName)!
+		listeners.all.add(listener)
+		return this
+	}
+
+	once(eventName: string, listener: Listener): this {
+		if (!this.#listeners.has(eventName)) {
+			this.#listeners.set(eventName, { all: new Set(), once: new Set() })
+		}
+		const listeners = this.#listeners.get(eventName)!
+		listeners.all.add(listener)
+		listeners.once.add(listener)
+		return this
+	}
+}
+
+export class IndexedDbFileSystem implements core.ExternalFileSystem {
+	public static readonly dbName = 'misode-spyglass-fs'
+	public static readonly dbVersion = 1
+	public static readonly storeName = 'files'
+
+	private readonly db: Promise<IDBDatabase>
+	private watcher: IndexedDbWatcher | undefined
+
+	constructor() {
+		this.db = new Promise((res, rej) => {
+			const request = indexedDB.open(IndexedDbFileSystem.dbName, IndexedDbFileSystem.dbVersion)
+			request.onerror = (e) => {
+				console.warn('Database error', message((e.target as any)?.error))
+				rej()
+			}
+			request.onsuccess = () => {
+				res(request.result)
+			}
+			request.onupgradeneeded = (event) => {
+				const db = (event.target as any).result as IDBDatabase
+				db.createObjectStore(IndexedDbFileSystem.storeName, { keyPath: 'uri' })
+			}
+		})
+	}
+
+	async chmod(_location: core.FsLocation, _mode: number): Promise<void> {
+		return
+	}
+
+	async mkdir(
+		location: core.FsLocation,
+		_options?: { mode?: number | undefined, recursive?: boolean | undefined } | undefined,
+	): Promise<void> {
+		location = core.fileUtil.ensureEndingSlash(location.toString())
+		const db = await this.db
+		return new Promise((res, rej) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readwrite')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const getRequest = store.get(location)
+			getRequest.onsuccess = () => {
+				const entry = getRequest.result
+				if (entry !== undefined) {
+					rej(new Error(`EEXIST: ${location}`))
+				} else {
+					const putRequest = store.put({ uri: location, type: 'directory' })
+					putRequest.onsuccess = () => {
+						res()
+					}
+					putRequest.onerror = () => {
+						rej()
+					}
+				}
+			}
+			getRequest.onerror	= () => {
+				rej()
+			}
+		})
+	}
+	async readdir(location: core.FsLocation): Promise<{ name: string, isDirectory(): boolean, isFile(): boolean, isSymbolicLink(): boolean }[]> {
+		location = core.fileUtil.ensureEndingSlash(location.toString())
+		const db = await this.db
+		return new Promise((res, rej) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readonly')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const request = store.openCursor(IDBKeyRange.bound(location, location + '\uffff'))
+			const result: { name: string, isDirectory(): boolean, isFile(): boolean, isSymbolicLink(): boolean }[] = []
+			request.onsuccess = () => {
+				if (request.result) {
+					const entry = request.result.value
+					result.push({
+						name: request.result.key.toString(),
+						isDirectory: () => entry.type === 'directory',
+						isFile: () => entry.type === 'file',
+						isSymbolicLink: () => false,
+					})
+					request.result.continue()
+				} else {
+					res(result)
+				}
+			}
+			request.onerror = () => {
+				rej()
+			}
+		})
+	}
+	async readFile(location: core.FsLocation): Promise<Uint8Array> {
+		location = location.toString()
+		const db = await this.db
+		return new Promise((res, rej) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readonly')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const request = store.get(location)
+			request.onsuccess = () => {
+				const entry = request.result
+				if (!entry) {
+					rej(new Error(`ENOENT: ${location}`))
+				} else if (entry.type === 'directory') {
+					rej(new Error(`EISDIR: ${location}`))
+				} else {
+					res(entry.content)
+				}
+			}
+			request.onerror = () => {
+				rej()
+			}
+		})
+	}
+	async showFile(_location: core.FsLocation): Promise<void> {
+		throw new Error('showFile not supported on browser')
+	}
+	async stat(location: core.FsLocation): Promise<{ isDirectory(): boolean, isFile(): boolean }> {
+		location = location.toString()
+		const db = await this.db
+		return new Promise((res, rej) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readonly')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const request = store.get(location)
+			request.onsuccess = () => {
+				const entry = request.result
+				if (!entry) {
+					rej(new Error(`ENOENT: ${location}`))
+				} else {
+					res({
+						isDirectory: () => entry.type === 'directory',
+						isFile: () => entry.type === 'file',
+					})
+				}
+			}
+			request.onerror = () => {
+				rej()
+			}
+		})
+	}
+	async unlink(location: core.FsLocation): Promise<void> {
+		location = location.toString()
+		const db = await this.db
+		return new Promise((res, rej) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readwrite')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const getRequest = store.get(location)
+			getRequest.onsuccess = () => {
+				const entry = getRequest.result
+				if (!entry) {
+					rej(new Error(`ENOENT: ${location}`))
+				} else {
+					const deleteRequest = store.delete(location)
+					deleteRequest.onsuccess = () => {
+						this.watcher?.tryEmit('unlink', location)
+						res()
+					}
+					deleteRequest.onerror = () => {
+						rej()
+					}
+				}
+			}
+			getRequest.onerror = () => {
+				rej()
+			}
+		})
+	}
+	watch(locations: core.FsLocation[], _options: { usePolling?: boolean | undefined }): core.FsWatcher {
+		this.watcher = new IndexedDbWatcher(this.db, locations)
+		return this.watcher
+	}
+	async writeFile(
+		location: core.FsLocation,
+		data: string | Uint8Array,
+		_options?: { mode: number } | undefined,
+	): Promise<void> {
+		location = location.toString()
+		if (typeof data === 'string') {
+			data = new TextEncoder().encode(data)
+		}
+		const db = await this.db
+		return new Promise((res, rej) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readwrite')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const getRequest = store.get(location)
+			getRequest.onsuccess = () => {
+				const entry = getRequest.result
+				const putRequest = store.put({ uri: location, type: 'file', content: data })
+				putRequest.onsuccess = () => {
+					if (entry) {
+						this.watcher?.tryEmit('change', location)
+					} else {
+						this.watcher?.tryEmit('add', location)
+					}
+					res()
+				}
+				putRequest.onerror = () => {
+					rej()
+				}
+			}
+			getRequest.onerror = () => {
+				rej()
+			}
+		})
+	}
+}
+
+class IndexedDbWatcher extends BrowserEventEmitter implements core.FsWatcher {
+	constructor(
+		dbPromise: Promise<IDBDatabase>,
+		private readonly locations: core.FsLocation[],
+	) {
+		super()
+		dbPromise.then((db) => {
+			const transaction = db.transaction(IndexedDbFileSystem.storeName, 'readonly')
+			const store = transaction.objectStore(IndexedDbFileSystem.storeName)
+			const request = store.openKeyCursor()
+			request.onsuccess = () => {
+				if (request.result) {
+					const uri = request.result.key.toString()
+					this.tryEmit('add', uri)
+					request.result.continue()
+				} else {
+					this.emit('ready')
+				}
+			}
+			request.onerror = () => {
+				this.emit('error', new Error('Watcher error'))
+			}
+		})
+	}
+
+	tryEmit(eventName: string, uri: string) {
+		for (const location of this.locations) {
+			if (uri.startsWith(location)) {
+				this.emit(eventName, uri)
+				break
+			}
+		}
+	}
+
+	async close(): Promise<void> {}
+}
diff --git a/src/app/services/ResolvedItem.ts b/src/app/services/ResolvedItem.ts
index a11000d7..fade600a 100644
--- a/src/app/services/ResolvedItem.ts
+++ b/src/app/services/ResolvedItem.ts
@@ -1,5 +1,6 @@
 import type { NbtTag } from 'deepslate'
 import { Identifier, ItemStack } from 'deepslate'
+import { safeJsonParse } from '../Utils.js'
 
 export class ResolvedItem extends ItemStack {
 
@@ -108,11 +109,7 @@ export class ResolvedItem extends ItemStack {
 	public getLore() {
 		return this.get('lore', tag => {
 			return tag.isList() ? tag.map(e => {
-				try {
-					return JSON.parse(e.getAsString())
-				} catch (e) {
-					return { text: '(invalid lore line)' }
-				}
+				return safeJsonParse(e.getAsString()) ?? { text: '(invalid lore line)' }
 			}) : []
 		}) ?? []
 	}
@@ -153,11 +150,7 @@ export class ResolvedItem extends ItemStack {
 	public getHoverName() {
 		const customName = this.get('custom_name', tag => tag.isString() ? tag.getAsString() : undefined)
 		if (customName) {
-			try {
-				return JSON.parse(customName)
-			} catch (e) {
-				return '(invalid custom name)'
-			}
+			return safeJsonParse(customName) ?? '(invalid custom name)'
 		}
 
 		const bookTitle = this.get('written_book_content', tag => tag.isCompound() ? (tag.hasCompound('title') ? tag.getCompound('title').getString('raw') : tag.getString('title')) : undefined)
@@ -167,11 +160,7 @@ export class ResolvedItem extends ItemStack {
 
 		const itemName = this.get('item_name', tag => tag.isString() ? tag.getAsString() : undefined)
 		if (itemName) {
-			try {
-				return JSON.parse(itemName)
-			} catch (e) {
-				return { text: '(invalid item name)' }
-			}
+			return safeJsonParse(itemName) ?? { text: '(invalid item name)' }
 		}
 
 		const guess = this.id.path
diff --git a/src/app/services/Resources.ts b/src/app/services/Resources.ts
index adf8d89b..8e200814 100644
--- a/src/app/services/Resources.ts
+++ b/src/app/services/Resources.ts
@@ -3,7 +3,7 @@ import { BlockDefinition, BlockModel, Identifier, ItemRenderer, TextureAtlas, up
 import config from '../Config.js'
 import { message } from '../Utils.js'
 import { fetchLanguage, fetchResources } from './DataFetcher.js'
-import type { VersionId } from './Schemas.js'
+import type { VersionId } from './Versions.js'
 
 const Resources: Record<string, ResourceManager | Promise<ResourceManager>> = {}
 
@@ -44,7 +44,6 @@ export async function renderItem(version: VersionId, item: ItemStack) {
 			throw new Error('Cannot get WebGL2 context')
 		}
 		const renderer = new ItemRenderer(gl, item, resources)
-		console.log('Rendering', item.toString())
 		renderer.drawItem()
 		return canvas.toDataURL()
 	})()
diff --git a/src/app/services/Resources1204.ts b/src/app/services/Resources1204.ts
index cc7493c8..a8aa7ceb 100644
--- a/src/app/services/Resources1204.ts
+++ b/src/app/services/Resources1204.ts
@@ -3,7 +3,7 @@ import { BlockDefinition, BlockModel, Identifier, ItemRenderer, TextureAtlas, up
 import config from '../Config.js'
 import { message } from '../Utils.js'
 import { fetchLanguage, fetchResources } from './DataFetcher.js'
-import type { VersionId } from './Schemas.js'
+import type { VersionId } from './Versions.js'
 
