feat: Integrate Staticcheck Pre-Commit Hook and Update QA Report

- Updated current specification to reflect the integration of Staticcheck into pre-commit hooks.
- Added problem statement, success criteria, and implementation plan for Staticcheck integration.
- Enhanced QA validation report to confirm successful implementation of Staticcheck pre-commit blocking.
- Created new Playwright configuration and example test cases for frontend testing.
- Updated package.json and package-lock.json to include Playwright and related dependencies.
- Archived previous QA report for CI workflow documentation updates.

.vscode/tasks.json

@@ -97,6 +97,24 @@
             "group": "test",
             "problemMatcher": ["$go"]
         },
+        {
+            "label": "Lint: Staticcheck (Fast)",
+            "type": "shell",
+            "command": "cd backend && golangci-lint run --config .golangci-fast.yml ./...",
+            "group": "test",
+            "problemMatcher": ["$go"],
+            "presentation": {
+                "reveal": "always",
+                "panel": "dedicated"
+            }
+        },
+        {
+            "label": "Lint: Staticcheck Only",
+            "type": "shell",
+            "command": "cd backend && golangci-lint run --config .golangci-fast.yml --disable-all --enable staticcheck ./...",
+            "group": "test",
+            "problemMatcher": ["$go"]
+        },
         {
             "label": "Lint: GolangCI-Lint (Docker)",
             "type": "shell",