feat(config): enhance development experience with strict linting and types

- Update ESLint configuration with strict React/TypeScript rules
- Enhance TypeScript configuration with stricter checks
- Add comprehensive type definitions and exports
- Update App.tsx with new routing and layout integration
- Create showcase pages for component development
- Improve package.json with proper dependencies

Configuration ensures code quality and developer productivity with
zero-tolerance for type errors and consistent code standards.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

reactrebuild0825/package.json

@@ -18,7 +18,17 @@
     "quality:fix": "npm run typecheck && npm run lint:fix && npm run format",
     "test": "playwright test",
     "test:ui": "playwright test --ui",
-    "test:headed": "playwright test --headed"
+    "test:headed": "playwright test --headed",
+    "test:qa": "tsx tests/test-runner.ts",
+    "test:qa:critical": "tsx tests/test-runner.ts --critical",
+    "test:qa:headed": "tsx tests/test-runner.ts --headed",
+    "test:smoke": "playwright test tests/smoke.spec.ts",
+    "test:auth": "playwright test tests/auth-realistic.spec.ts",
+    "test:auth:enhanced": "playwright test tests/auth.spec.ts",
+    "test:navigation": "playwright test tests/navigation.spec.ts",
+    "test:theme": "playwright test tests/theme.spec.ts",
+    "test:responsive": "playwright test tests/responsive.spec.ts",
+    "test:components": "playwright test tests/components.spec.ts"
   },
   "dependencies": {
     "@hookform/resolvers": "^3.9.1",
@@ -36,6 +46,7 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.54.2",
+    "@types/node": "^22.10.2",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
     "@typescript-eslint/eslint-plugin": "^8.39.1",
@@ -56,7 +67,9 @@
     "prettier": "^3.3.3",
     "prettier-plugin-tailwindcss": "^0.6.14",
     "tailwindcss": "^3.4.14",
+    "tsx": "^4.19.2",
     "typescript": "^5.6.3",
+    "typescript-eslint": "^8.39.1",
     "vite": "^6.0.1"
   },
   "keywords": [