 const Resources: Record<string, ResourceManager | Promise<ResourceManager>> = {}
 
@@ -44,7 +44,6 @@ export async function renderItem(version: VersionId, item: ItemStack) {
 			throw new Error('Cannot get WebGL2 context')
 		}
 		const renderer = new ItemRenderer(gl, item, resources)
-		console.log('Rendering', item.toString())
 		renderer.drawItem()
 		return canvas.toDataURL()
 	})()
diff --git a/src/app/services/Schemas.ts b/src/app/services/Schemas.ts
deleted file mode 100644
index bd38e184..00000000
--- a/src/app/services/Schemas.ts
+++ /dev/null
@@ -1,147 +0,0 @@
-import type { CollectionRegistry, INode, SchemaRegistry } from '@mcschema/core'
-import { ChoiceNode, DataModel, Reference, StringNode } from '@mcschema/core'
-import config from '../Config.js'
-import { initPartners } from '../partners/index.js'
-import { message } from '../Utils.js'
-import { fetchData } from './DataFetcher.js'
-
-export const VersionIds = ['1.15', '1.16', '1.17', '1.18', '1.18.2', '1.19', '1.19.3', '1.19.4', '1.20', '1.20.2', '1.20.3', '1.20.5', '1.21', '1.21.2', '1.21.4'] as const
-export type VersionId = typeof VersionIds[number]
-
-export const DEFAULT_VERSION: VersionId = '1.21.2'
-
-export type BlockStateRegistry = {
-	[block: string]: {
-		properties?: {
-			[key: string]: string[],
-		},
-		default?: {
-			[key: string]: string,
-		},
-	},
-}
-
-type VersionData = {
-	collections: CollectionRegistry,
-	schemas: SchemaRegistry,
-	blockStates: BlockStateRegistry,
-}
-const Versions: Record<string, VersionData | Promise<VersionData>> = {}
-
-type ModelData = {
-	model: DataModel,
-	version: VersionId,
-}
-const Models: Record<string, ModelData> = {}
-
-const versionGetter: {
-	[versionId in VersionId]: () => Promise<{
-		getCollections: () => CollectionRegistry,
-		getSchemas: (collections: CollectionRegistry) => SchemaRegistry,
-	}>
-} = {
-	'1.15': () => import('@mcschema/java-1.15'),
-	'1.16': () => import('@mcschema/java-1.16'),
-	'1.17': () => import('@mcschema/java-1.17'),
-	'1.18': () => import('@mcschema/java-1.18'),
-	'1.18.2': () => import('@mcschema/java-1.18.2'),
-	'1.19': () => import('@mcschema/java-1.19'),
-	'1.19.3': () => import('@mcschema/java-1.19.3'),
-	'1.19.4': () => import('@mcschema/java-1.19.4'),
-	'1.20': () => import('@mcschema/java-1.20'),
-	'1.20.2': () => import('@mcschema/java-1.20.2'),
-	'1.20.3': () => import('@mcschema/java-1.20.3'),
-	'1.20.5': () => import('@mcschema/java-1.20.5'),
-	'1.21': () => import('@mcschema/java-1.21'),
-	'1.21.2': () => import('@mcschema/java-1.21.2'),
-	'1.21.4': () => import('@mcschema/java-1.21.4'),
-}
-
-export let CachedDecorator: INode<any>
-export let CachedFeature: INode<any>
-export let CachedCollections: CollectionRegistry
-export let CachedSchemas: SchemaRegistry
-
-async function getVersion(id: VersionId): Promise<VersionData> {
-	if (!Versions[id]) {
-		Versions[id] = (async () => {
-			try {
-				const mcschema = await versionGetter[id]()
-				const collections = mcschema.getCollections()
-				const blockStates: BlockStateRegistry = {}
-				await fetchData(id, collections, blockStates)
-				const schemas = mcschema.getSchemas(collections)
-				initPartners(schemas, collections, id)
-				Versions[id] = { collections, schemas, blockStates }
-				return Versions[id]
-			} catch (e) {
-				throw new Error(`Cannot get version "${id}": ${message(e)}`)
-			}
-		})()
-		return Versions[id]
-	}
-	return Versions[id]
-}
-
-export async function getModel(version: VersionId, id: string): Promise<DataModel> {
-	if (!Models[id] || Models[id].version !== version) {
-		const versionData = await getVersion(version)
-		
-		CachedDecorator = Reference(versionData.schemas, 'configured_decorator')
-		CachedFeature = ChoiceNode([
-			{
-				type: 'string',
-				node: StringNode(versionData.collections, { validator: 'resource', params: { pool: '$worldgen/configured_feature' } }),
-			},
-			{
-				type: 'object',
-				node: Reference(versionData.schemas, 'configured_feature'),
-			},
-		], { choiceContext: 'feature' })
-
-		const schemaName = config.generators.find(g => g.id === id)?.schema
-		if (!schemaName) {
-			throw new Error(`Cannot find model ${id}`)
-		}
-		try {
-			const schema = versionData.schemas.get(schemaName)
-			const model = new DataModel(schema, { wrapLists: true })
-			if (Models[id]) {
-				model.reset(Models[id].model.data, false)
-			} else {
-				model.validate(true)
-				model.history = [JSON.stringify(model.data)]
-			}
-			Models[id] = { model, version }
-		} catch (e) {
-			const err = new Error(`Cannot get generator "${id}" for version "${version}": ${message(e)}`)
-			if (e instanceof Error) err.stack = e.stack
-			throw err
-		}
-	}
-	return Models[id].model
-}
-
-export async function getCollections(version: VersionId): Promise<CollectionRegistry> {
-	const versionData = await getVersion(version)
-	CachedCollections = versionData.collections
-	return versionData.collections
-}
-
-export async function getBlockStates(version: VersionId): Promise<BlockStateRegistry> {
-	const versionData = await getVersion(version)
-	return versionData.blockStates
-}
-
-export async function getSchemas(version: VersionId): Promise<SchemaRegistry> {
-	const versionData = await getVersion(version)
-	CachedSchemas = versionData.schemas
-	return versionData.schemas
-}
-
-export function checkVersion(versionId: string, minVersionId: string | undefined, maxVersionId?: string) {
-	const version = config.versions.findIndex(v => v.id === versionId)
-	const minVersion = minVersionId ? config.versions.findIndex(v => v.id === minVersionId) : 0
-	const maxVersion = maxVersionId ? config.versions.findIndex(v => v.id === maxVersionId) : config.versions.length - 1
-	return minVersion <= version && version <= maxVersion
-}
diff --git a/src/app/services/Sharing.ts b/src/app/services/Sharing.ts
index 028cc931..5cdae21b 100644
--- a/src/app/services/Sharing.ts
+++ b/src/app/services/Sharing.ts
@@ -1,14 +1,13 @@
 import lz from 'lz-string'
-import type { VersionId } from './Schemas.js'
+import type { VersionId } from './Versions.js'
 
 const API_PREFIX = 'https://snippets.misode.workers.dev'
 
 const ShareCache = new Map<string, string>()
 
-export async function shareSnippet(type: string, version: VersionId, jsonData: any, show_preview: boolean) {
+export async function shareSnippet(type: string, version: VersionId, text: string, show_preview: boolean) {
 	try {
-		const raw = JSON.stringify(jsonData)
-		const data = lz.compressToBase64(raw)
+		const data = lz.compressToBase64(text)
 		const body = JSON.stringify({ data, type, version, show_preview })
 		let id = ShareCache.get(body)
 		if (!id) {
@@ -16,7 +15,7 @@ export async function shareSnippet(type: string, version: VersionId, jsonData: a
 			ShareCache.set(body, snippet.id)
 			id = snippet.id as string
 		}
-		return { id, length: raw.length, compressed: data.length, rate: raw.length / data.length }
+		return { id, length: text.length, compressed: data.length, rate: text.length / data.length }
 	} catch (e) {
 		if (e instanceof Error) {
 			e.message = `Error creating share link: ${e.message}`
@@ -30,7 +29,7 @@ export async function getSnippet(id: string) {
 		const snippet = await fetchApi(`/${id}`)
 		return {
 			...snippet,
-			data: JSON.parse(lz.decompressFromBase64(snippet.data) ?? '{}'),
+			text: lz.decompressFromBase64(snippet.data) ?? '{}',
 		}
 	} catch (e) {
 		if (e instanceof Error) {
diff --git a/src/app/services/Source.ts b/src/app/services/Source.ts
index 6942a7da..88b3a49d 100644
--- a/src/app/services/Source.ts
+++ b/src/app/services/Source.ts
@@ -1,7 +1,7 @@
 import { NbtTag } from 'deepslate'
 import yaml from 'js-yaml'
 import { Store } from '../Store.js'
-import { jsonToNbt } from '../Utils.js'
+import { jsonToNbt, safeJsonParse } from '../Utils.js'
 
 const INDENTS: Record<string, number | string | undefined> = {
 	'2_spaces': 2,
@@ -10,28 +10,18 @@ const INDENTS: Record<string, number | string | undefined> = {
 	minified: undefined,
 }
 
-// eslint-disable-next-line @typescript-eslint/consistent-type-imports
-let commentJson: typeof import('comment-json') | null = null
-
 const FORMATS: Record<string, {
-	parse: (v: string) => Promise<unknown>,
-	stringify: (v: unknown, indentation: string | number | undefined) => string,
+	parse: (source: string) => string,
+	stringify: (source: string, indent: string | number | undefined) => string,
 }> = {
 	json: {
-		parse: async (v) => {
-			try {
-				return JSON.parse(v)
-			} catch (e) {
-				commentJson = await import('comment-json')
-				return commentJson.parse(v)
-			}
-		},
-		stringify: (v, i) => (commentJson ?? JSON).stringify(v, null, i) + '\n',
+		parse: (s) => s,
+		stringify: (s) => s,
 	},
 	snbt: {
-		parse: async (v) => NbtTag.fromString(v).toSimplifiedJson(),
-		stringify: (v, i) => {
-			const tag = jsonToNbt(v)
+		parse: (s) => JSON.stringify(NbtTag.fromString(s).toSimplifiedJson(), null, 2),
+		stringify: (s, i) => {
+			const tag = jsonToNbt(safeJsonParse(s) ?? {})
 			if (i === undefined) {
 				return tag.toString()
 			}
@@ -39,20 +29,20 @@ const FORMATS: Record<string, {
 		},
 	},
 	yaml: {
-		parse: async (v) => yaml.load(v),
-		stringify: (v, i) => yaml.dump(v, {
+		parse: (s) => JSON.stringify(yaml.load(s), null, 2),
+		stringify: (s, i) => yaml.dump(safeJsonParse(s) ?? {}, {
 			flowLevel: i === undefined ? 0 : -1,
 			indent: typeof i === 'string' ? 4 : i,
 		}),
 	},
 }
 
