first rewrite commit

src/lib/db.ts

@@ -0,0 +1,21 @@
+import Database from "better-sqlite3";
+import { mkdirSync } from "node:fs";
+import { dirname, join } from "node:path";
+import { runMigrations } from "./migrations";
+
+const defaultDbPath = join(process.cwd(), "data", "caddy-proxy-manager.db");
+const dbPath = process.env.DATABASE_PATH || defaultDbPath;
+
+mkdirSync(dirname(dbPath), { recursive: true });
+
+const db = new Database(dbPath);
+db.pragma("journal_mode = WAL");
+db.pragma("busy_timeout = 5000");
+
+runMigrations(db);
+
+export default db;
+
+export function nowIso(): string {
+  return new Date().toISOString();
+}