-export function stringifySource(data: unknown, format?: string, indent?: string) {
-	return FORMATS[format ?? Store.getFormat()].stringify(data, INDENTS[indent ?? Store.getIndent()])
+export function stringifySource(source: string, format?: string, indent?: string) {
+	return FORMATS[format ?? Store.getFormat()].stringify(source, INDENTS[indent ?? Store.getIndent()])
 }
 
-export async function parseSource(data: string, format: string) {
-	return await FORMATS[format].parse(data)
+export async function parseSource(source: string, format: string) {
+	return FORMATS[format].parse(source)
 }
 
 export function getSourceIndent(indent: string) {
diff --git a/src/app/services/Spyglass.ts b/src/app/services/Spyglass.ts
new file mode 100644
index 00000000..917c3185
--- /dev/null
+++ b/src/app/services/Spyglass.ts
@@ -0,0 +1,478 @@
+import * as core from '@spyglassmc/core'
+import { BrowserExternals } from '@spyglassmc/core/lib/browser.js'
+import * as je from '@spyglassmc/java-edition'
+import { ReleaseVersion } from '@spyglassmc/java-edition/lib/dependency/index.js'
+import * as json from '@spyglassmc/json'
+import { localize } from '@spyglassmc/locales'
+import * as mcdoc from '@spyglassmc/mcdoc'
+import * as nbt from '@spyglassmc/nbt'
+import * as zip from '@zip.js/zip.js'
+import sparkmd5 from 'spark-md5'
+import { TextDocument } from 'vscode-languageserver-textdocument'
+import type { ConfigGenerator } from '../Config.js'
+import siteConfig from '../Config.js'
+import { computeIfAbsent, genPath } from '../Utils.js'
+import type { VersionMeta } from './DataFetcher.js'
+import { fetchBlockStates, fetchRegistries, fetchVanillaMcdoc, fetchVersions, getVersionChecksum } from './DataFetcher.js'
+import { IndexedDbFileSystem } from './FileSystem.js'
+import type { VersionId } from './Versions.js'
+
+export const CACHE_URI = 'file:///cache/'
+export const ROOT_URI = 'file:///root/'
+export const DEPENDENCY_URI = `${ROOT_URI}dependency/`
+export const UNSAVED_URI = `${ROOT_URI}unsaved/`
+export const PROJECTS_URI = `${ROOT_URI}projects/`
+export const DRAFTS_URI = `${ROOT_URI}drafts/`
+
+const INITIAL_DIRS = [CACHE_URI, ROOT_URI, DEPENDENCY_URI, UNSAVED_URI, PROJECTS_URI, DRAFTS_URI]
+
+const builtinMcdoc = `
+use ::java::server::util::text::Text
+use ::java::data::worldgen::dimension::Dimension
+
+dispatch minecraft:resource[text_component] to Text
+
+dispatch minecraft:resource[world] to struct WorldSettings {
+	seed: #[random] long,
+	/// Defaults to \`true\`.
+	generate_features?: boolean,
+	/// Defaults to \`false\`.
+	bonus_chest?: boolean,
+	legacy_custom_options?: string,
+	dimensions: struct {
+		[#[id="dimension"] string]: Dimension,
+	},
+}
+`
+
+interface ClientDocument {
+	doc: TextDocument
+	undoStack: string[]
+	redoStack: string[]
+}
+
+export class SpyglassClient {
+	public static readonly FS = new IndexedDbFileSystem()
+	public readonly fs = SpyglassClient.FS
+	public readonly externals: core.Externals = {
+		...BrowserExternals,
+		archive: {
+			...BrowserExternals.archive,
+			decompressBall,
+		},
+		crypto: {
+			// Swap the web crypto sha1 for an md5 implementation, which is about twice as fast
+			getSha1: async (data: string | Uint8Array) => {
+				if (typeof data === 'string') {
+					data = new TextEncoder().encode(data)
+				}
+				return sparkmd5.ArrayBuffer.hash(data)
+			},
+		},
+		fs: SpyglassClient.FS,
+	}
+
+	public readonly documents = new Map<string, ClientDocument>()
+
+	public async createService(version: VersionId) {
+		return SpyglassService.create(version, this)
+	}
+}
+
+export class SpyglassService {
+	private static activeServiceId = 1
+	private readonly fileWatchers = new Map<string, ((docAndNode: core.DocAndNode) => void)[]>()
+	private readonly treeWatchers: { prefix: string, handler: (uris: string[]) => void }[] = []
+
+	private constructor (
+		public readonly version: VersionId,
+		private readonly service: core.Service,
+		private readonly client: SpyglassClient,
+	) {
+		service.project.on('documentUpdated', (e) => {
+			const uriWatchers = this.fileWatchers.get(e.doc.uri) ?? []
+			for (const handler of uriWatchers) {
+				handler(e)
+			}
+		})
+		let treeWatcherTask = Promise.resolve()
+		let hasPendingTask = false
+		const treeWatcher = () => {
+			hasPendingTask = true
+			// Wait for previous task to finish, then re-run once after 5 ms
+			treeWatcherTask = treeWatcherTask.finally(async () => {
+				if (!hasPendingTask) {
+					return
+				}
+				hasPendingTask = false
+				await new Promise((res) => setTimeout(res, 5))
+				await Promise.all(this.treeWatchers.map(async ({ prefix, handler }) => {
+					const entries = await client.fs.readdir(prefix)
+					handler(entries.flatMap(e => {
+						return e.isFile() ? [e.name.slice(prefix.length)] : []
+					}))
+				}))
+			})
+		}
+		service.project.on('fileCreated', treeWatcher)
+		service.project.on('fileDeleted', treeWatcher)
+	}
+
+	public getCheckerContext(doc?: TextDocument, errors?: core.LanguageError[]) {
+		if (!doc) {
+			doc = TextDocument.create('file:///unknown.json', 'json', 1, '')
+		}
+		const err = new core.ErrorReporter()
+		if (errors) {
+			err.errors = errors
+		}
+		return core.CheckerContext.create(this.service.project, { doc, err })
+	}
+
+	public dissectUri(uri: string) {
+		return je.binder.dissectUri(uri, this.getCheckerContext(TextDocument.create(uri, 'json', 1, '')))
+	}
+
+	public async openFile(uri: string) {
+		const lang = core.fileUtil.extname(uri)?.slice(1) ?? 'txt'
+		const content = await this.readFile(uri)
+		if (!content) {
+			return undefined
+		}
+		await this.service.project.onDidOpen(uri, lang, 1, content)
+		const docAndNode = await this.service.project.ensureClientManagedChecked(uri)
+		if (!docAndNode) {
+			return undefined
+		}
+		const document = this.client.documents.get(uri)
+		if (document === undefined) {
+			this.client.documents.set(uri, { doc: docAndNode.doc, undoStack: [], redoStack: [] })
+		}
+		return docAndNode
+	}
+
+	public async readFile(uri: string): Promise<string | undefined> {
+		try {
+			const buffer = await this.service.project.externals.fs.readFile(uri)
+			return new TextDecoder().decode(buffer)
+		} catch (e) {
+			return undefined
+		}
+	}
+
+	private async notifyChange(doc: TextDocument) {
+		const docAndNode = this.service.project.getClientManaged(doc.uri)
+		if (docAndNode) {
+			await this.service.project.onDidChange(doc.uri, [{ text: doc.getText() }], doc.version + 1)
+		} else {
+			await this.service.project.onDidOpen(doc.uri, doc.languageId, doc.version, doc.getText())
+		}
+		await this.service.project.ensureClientManagedChecked(doc.uri)
+	}
+
+	public async writeFile(uri: string, content: string) {
+		const document = this.client.documents.get(uri)
+		if (document) {
+			document.undoStack.push(document.doc.getText())
+			document.redoStack = []
+			TextDocument.update(document.doc, [{ text: content }], document.doc.version + 1)
+		}
+		await this.service.project.externals.fs.writeFile(uri, content)
+		if (document) {
+			await this.notifyChange(document.doc)
+		}
+	}
+
+	public async renameFile(oldUri: string, newUri: string) {
+		const content = await this.readFile(oldUri)
+		if (!content) {
+			throw new Error(`Cannot rename nonexistent file ${oldUri}`)
+		}
+		await this.service.project.externals.fs.writeFile(newUri, content)
+		await this.service.project.externals.fs.unlink(oldUri)
+		const d = this.client.documents.get(oldUri)
+		if (d) {
+			const doc = TextDocument.create(newUri, d.doc.languageId, d.doc.version, d.doc.getText())
+			this.client.documents.set(newUri, { ...d, doc })
+			this.client.documents.delete(oldUri)
+		}
+	}
+
+	public async applyEdit(uri: string, edit: (node: core.FileNode<core.AstNode>) => void) {
+		const document = this.client.documents.get(uri)
+		if (document !== undefined) {
+			document.undoStack.push(document.doc.getText())
+			document.redoStack = []
+			const docAndNode = this.service.project.getClientManaged(uri)
+			if (!docAndNode) {
+				throw new Error(`[Spyglass#applyEdit] Cannot get doc and node: ${uri}`)
+			}
+			edit(docAndNode.node)
+			const newText = this.service.format(docAndNode.node, docAndNode.doc, 2, true)
+			TextDocument.update(document.doc, [{ text: newText }], document.doc.version + 1)
+			await this.service.project.externals.fs.writeFile(uri, document.doc.getText())
+			await this.notifyChange(document.doc)
+		}
+	}
+
+	public formatNode(node: json.JsonNode, uri: string) {
+		const formatter = this.service.project.meta.getFormatter(node.type)
+		const doc = TextDocument.create(uri, 'json', 1, '')
+		const ctx = core.FormatterContext.create(this.service.project, { doc, tabSize: 2, insertSpaces: true })
+		return formatter(node, ctx)
+	}
+
+	public async undoEdit(uri: string) {
+		const document = this.client.documents.get(uri)
+		if (document === undefined) {
+			throw new Error(`[Spyglass#undoEdits] Document doesn't exist: ${uri}`)
+		}
+		const lastUndo = document.undoStack.pop()
+		if (lastUndo === undefined) {
+			return
+		}
+		document.redoStack.push(document.doc.getText())
+		TextDocument.update(document.doc, [{ text: lastUndo }], document.doc.version + 1)
+		await this.service.project.externals.fs.writeFile(uri, document.doc.getText())
+		await this.notifyChange(document.doc)
+	}
+
+	public async redoEdit(uri: string) {
+		const document = this.client.documents.get(uri)
+		if (document === undefined) {
+			throw new Error(`[Spyglass#redoEdits] Document doesn't exist: ${uri}`)
+		}
+		const lastRedo = document.redoStack.pop()
+		if (lastRedo === undefined) {
+			return
+		}
+		document.undoStack.push(document.doc.getText())
+		TextDocument.update(document.doc, [{ text: lastRedo }], document.doc.version + 1)
+		await this.service.project.externals.fs.writeFile(uri, document.doc.getText())
+		await this.notifyChange(document.doc)
+	}
+
+	public getUnsavedFileUri(gen: ConfigGenerator) {
+		if (gen.id === 'pack_mcmeta') {
+			return `${UNSAVED_URI}pack.mcmeta`
+		}
+		const pack = gen.tags?.includes('assets') ? 'assets' : 'data'
+		return `${UNSAVED_URI}${pack}/draft/${genPath(gen, this.version)}/draft.json`
+	}
+
+	public watchFile(uri: string, handler: (docAndNode: core.DocAndNode) => void) {
+		const uriWatchers = computeIfAbsent(this.fileWatchers, uri, () => [])
+		uriWatchers.push(handler)
+	}
+
+	public unwatchFile(uri: string, handler: (docAndNode: core.DocAndNode) => void) {
+		const uriWatchers = computeIfAbsent(this.fileWatchers, uri, () => [])
+		const index = uriWatchers.findIndex(w => w === handler)
+		uriWatchers.splice(index, 1)
+	}
+
+	public watchTree(prefix: string, handler: (uris: string[]) => void) {
+		this.treeWatchers.push({ prefix, handler })
+	}
+
+	public unwatchTree(prefix: string, handler: (uris: string[]) => void) {
+		const index = this.treeWatchers.findIndex(w => w.prefix === prefix && w.handler === handler)
+		this.treeWatchers.splice(index, 1)
+	}
+
+	public static async create(versionId: VersionId, client: SpyglassClient) {
+		SpyglassService.activeServiceId += 1
+		const currentServiceId = SpyglassService.activeServiceId
+		await Promise.allSettled(INITIAL_DIRS.map(async uri => client.externals.fs.mkdir(uri)))
+		const version = siteConfig.versions.find(v => v.id === versionId)!
+		const logger = console
+		const service = new core.Service({
+			logger,
+			profilers: new core.ProfilerFactory(logger, [
+				'cache#load',
+				'cache#save',
+				'project#init',
+				'project#ready',
+				'project#ready#bind',
+			]),
+			project: {
+				cacheRoot: CACHE_URI,
+				projectRoots: [ROOT_URI],
+				externals: client.externals,
+				defaultConfig: core.ConfigService.merge(core.VanillaConfig, {
+					env: {
+						gameVersion: version.dynamic ? version.id : version.ref,
+						dependencies: ['@vanilla-mcdoc', '@misode-mcdoc'],
+						customResources: {
+							text_component: {
+								category: 'text_component',
+							},
+							world: {
+								category: 'world',
+							},
+							// Partner resources
+							...Object.fromEntries(siteConfig.generators.filter(gen => gen.dependency).map(gen =>
+								[gen.path ?? gen.id, {
+									category: gen.id,
+								}]
+							)),
+						},
+					},
+					lint: {
+						idOmitDefaultNamespace: false,
+						undeclaredSymbol: [
+							{
+								if: { category: ['bossbar', 'objective', 'team', 'shader'] },
+								then: { declare: 'block' },
+							},
+							...core.VanillaConfig.lint.undeclaredSymbol as any[],
+						],
+					},
+				}),
+				initializers: [mcdoc.initialize, initialize],
+			},
+		})
+		await service.project.ready()
+		setTimeout(() => {
+			if (currentServiceId === SpyglassService.activeServiceId) {
+				service.project.cacheService.save()
+			} else {
+				logger.info('[SpyglassService] Skipped saving the cache because another service is active')
+			}
+		}, 10_000)
+		return new SpyglassService(versionId, service, client)
+	}
+}
+
+async function decompressBall(buffer: Uint8Array, options?: { stripLevel?: number }): Promise<core.DecompressedFile[]> {
+	const reader = new zip.ZipReader(new zip.BlobReader(new Blob([buffer])))
+	const entries = await reader.getEntries()
+	return await Promise.all(entries.map(async e => {
+		const data = await e.getData?.(new zip.Uint8ArrayWriter())
+		const path = options?.stripLevel === 1 ? e.filename.substring(e.filename.indexOf('/') + 1) : e.filename
+		const type = e.directory ? 'dir' : 'file'
+		return { data, path, mtime: '', type, mode: 0 }
+	}))
+}
+
+async function compressBall(files: [string, string][]): Promise<Uint8Array> {
+	const writer = new zip.ZipWriter(new zip.Uint8ArrayWriter())
+	await Promise.all(files.map(async ([name, data]) => {
+		await writer.add(name, new zip.TextReader(data))
+	}))
+	return await writer.close()
+}
+
+const initialize: core.ProjectInitializer = async (ctx) => {
+	const { config, logger, meta, externals, cacheRoot } = ctx
+
+	meta.registerDependencyProvider('@vanilla-mcdoc', async () => {
+		const uri: string = new core.Uri('downloads/vanilla-mcdoc.tar.gz', cacheRoot).toString()
+		const buffer = await fetchVanillaMcdoc()
+		await core.fileUtil.writeFile(externals, uri, new Uint8Array(buffer))
+		return { info: { startDepth: 1 }, uri }
+	})
+
+	meta.registerDependencyProvider('@misode-mcdoc', async () => {
+		const uri: string = new core.Uri('downloads/misode-mcdoc.tar.gz', cacheRoot).toString()
+		const buffer = await compressBall([['builtin.mcdoc', builtinMcdoc]])
+		await core.fileUtil.writeFile(externals, uri, buffer)
+		return { uri }
+	})
+
+	meta.registerUriBinder(je.binder.uriBinder)
+
+	const versions = await fetchVersions()
+	const release = config.env.gameVersion as ReleaseVersion
+	const version = siteConfig.versions.find(v => {
+		return v.ref ? v.ref === release : v.id === release
+	})
+	if (version === undefined) {
+		logger.error(`[initialize] Failed finding game version matching ${release}.`)
+		return
+	}
+
+	const summary: je.dependency.McmetaSummary = {
+		registries: Object.fromEntries((await fetchRegistries(version.id)).entries()),
+		blocks: Object.fromEntries([...(await fetchBlockStates(version.id)).entries()]
+			.map(([id, data]) => [id, data])),
+		fluids: je.dependency.Fluids,
+		commands: { type: 'root', children: {} },
+	}
+
+	const versionChecksum = getVersionChecksum(version.id)
+
+	meta.registerSymbolRegistrar('mcmeta-summary', {
+		checksum: versionChecksum,
+		registrar: je.dependency.symbolRegistrar(summary, release),
+	})
+
+	registerAttributes(meta, release, versions)
+
+	json.initialize(ctx)
+	je.json.initialize(ctx)
+	je.mcf.initialize(ctx, summary.commands, release)
+	nbt.initialize(ctx)
+
+	return { loadedVersion: release }
+}
+
+// Duplicate these from spyglass for now, until they are exported separately
+function registerAttributes(meta: core.MetaRegistry, release: ReleaseVersion, versions: VersionMeta[]) {
+	mcdoc.runtime.registerAttribute(meta, 'since', mcdoc.runtime.attribute.validator.string, {
+		filterElement: (config, ctx) => {
+			if (!config.startsWith('1.')) {
+				ctx.logger.warn(`Invalid mcdoc attribute for "since": ${config}`)
+				return true
+			}
+			return ReleaseVersion.cmp(release, config as ReleaseVersion) >= 0
+		},
+	})
+	mcdoc.runtime.registerAttribute(meta, 'until', mcdoc.runtime.attribute.validator.string, {
+		filterElement: (config, ctx) => {
+			if (!config.startsWith('1.')) {
+				ctx.logger.warn(`Invalid mcdoc attribute for "until": ${config}`)
+				return true
+			}
+			return ReleaseVersion.cmp(release, config as ReleaseVersion) < 0
+		},
+	})
+	mcdoc.runtime.registerAttribute(
+		meta,
+		'deprecated',
+		mcdoc.runtime.attribute.validator.optional(mcdoc.runtime.attribute.validator.string),
+		{
+			mapField: (config, field, ctx) => {
+				if (config === undefined) {
+					return { ...field, deprecated: true }
+				}
+				if (!config.startsWith('1.')) {
+					ctx.logger.warn(`Invalid mcdoc attribute for "deprecated": ${config}`)
+					return field
+				}
+				if (ReleaseVersion.cmp(release, config as ReleaseVersion) >= 0) {
+					return { ...field, deprecated: true }
+				}
+				return field
+			},
+		},
+	)
+	const maxPackFormat = versions[0].data_pack_version
+	mcdoc.runtime.registerAttribute(meta, 'pack_format', () => undefined, {
+		checker: (_, typeDef) => {
+			if (typeDef.kind !== 'literal' || typeof typeDef.value.value !== 'number') {
+				return undefined
+			}
+			const target = typeDef.value.value
+			return (node, ctx) => {
+				if (target > maxPackFormat) {
+					ctx.err.report(
+						localize('expected', localize('mcdoc.runtime.checker.range.number', localize('mcdoc.runtime.checker.range.right-inclusive', maxPackFormat))),
+						node,
+						3,
+					)
+				}
+			}
+		},
+	})
+}
diff --git a/src/app/services/Versions.ts b/src/app/services/Versions.ts
new file mode 100644
index 00000000..f1ccf137
--- /dev/null
+++ b/src/app/services/Versions.ts
@@ -0,0 +1,13 @@
+import config from '../Config.js'
+
+export const VersionIds = ['1.15', '1.16', '1.17', '1.18', '1.18.2', '1.19', '1.19.3', '1.19.4', '1.20', '1.20.2', '1.20.3', '1.20.5', '1.21', '1.21.2', '1.21.4'] as const
+export type VersionId = typeof VersionIds[number]
+
+export const DEFAULT_VERSION: VersionId = '1.21.2'
+
+export function checkVersion(versionId: string, minVersionId: string | undefined, maxVersionId?: string) {
+	const version = config.versions.findIndex(v => v.id === versionId)
+	const minVersion = minVersionId ? config.versions.findIndex(v => v.id === minVersionId) : 0
+	const maxVersion = maxVersionId ? config.versions.findIndex(v => v.id === maxVersionId) : config.versions.length - 1
+	return minVersion <= version && version <= maxVersion
+}
diff --git a/src/app/services/index.ts b/src/app/services/index.ts
index f8fb6b8a..a51c7e67 100644
--- a/src/app/services/index.ts
+++ b/src/app/services/index.ts
@@ -1,5 +1,5 @@
 export * from './Article.js'
 export * from './DataFetcher.js'
-export * from './Schemas.js'
 export * from './Sharing.js'
 export * from './Source.js'
+export * from './Versions.js'
diff --git a/src/config.json b/src/config.json
index 6faf7887..5b09121e 100644
--- a/src/config.json
+++ b/src/config.json
@@ -177,129 +177,109 @@
     {
       "id": "loot_table",
       "url": "loot-table",
-      "schema": "loot_table",
       "wiki": "https://minecraft.wiki/w/Loot_table"
     },
     {
       "id": "predicate",
       "url": "predicate",
-      "schema": "predicate",
       "wiki": "https://minecraft.wiki/w/Predicate"
     },
     {
       "id": "item_modifier",
       "url": "item-modifier",
-      "schema": "item_modifier",
       "minVersion": "1.17",
       "wiki": "https://minecraft.wiki/w/Item_modifier"
     },
     {
       "id": "advancement",
       "url": "advancement",
-      "schema": "advancement",
       "wiki": "https://minecraft.wiki/w/Custom_advancement"
     },
     {
       "id": "recipe",
       "url": "recipe",
-      "schema": "recipe",
       "wiki": "https://minecraft.wiki/w/Recipe#JSON_format"
     },
     {
       "id": "chat_type",
       "url": "chat-type",
-      "schema": "chat_type",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Chat_type"
     },
     {
       "id": "damage_type",
       "url": "damage-type",
-      "schema": "damage_type",
       "minVersion": "1.19.4",
       "wiki": "https://minecraft.wiki/w/Damage_type"
     },
     {
       "id": "trim_material",
       "url": "trim-material",
-      "schema": "trim_material",
       "minVersion": "1.19.4"
     },
     {
       "id": "trim_pattern",
       "url": "trim-pattern",
-      "schema": "trim_pattern",
       "minVersion": "1.19.4"
     },
     {
       "id": "banner_pattern",
       "url": "banner-pattern",
-      "schema": "banner_pattern",
       "minVersion": "1.20.5"
     },
     {
       "id": "wolf_variant",
       "url": "wolf-variant",
-      "schema": "wolf_variant",
       "minVersion": "1.20.5"
     },
     {
       "id": "enchantment",
       "url": "enchantment",
-      "schema": "enchantment",
       "minVersion": "1.21",
       "wiki": "https://minecraft.wiki/w/Custom_enchantment"
     },
     {
       "id": "enchantment_provider",
       "url": "enchantment-provider",
-      "schema": "enchantment_provider",
       "minVersion": "1.21",
       "wiki": "https://minecraft.wiki/w/Enchantment_provider"
     },
     {
       "id": "painting_variant",
       "url": "painting-variant",
-      "schema": "painting_variant",
       "minVersion": "1.21",
       "wiki": "https://minecraft.wiki/w/Painting_variant"
     },
     {
       "id": "jukebox_song",
       "url": "jukebox-song",
-      "schema": "jukebox_song",
       "minVersion": "1.21",
       "wiki": "https://minecraft.wiki/w/Jukebox_song_definition"
     },
     {
       "id": "instrument",
       "url": "instrument",
-      "schema": "instrument",
       "minVersion": "1.21.2"
     },
     {
       "id": "trial_spawner",
       "url": "trial-spawner",
-      "schema": "trial_spawner",
       "minVersion": "1.21.2"
     },
     {
       "id": "text_component",
       "url": "text-component",
-      "schema": "text_component",
       "noPath": true,
       "wiki": "https://minecraft.wiki/w/Raw_JSON_text_format#Java_Edition"
     },
     {
       "id": "pack_mcmeta",
       "url": "pack-mcmeta",
-      "schema": "pack_mcmeta",
       "wiki": "https://minecraft.wiki/w/Data_pack#pack.mcmeta"
     },
     {
       "id": "dimension",
       "url": "dimension",
-      "schema": "dimension",
       "tags": ["worldgen"],
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Custom_dimension"
@@ -307,7 +287,6 @@
     {
       "id": "dimension_type",
       "url": "dimension-type",
-      "schema": "dimension_type",
       "tags": ["worldgen"],
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Dimension_type"
@@ -316,7 +295,6 @@
       "id": "worldgen/biome",
       "url": "worldgen/biome",
       "tags": ["worldgen"],
-      "schema": "biome",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Custom_biome"
     },
@@ -324,7 +302,6 @@
       "id": "worldgen/configured_carver",
       "url": "worldgen/carver",
       "tags": ["worldgen"],
-      "schema": "configured_carver",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Custom_carver"
     },
@@ -332,7 +309,6 @@
       "id": "worldgen/configured_feature",
       "url": "worldgen/feature",
       "tags": ["worldgen"],
-      "schema": "configured_feature",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Configured_feature"
     },
@@ -340,7 +316,6 @@
       "id": "worldgen/placed_feature",
       "url": "worldgen/placed-feature",
       "tags": ["worldgen"],
-      "schema": "placed_feature",
       "minVersion": "1.18",
       "wiki": "https://minecraft.wiki/w/Placed_feature"
     },
@@ -348,7 +323,6 @@
       "id": "worldgen/density_function",
       "url": "worldgen/density-function",
       "tags": ["worldgen"],
-      "schema": "density_function",
       "minVersion": "1.18.2",
       "wiki": "https://minecraft.wiki/w/Density_function"
     },
@@ -356,7 +330,6 @@
       "id": "worldgen/noise",
       "url": "worldgen/noise",
       "tags": ["worldgen"],
-      "schema": "noise_parameters",
       "minVersion": "1.18",
       "wiki": "https://minecraft.wiki/w/Noise"
     },
@@ -364,7 +337,6 @@
       "id": "worldgen/noise_settings",
       "url": "worldgen/noise-settings",
       "tags": ["worldgen"],
-      "schema": "noise_settings",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Custom_noise_settings"
     },
@@ -372,7 +344,6 @@
       "id": "worldgen/configured_structure_feature",
       "url": "worldgen/structure-feature",
       "tags": ["worldgen"],
-      "schema": "configured_structure_feature",
       "minVersion": "1.16",
       "maxVersion": "1.18.2"
     },
@@ -380,7 +351,6 @@
       "id": "worldgen/structure",
       "url": "worldgen/structure",
       "tags": ["worldgen"],
-      "schema": "structure",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Custom_structure"
     },
@@ -388,7 +358,6 @@
       "id": "worldgen/structure_set",
       "url": "worldgen/structure-set",
       "tags": ["worldgen"],
-      "schema": "structure_set",
       "minVersion": "1.18.2",
       "wiki": "https://minecraft.wiki/w/Structure_set"
     },
@@ -396,7 +365,6 @@
       "id": "worldgen/configured_surface_builder",
       "url": "worldgen/surface-builder",
       "tags": ["worldgen"],
-      "schema": "configured_surface_builder",
       "minVersion": "1.16",
       "maxVersion": "1.17",
       "wiki": "https://minecraft.wiki/w/Configured_surface_builder"
@@ -405,7 +373,6 @@
       "id": "worldgen/processor_list",
       "url": "worldgen/processor-list",
       "tags": ["worldgen"],
-      "schema": "processor_list",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Processor_list"
     },
@@ -413,7 +380,6 @@
       "id": "worldgen/template_pool",
       "url": "worldgen/template-pool",
       "tags": ["worldgen"],
-      "schema": "template_pool",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Template_pool"
     },
@@ -421,7 +387,6 @@
       "id": "worldgen/world_preset",
       "url": "worldgen/world-preset",
       "tags": ["worldgen"],
-      "schema": "world_preset",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Custom_world_preset"
     },
@@ -429,14 +394,12 @@
       "id": "worldgen/flat_level_generator_preset",
       "url": "worldgen/flat-world-preset",
       "tags": ["worldgen"],
-      "schema": "flat_level_generator_preset",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Custom_world_preset#Superflat_Level_Generation_Preset"
     },
     {
       "id": "world",
       "url": "world",
-      "schema": "world_settings",
       "noPath": true,
       "tags": ["worldgen"],
       "minVersion": "1.16",
@@ -448,7 +411,6 @@
       "url": "tags/block",
       "tags": ["tags"],
       "path": "tags/block",
-      "schema": "block_tag",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
     {
@@ -456,7 +418,6 @@
       "url": "tags/enchantment",
       "tags": ["tags"],
       "path": "tags/enchantment",
-      "schema": "enchantment_tag",
       "minVersion": "1.20.5",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -465,7 +426,6 @@
       "url": "tags/entity-type",
       "tags": ["tags"],
       "path": "tags/entity_type",
-      "schema": "entity_type_tag",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
     {
@@ -473,7 +433,6 @@
       "url": "tags/fluid",
       "tags": ["tags"],
       "path": "tags/fluid",
-      "schema": "fluid_tag",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
     {
@@ -481,7 +440,6 @@
       "url": "tags/game-event",
       "tags": ["tags"],
       "path": "tags/game_event",
-      "schema": "game_event_tag",
       "minVersion": "1.17",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -490,7 +448,6 @@
       "url": "tags/item",
       "tags": ["tags"],
       "path": "tags/item",
-      "schema": "item_tag",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
     {
@@ -498,7 +455,6 @@
       "url": "tags/damage-type",
       "tags": ["tags"],
       "path": "tags/damage_type",
-      "schema": "damage_type_tag",
       "minVersion": "1.19.4",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -507,7 +463,6 @@
       "url": "tags/biome",
       "tags": ["tags", "worldgen"],
       "path": "tags/worldgen/biome",
-      "schema": "biome_tag",
       "minVersion": "1.18.2",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -516,7 +471,6 @@
       "url": "tags/structure",
       "tags": ["tags", "worldgen"],
       "path": "tags/worldgen/structure",
-      "schema": "structure_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -525,7 +479,6 @@
       "url": "tags/structure-set",
       "tags": ["tags", "worldgen"],
       "path": "tags/worldgen/structure_set",
-      "schema": "structure_set_tag",
       "minVersion": "1.18.2",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -534,7 +487,6 @@
       "url": "tags/flat-world-preset",
       "tags": ["tags", "worldgen"],
       "path": "tags/worldgen/flat_level_generator_preset",
-      "schema": "flat_level_generator_preset_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -543,7 +495,6 @@
       "url": "tags/world-preset",
       "tags": ["tags", "worldgen"],
       "path": "tags/worldgen/world_preset",
-      "schema": "world_preset_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -552,7 +503,6 @@
       "url": "tags/banner-pattern",
       "tags": ["tags"],
       "path": "tags/banner_pattern",
-      "schema": "banner_pattern_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -561,7 +511,6 @@
       "url": "tags/cat-variant",
       "tags": ["tags"],
       "path": "tags/cat_variant",
-      "schema": "cat_variant_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -570,7 +519,6 @@
       "url": "tags/enchantment",
       "tags": ["tags"],
       "path": "tags/enchantment",
-      "schema": "enchantment_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -579,7 +527,6 @@
       "url": "tags/instrument",
       "tags": ["tags"],
       "path": "tags/instrument",
-      "schema": "instrument_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -588,7 +535,6 @@
       "url": "tags/painting-variant",
       "tags": ["tags"],
       "path": "tags/painting_variant",
-      "schema": "painting_variant_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -597,7 +543,6 @@
       "url": "tags/point-of-interest-type",
       "tags": ["tags"],
       "path": "tags/point_of_interest_type",
-      "schema": "point_of_interest_type_tag",
       "minVersion": "1.19",
       "wiki": "https://minecraft.wiki/w/Tag#Java_Edition"
     },
@@ -606,7 +551,6 @@
       "url": "assets/blockstate",
       "path": "blockstates",
       "tags": ["assets"],
-      "schema": "block_definition",
       "wiki": "https://minecraft.wiki/w/Tutorials/Models#Block_states"
     },
     {
@@ -622,15 +566,20 @@
       "url": "assets/model",
       "path": "models",
       "tags": ["assets"],
-      "schema": "model",
       "wiki": "https://minecraft.wiki/w/Tutorials/Models"
     },
+    {
+      "id": "lang",
+      "url": "assets/lang",
+      "path": "lang",
+      "tags": ["assets"],
+      "wiki": "https://minecraft.wiki/w/Resource_pack#Language"
+    },
     {
       "id": "font",
       "url": "assets/font",
       "path": "font",
       "tags": ["assets"],
-      "schema": "font",
       "minVersion": "1.16",
       "wiki": "https://minecraft.wiki/w/Resource_pack#Fonts"
     },
@@ -639,137 +588,121 @@
       "url": "assets/atlas",
       "path": "atlases",
       "tags": ["assets"],
-      "schema": "atlas",
       "minVersion": "1.19.3",
       "wiki": "https://minecraft.wiki/w/Resource_pack#Atlases"
     },
     {
-      "id": "immersive_weathering.block_growth",
+      "id": "post_effect",
+      "url": "assets/post-effect",
+      "path": "post_effect",
+      "tags": ["assets"],
+      "minVersion": "1.21.2",
+      "wiki": "https://minecraft.wiki/w/Shader#Post-processing_effects"
+    },
+    {
+      "id": "immersive_weathering:block_growth",
       "url": "immersive-weathering/block-growth",
       "path": "block_growths",
       "tags": ["partners"],
-      "schema": "immersive_weathering:block_growth",
+      "dependency": "immersive_weathering",
       "minVersion": "1.18.2"
     },
     {
-      "id": "lithostitched.worldgen_modifier",
-      "url": "lithostitched/worldgen-modifier",
-      "path": "lithostitched/worldgen_modifier",
-      "tags": ["partners"],
-      "schema": "lithostitched:worldgen_modifier",
-      "minVersion": "1.20.2",
-      "wiki": "https://github.com/Apollounknowndev/lithostitched/wiki/Worldgen-Modifiers"
-    },
-    {
-      "id": "neoforge.biome_modifier",
+      "id": "neoforge:biome_modifier",
       "url": "neoforge/biome-modifier",
       "path": "neoforge/biome_modifier",
       "tags": ["partners"],
-      "schema": "neoforge:biome_modifier",
+      "dependency": "neoforge",
       "minVersion": "1.20.2",
       "wiki": "https://docs.neoforged.net/docs/worldgen/biomemodifier"
     },
     {
-      "id": "neoforge.data_map_compostables",
+      "id": "neoforge:data_map_compostables",
       "url": "neoforge/data-map-compostables",
       "path": "neoforge/data_map_compostables",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_compostables",
+      "dependency": "neoforge",
       "minVersion": "1.20.4",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgecompostables"
     },
     {
-      "id": "neoforge.data_map_furnace_fuels",
+      "id": "neoforge:data_map_furnace_fuels",
       "url": "neoforge/data-map-furnace-fuels",
       "path": "neoforge/data_map_furnace_fuels",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_furnace_fuels",
+      "dependency": "neoforge",
       "minVersion": "1.20.4",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgefurnace_fuels"
     },
     {
-      "id": "neoforge.data_map_monster_room_mobs",
+      "id": "neoforge:data_map_monster_room_mobs",
       "url": "neoforge/data-map-monster-room-mobs",
       "path": "neoforge/data_map_monster_room_mobs",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_monster_room_mobs",
+      "dependency": "neoforge",
       "minVersion": "1.20.6",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgemonster_room_mobs"
     },
     {
-      "id": "neoforge.data_map_oxidizables",
+      "id": "neoforge:data_map_oxidizables",
       "url": "neoforge/data-map-oxidizables",
       "path": "neoforge/data_map_oxidizables",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_oxidizables",
+      "dependency": "neoforge",
       "minVersion": "1.21",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgeoxidizables"
     },
     {
-      "id": "neoforge.data_map_parrot_imitations",
+      "id": "neoforge:data_map_parrot_imitations",
       "url": "neoforge/data-map-parrot-imitations",
       "path": "neoforge/data_map_parrot_imitations",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_parrot_imitations",
+      "dependency": "neoforge",
       "minVersion": "1.20.4",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgeparrot_imitations"
     },
     {
-      "id": "neoforge.data_map_raid_hero_gifts",
+      "id": "neoforge:data_map_raid_hero_gifts",
       "url": "neoforge/data-map-raid-hero-gifts",
       "path": "neoforge/data_map_raid_hero_gifts",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_raid_hero_gifts",
+      "dependency": "neoforge",
       "minVersion": "1.20.4",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgeraid_hero_gifts"
     },
     {
-      "id": "neoforge.data_map_vibration_frequencies",
+      "id": "neoforge:data_map_vibration_frequencies",
       "url": "neoforge/data-map-vibration-frequencies",
       "path": "neoforge/data_map_vibration_frequencies",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_vibration_frequencies",
+      "dependency": "neoforge",
       "minVersion": "1.20.4",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgevibration_frequencies"
     },
     {
-      "id": "neoforge.data_map_waxables",
+      "id": "neoforge:data_map_waxables",
       "url": "neoforge/data-map-waxables",
       "path": "neoforge/data_map_waxables",
       "tags": ["partners"],
-      "schema": "neoforge:data_map_waxables",
+      "dependency": "neoforge",
       "minVersion": "1.21",
       "wiki": "https://docs.neoforged.net/docs/resources/server/datamaps/builtin#neoforgewaxables"
     },
     {
-      "id": "neoforge.structure_modifier",
+      "id": "neoforge:structure_modifier",
       "url": "neoforge/structure-modifier",
       "path": "neoforge/structure_modifier",
       "tags": ["partners"],
-      "schema": "neoforge:structure_modifier",
+      "dependency": "neoforge",
       "minVersion": "1.20.2",
       "wiki": "https://github.com/neoforged/NeoForge/blob/1.21.x/src/main/java/net/neoforged/neoforge/common/world/StructureModifiers.java"
     },
     {
-      "id": "obsidian.item",
-      "url": "obsidian/item",
-      "path": "obsidian_item",
-      "tags": ["partners"],
-      "schema": "obsidian:item"
-    },
-    {
-      "id": "obsidian.block",
-      "url": "obsidian/block",
-      "path": "obsidian_block",
-      "tags": ["partners"],
-      "schema": "obsidian:block"
-    },
-    {
-      "id": "ohthetreesyoullgrow.configured_feature",
+      "id": "ohthetreesyoullgrow:configured_feature",
       "url": "ohthetreesyoullgrow/feature",
-      "path": "configured_feature",
+      "path": "ohthetreesyoullgrow/configured_feature",
       "tags": ["partners"],
-      "schema": "ohthetreesyoullgrow:configured_feature",
+      "dependency": "ohthetreesyoullgrow",
       "minVersion": "1.20",
       "wiki": "https://github.com/CorgiTaco/Oh-The-Trees-Youll-Grow/wiki/Generating-Your-Tree-With-Data-Packs!"
     }
diff --git a/src/locales/en.json b/src/locales/en.json
index f6089e96..7fd6fcc1 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -3,6 +3,7 @@
   "3d": "3D",
   "add": "Add",
   "add_bottom": "Add to bottom",
+  "add_key": "Add key",
   "add_top": "Add to top",
   "any_version": "Any",
   "assets": "Assets",
@@ -67,30 +68,29 @@
   "generator.error_max_version": "This generator is not available in versions above %0%",
   "generator.error_min_version": "The minimum version for this generator is %0%",
   "generator.font": "Font",
-  "generator.immersive_weathering.block_growth": "Block Growth",
+  "generator.immersive_weathering:block_growth": "Block Growth",
   "generator.instrument": "Instrument",
   "generator.item_definition": "Item",
   "generator.item_modifier": "Item Modifier",
   "generator.jukebox_song": "Jukebox Song",
-  "generator.lithostitched.worldgen_modifier": "Worldgen Modifier",
+  "generator.lang": "Language",
   "generator.loot_table": "Loot Table",
   "generator.model": "Model",
-  "generator.neoforge.biome_modifier": "Biome Modifier",
-  "generator.neoforge.data_map_compostables": "Compostables Data Map",
-  "generator.neoforge.data_map_furnace_fuels": "Furnace Fuels Data Map",
-  "generator.neoforge.data_map_monster_room_mobs": "Monster Room Mobs Data Map",
-  "generator.neoforge.data_map_oxidizables": "Oxidizables Data Map",
-  "generator.neoforge.data_map_parrot_imitations": "Parrot Imitations Data Map",
-  "generator.neoforge.data_map_raid_hero_gifts": "Raid Hero Gifts Data Map",
-  "generator.neoforge.data_map_vibration_frequencies": "Vibration Frequencies Data Map",
-  "generator.neoforge.data_map_waxables": "Waxables Data Map",
-  "generator.neoforge.structure_modifier": "Structure Modifier",
+  "generator.neoforge:biome_modifier": "Biome Modifier",
+  "generator.neoforge:data_map_compostables": "Compostables Data Map",
+  "generator.neoforge:data_map_furnace_fuels": "Furnace Fuels Data Map",
+  "generator.neoforge:data_map_monster_room_mobs": "Monster Room Mobs Data Map",
+  "generator.neoforge:data_map_oxidizables": "Oxidizables Data Map",
+  "generator.neoforge:data_map_parrot_imitations": "Parrot Imitations Data Map",
+  "generator.neoforge:data_map_raid_hero_gifts": "Raid Hero Gifts Data Map",
+  "generator.neoforge:data_map_vibration_frequencies": "Vibration Frequencies Data Map",
+  "generator.neoforge:data_map_waxables": "Waxables Data Map",
+  "generator.neoforge:structure_modifier": "Structure Modifier",
   "generator.not_found": "Cannot find generator \"%0%\"",
-  "generator.obsidian.block": "Obsidian Block",
-  "generator.obsidian.item": "Obsidian Item",
-  "generator.ohthetreesyoullgrow.configured_feature": "OTTYG Feature",
+  "generator.ohthetreesyoullgrow:configured_feature": "OTTYG Feature",
   "generator.pack_mcmeta": "Pack.mcmeta",
   "generator.painting_variant": "Painting Variant",
+  "generator.post_effect": "Post Effect",
   "generator.predicate": "Predicate",
   "generator.recipe": "Recipe",
   "generator.switch_version": "Switch to %0%",
@@ -161,6 +161,7 @@
   "layer.vegetation": "Humidity",
   "learn_on_the_wiki": "Learn on the wiki",
   "loading": "Loading...",
+  "missing_key": "Missing required key %0%",
   "mode.3d": "3D",
   "mode.side": "Side",
   "mode.top": "Top",
@@ -226,6 +227,7 @@
   "reset_default": "Reset to default",
   "resource_location": "Resource location",
   "restore_backup": "Restore last backup",
+  "root": "Root",
   "search": "Search",
   "settings": "Settings",
   "settings.fields.description": "Customize advanced field settings",
@@ -288,6 +290,7 @@
   "transformation.scale": "Scale",
   "transformation.translation": "Translation",
   "undo": "Undo",
+  "unset": "-- unset --",
   "version_diff.word_wrap": "Word wrap",
   "versions.all": "All versions",
   "versions.article": "Article",
diff --git a/src/styles/global.css b/src/styles/global.css
index b6c9778c..5c78c79f 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -1,7 +1,9 @@
 :root {
 	--background-1: #fafafa;
 	--background-2: #e2e2e2;
+	--background-2-shimmer: #d9d9d9;
 	--background-3: #d4d3d3;
+	--background-3-shimmer: #cbcbcb;
 	--background-4: #b8b8b8;
 	--background-5: #bdbdbd;
 	--background-6: #cecece;
@@ -53,8 +55,10 @@
 :root.dark {
 	--background-1: #1b1b1b;
 	--background-2: #252525;
+	--background-2-shimmer: #2c2c2c;
 	--background-3: #222222;
 	--background-4: #3d3d3d;
+	--background-4-shimmer: #424242;
 	--background-5: #383838;
 	--background-6: #575757;
 	--text-1: #ffffff;
@@ -330,6 +334,7 @@ main > .controls {
 
 .project-controls {
 	margin: 8px;
+	margin-right: 0;
 	display: flex;
 	z-index: 2;
 }
@@ -360,16 +365,48 @@ main > .controls {
 	z-index: 10;
 }
 
-.tree {
+.file-view {
 	margin-top: -40px;
 	overflow-x: auto;
 	padding: 8px 16px 50vh;
 }
 
-.error + .tree {
+.error + .file-view {
 	margin-top: 0;
 }
 
+.skeleton {
+	opacity: 1;
+  background-image: linear-gradient(90deg, var(--background-2) 0px, var(--background-2-shimmer) 38px, var(--background-2-shimmer) 42px, var(--background-2) 80px);
+  background-size: 600px;
+  animation: skeleton-shimmer 2.5s infinite linear, skeleton-fade-in 1s forwards linear;
+}
+
+.skeleton-2 {
+	opacity: 1;
+  background-image: linear-gradient(90deg, var(--background-4) 0px, var(--background-4-shimmer) 38px, var(--background-4-shimmer) 42px, var(--background-4) 80px);
+  background-size: 600px;
+  animation: skeleton-shimmer 2.5s infinite linear, skeleton-fade-in 1s forwards linear;
+}
+
+@keyframes skeleton-shimmer {
+  0% {
+    background-position: -110px;
+  }
+  40%, 100% {
+    background-position: 300px;
+  }
+}
+
+@keyframes skeleton-fade-in {
+	0%, 20% {
+		opacity: 0;
+	}
+	100% {
+		opacity: 1;
+	}
+}
+
 .popup-source {
 	position: fixed;
 	display: flex;
@@ -520,10 +557,8 @@ canvas.preview-details.visible {
 .popup-project {
 	position: fixed;
 	display: flex;
-	flex-direction: column;
+	flex-direction: row;
 	height: calc(100% - 56px);
-	width: 200px;
-	width: max(200px, 20vw);
 	right: 100%;
 	bottom: 0;
 	z-index: 3;
@@ -538,8 +573,20 @@ canvas.preview-details.visible {
 }
 
 main.has-project {
-	padding-left: 200px;
-	padding-left: max(200px, 20vw);
+	padding-left: var(--project-panel-width, 200px);
+}
+
+.popup-project .panel-content {
+	display: flex;
+	flex-direction: column;
+	width: calc(100% - 8px);
+}
+
+.panel-resize {
+	width: 8px;
+	height: 100%;
+	cursor: ew-resize;
+	user-select: none;
 }
 
 .preview-overlay {
@@ -1423,7 +1470,7 @@ main.has-project {
 	font-size: 16px;
 }
 
-[data-modals] .tree {
+[data-modals] .file-view {
 	pointer-events: none;
 }
 
@@ -1775,7 +1822,7 @@ hr {
 	content: '\200b';
 }
 
-.file-view {
+.project-files {
 	background-color: var(--background-2);
 	color: var(--text-2);
 	overflow: hidden;
@@ -1784,7 +1831,7 @@ hr {
 	flex-grow: 1;
 }
 
-.file-view > span {
+.project-files > span {
 	padding: 4px 8px;
 }
 
@@ -1932,8 +1979,10 @@ hr {
 }
 
 .ea-content {
+	opacity: 1;
 	margin: 0 !important;
 	background: var(--background-2) !important;
+	animation: skeleton-fade-in 0.5s forwards linear;
 }
 
 .ea-content span {
@@ -2967,13 +3016,13 @@ hr {
 }
 
 @media screen and (max-width: 1300px) {
-	main.has-preview .tree {
+	main.has-preview .file-view {
 		margin-top: 4px;
 	}
 }
 
 @media screen and (max-width: 800px) {
-	main .tree {
+	main .file-view {
 		margin-top: 4px !important;
 	}
 }
@@ -3004,7 +3053,7 @@ hr {
 		top: 64px
 	}
 
-	.tree {
+	.file-view {
 		padding-left: 8px;
 		padding-right: 8px;
 	}
diff --git a/src/styles/nodes.css b/src/styles/nodes.css
index 22035cd9..5336c764 100644
--- a/src/styles/nodes.css
+++ b/src/styles/nodes.css
@@ -5,15 +5,16 @@
   --node-background-hover: #e7e7e7;
   --node-text: #000000;
   --node-text-dimmed: #2c2c2c;
-  --node-selected: #f0e65e;
-  --node-selected-hover: #faf06c;
-  --node-selected-border: #b9a327;
+  --node-selected: #f0bc5c;
+  --node-selected-hover: #fdce75;
+  --node-selected-border: #d6a343;
   --node-add: #9bd464;
-  --node-add-hover: #a5dd70;
+  --node-add-hover: #b0e77c;
   --node-add-border: #498d09;
   --node-remove: #e76f51;
-  --node-remove-hover: #f57656;
+  --node-remove-hover: #f77c5d;
   --node-remove-border: #be4b2e;
+  --node-help: #babcc0;
   --node-indent-border: #b9b9b9;
   --category-predicate: #65b5b8;
   --category-predicate-border: #187e81;
@@ -33,22 +34,23 @@
   --node-background-hover: #1f1f1f;
   --node-text: #dadada;
   --node-text-dimmed: #b4b4b4;
-  --node-selected: #ad9715;
-  --node-selected-hover: #a38c0a;
-  --node-selected-border: #8d7a0d;
+  --node-selected: #7f5505;
+  --node-selected-hover: #724c04;
+  --node-selected-border: #6c4702;
   --node-add: #487c13;
-  --node-add-hover: #3e7409;
+  --node-add-hover: #396a08;
   --node-add-border: #3b6e0c;
   --node-remove: #9b341b;
-  --node-remove-hover: #922d13;
+  --node-remove-hover: #86270f;
   --node-remove-border: #7e1d05;
+  --node-help: #494949;
   --node-indent-border: #454749;
   --category-predicate: #306163;
   --category-predicate-border: #224849;
   --category-predicate-background: #1d3333;
-  --category-function: #838383;
-  --category-function-border: #6b6b6b;
-  --category-function-background: #414141;
+  --category-function: #5f5f5f;
+  --category-function-border: #4a4a4a;
+  --category-function-background: #2c2c2c;
   --category-pool: #386330;
   --category-pool-border: #2e4922;
   --category-pool-background: #21331d;
@@ -72,11 +74,15 @@
 
 .node-header > label {
   align-self: flex-start;
-  padding: 0 9px;
   line-height: 1.94rem;
+  background-color: var(--node-background-label);
+}
+
+.node-header > label > span {
+  padding: 0 9px;
   white-space: nowrap;
   user-select: none;
-  background-color: var(--node-background-label);
+  text-decoration-color: var(--node-text-dimmed);
 }
 
 .node-header > label > .item-display {
@@ -84,6 +90,35 @@
   height: 32px;
 }
 
+.node-doc {
+  position: absolute;
+  font-size: 16px;
+  line-height: 1.3;
+  z-index: 10;
+  margin-top: -1px;
+  margin-left: 3px;
+  padding: 4px 9px;
+  border-radius: 4px;
+  border: 1px solid;
+  color: var(--node-text-dimmed);
+  border-color: var(--node-border);
+  background-color: var(--node-background-label);
+	box-shadow: 0 1px 7px -2px #000;
+}
+
+.node-header > label > span:hover + .node-doc {
+  display: block;
+}
+
+.node-doc code {
+  color: var(--accent-primary);
+}
+
+.node-doc ul {
+  padding-left: 16px;
+  list-style-type: disc;
+}
+
 .node-header > input {
   font-size: 18px;
   padding-left: 9px;
@@ -120,11 +155,11 @@
   background-color: var(--node-background-input);
 }
 
-.node-header button:not([disabled]):hover {
+.node-header button:enabled:hover {
   background-color: var(--node-background-hover);
 }
 
-.node-header a {
+.node-header > a {
   display: flex;
   align-items: center;
   font-size: 18px;
@@ -136,14 +171,13 @@
   background-color: var(--node-background-input);
 }
 
-.object-node > .node-header > .node-collapse {
-  cursor: pointer;
+.node-warning ~ select:last-child,
+.node-warning ~ input:last-child {
+  border-color: var(--node-selected) !important;
 }
 
 .node-error ~ select:last-child,
-.node-error ~ input:last-child,
-.node-error ~ input[list]:nth-last-child(2),
-.node-error + .fixed-list ~ input {
+.node-error ~ input:last-child {
   border-color: var(--node-remove) !important;
 }
 
@@ -159,8 +193,7 @@
   border-bottom-left-radius: 3px;
 }
 
-.node-header > *:last-child,
-.node-header > input[list]:nth-last-child(2) {
+.node-header > *:last-child {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
 }
@@ -169,54 +202,43 @@
   margin-right: -1px;
 }
 
-.object-node:not(.no-body) > .node-header > *:first-child,
-.map-node > .node-header > *:first-child,
-.list-node > .node-header > *:first-child {
-  border-top-left-radius: 8px;
-  border-bottom-left-radius: 0;
-}
-
 /* Buttons */
 
 button.selected {
   background-color: var(--node-selected);
   border-color: var(--node-selected-border);
 }
-button:not([disabled]).selected:hover {
+
+button.selected:enabled:hover {
   background-color: var(--node-selected-hover);
 }
 
-.node-collapse svg {
-  fill: var(--node-text);
-}
-
-.node-collapse.closed,
 button.add {
   background-color: var(--node-add);
   border-color: var(--node-add-border);
 }
 
-.node-collapse:not([disabled]).closed:hover,
-button:not([disabled]).add:hover {
+button.add:enabled:hover {
   background-color: var(--node-add-hover);
 }
 
-.node-collapse.open,
 button.remove {
   background-color: var(--node-remove);
   border-color: var(--node-remove-border);
 }
 
-.node-collapse:not([disabled]).open:hover,
-button:not([disabled]).remove:hover {
+button.remove:enabled:hover {
   background-color: var(--node-remove-hover);
 }
 
+.node-header button:disabled {
+  cursor: unset;
+}
+
 .node-header > button svg {
   fill: var(--node-text);
 }
 
-.node-header > button.node-collapse:last-child,
 .node-header > button.add:last-child {
   border-top-right-radius: 6px;
   border-bottom-right-radius: 6px;
@@ -289,18 +311,23 @@ button.move:disabled {
 }
 
 .node-icon.node-help svg {
-  fill: var(--node-border);
+  fill: var(--node-help);
 }
 
 .node-icon.node-error svg {
   fill: var(--node-remove);
 }
 
+.node-icon.node-warning svg {
+  fill: var(--node-selected);
+}
+
 .node-menu {
   position: absolute;
   left: 0;
   top: 100%;
   width: min-content;
+  height: unset;
   margin-top: 4px;
   margin-left: 4px;
   z-index: 1;
@@ -344,50 +371,22 @@ button.move:disabled {
 
 /* Node body and list entry */
 
-.node {
-  margin-bottom: 4px;
-}
-
-.node-body > .node:first-child {
-  margin-top: 4px;
-}
-
-.node:last-child {
-  margin-bottom: 0;
-}
-
-.node-body {
-  border-left: 3px solid var(--node-indent-border);
+.node, .node-root, .node-body-flat {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
 }
 
 .node-body {
   display: flex;
   flex-direction: column;
+  gap: 4px;
   padding-left: 18px;
+  border-left: 3px solid var(--node-indent-border);
 }
 
-.list-node > .node-body > .object-node > .node-body,
-.map-node > .node-body > .object-node > .node-body {
-  padding-left: 0;
-}
-
-.list-node > .node-body > .object-node > .node-body > .node > .node-body,
-.map-node > .node-body > .object-node > .node-body > .node > .node-body {
-  border-left: none;
-}
-
-.list-node > .node-body > .object-node > .node-body > .node > .node-header > .node-icon:first-child + *,
-.list-node > .node-body > .object-node > .node-body > .node > .node-header > *:first-child,
-.map-node > .node-body > .object-node > .node-body > .node > .node-header > .node-icon:first-child + *,
-.map-node > .node-body > .object-node > .node-body > .node > .node-header > *:first-child {
-  border-top-left-radius: 0;
-  border-bottom-left-radius: 0;
-  border-left: none;
-}
-
-.node-body > .object-node[data-category],
-.node-body > .list-node[data-category],
-.node-body > .map-node[data-category] {
+.node-body > .node[data-category],
+.node-body-flat > .node[data-category] {
   width: 100%;
   min-width: max-content;
   padding: 5px;
@@ -396,96 +395,98 @@ button.move:disabled {
   border-radius: 3px;
 }
 
-.node-body > .object-node[data-category] > .node-header > .node-icon:first-child + *,
-.node-body > .object-node[data-category] > .node-header > *:first-child {
-  border-top-left-radius: 0;
-  border-bottom-left-radius: 0;
+.node-body > .node[data-category] > .node-body {
+  border: none;
+}
+
+.node > .node-body-flat > .node > .node-body {
   border-left: none;
 }
 
-.node-body > .object-node[data-category] > .node-body,
-.node-body > .list-node[data-category] > .node-body,
-.node-body > .map-node[data-category] > .node-body {
-  border: none;
+.node > .node-body-flat > .node > .node-header > .node-icon + *,
+.node > .node-body-flat > .node > .node-header > *:first-child,
+.node[data-category] > .node-header > .node-icon + *,
+.node[data-category] > .node-header > *:first-child {
+  border-left: none;
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.node:not([data-category]) > .node-body-flat {
+  border-left: 3px solid var(--node-indent-border);
 }
 
 /* Node type specifics */
 
-.range-node select {
-  width: 25px;
-}
-
-.fixed-list {
-  display: none;
-}
-
-.number-node input,
-.range-node input,
-.fixed-list ~ input {
+.short-input {
   width: 100px;
 }
 
+.long-input {
+  width: 300px;
+}
+
 /* Color categories */
 
 [data-category=predicate] > .node-header > label,
-[data-category=predicate].node-header > label,
-[data-category=predicate] > .node-body > .node > .node-header > label {
+[data-category=predicate] > .node-header > button.toggle,
+[data-category=predicate] > .node-body > .node > .node-header > label,
+[data-category=predicate] > .node-body-flat > .node > .node-header > label {
   background-color: var(--category-predicate);
 }
 
 [data-category=predicate] > .node-body,
 [data-category=predicate] > .node-header > label,
-[data-category=predicate].node-header > label,
 [data-category=predicate] > .node-header > *:not(.selected),
-[data-category=predicate] > .node-body > .node > .node-header > *:not(.selected) {
+[data-category=predicate] > .node-body > .node > .node-header > *:not(.selected),
+[data-category=predicate] > .node-body-flat > .node > .node-header > *:not(.selected) {
   border-color: var(--category-predicate-border);
 }
 
-.node-body > .node.object-node[data-category=predicate],
-.node-body > .node.list-node[data-category=predicate],
-.node-body > .node.map-node[data-category=predicate] {
+.node-body > .node[data-category=predicate],
+.node-body-flat > .node[data-category=predicate] {
   background-color: var(--category-predicate-background);
   border-color: var(--category-predicate-border);
 }
 
 [data-category=function] > .node-header > label,
-[data-category=function].node-header > label,
-[data-category=function] > .node-body > .node > .node-header > label {
+[data-category=function] > .node-header > button.toggle,
+[data-category=function] > .node-body > .node > .node-header > label,
+[data-category=function] > .node-body-flat > .node > .node-header > label {
   background-color: var(--category-function);
 }
 
 [data-category=function] > .node-body,
 [data-category=function] > .node-header > label,
-[data-category=function].node-header > label,
 [data-category=function] > .node-header > *:not(.selected),
-[data-category=function] > .node-body > .node > .node-header > *:not(.selected) {
+[data-category=function] > .node-body > .node > .node-header > *:not(.selected),
+[data-category=function] > .node-body-flat > .node > .node-header > *:not(.selected) {
   border-color: var(--category-function-border);
 }
 
-.node-body > .node.object-node[data-category=function],
-.node-body > .node.list-node[data-category=function],
-.node-body > .node.map-node[data-category=function] {
+.node-body > .node[data-category=function],
+.node-body-flat > .node[data-category=function] {
   background-color: var(--category-function-background);
   border-color: var(--category-function-border);
 }
 
 [data-category=pool] > .node-header > label,
-[data-category=pool].node-header > label,
-[data-category=pool] > .node-body > .node > .node-header > label {
+[data-category=pool] > .node-header > button.toggle,
+[data-category=pool] > .node-body > .node > .node-header > label,
+[data-category=pool] > .node-body-flat > .node > .node-header > label {
   background-color: var(--category-pool);
 }
 
 [data-category=pool] > .node-body,
 [data-category=pool] > .node-header > label,
-[data-category=pool].node-header > label,
 [data-category=pool] > .node-header > *:not(.selected),
-[data-category=pool] > .node-body > .node > .node-header > *:not(.selected) {
+[data-category=pool] > .node-body > .node > .node-header > *:not(.selected),
+[data-category=pool] > .node-body-flat > .node > .node-header > *:not(.selected) {
   border-color: var(--category-pool-border);
 }
 
-.node-body > .node.object-node[data-category=pool],
-.node-body > .node.list-node[data-category=pool],
-.node-body > .node.map-node[data-category=pool] {
+.node-body > .node[data-category=pool],
+.node-body-flat > .node[data-category=pool] {
   background-color: var(--category-pool-background);
   border-color: var(--category-pool-border);
 }
diff --git a/tsconfig.json b/tsconfig.json
index 014f1760..8709a132 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es6",
+    "target": "es2021",
     "module": "node16",
     "lib": ["dom","esnext"],
     "moduleResolution": "node16",
diff --git a/vite.config.js b/vite.config.js
index dd13a1e8..4e566310 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -19,8 +19,14 @@ export default defineConfig({
 			{ find: 'react/jsx-runtime', replacement: 'preact/jsx-runtime' },
 		],
 	},
+	optimizeDeps: {
+		esbuildOptions: {
+			target: 'es2021',
+		},
+	},
 	build: {
 		sourcemap: true,
+		target: 'es2021',
 		rollupOptions: {
 			plugins: [
 				html({