🔧 Fix critical issues and improve project stability

- Fixed TypeScript errors in tickets.ts (FastAPIValidationError interface)
- Corrected SQLAlchemy imports with TYPE_CHECKING pattern in models
- Created missing tsconfig.json files for both frontends
- Enhanced .env configuration with additional security settings
- Completed /auth/me endpoint implementation with database queries
- Fixed Alembic migrations issue (a7f9c8d2e4b1 → 13362e8c493a)
- Set up basic testing framework with pytest
- Resolved configuration issues in Pydantic Settings
- Cleaned up duplicate migrations structure
- Format improvements in tsconfig.json files

✅ All services healthy, tests passing (9/10), migrations working

frontend-internal/tsconfig.json

@@ -1,29 +1,33 @@
 {
-  "extends": "./.svelte-kit/tsconfig.json",
-  "compilerOptions": {
-    "allowJs": true,
-    "checkJs": true,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "resolveJsonModule": true,
-    "skipLibCheck": true,
-    "sourceMap": true,
-    "strict": true,
-    "moduleResolution": "bundler",
-    "target": "ES2020",
-    "module": "ESNext",
-    "lib": ["ES2020", "DOM", "DOM.Iterable"],
-    "allowSyntheticDefaultImports": true,
-    "isolatedModules": true
-  },
-  "include": [
-    "src/**/*",
-    "app.d.ts"
-  ],
-  "exclude": [
-    "node_modules/**",
-    ".svelte-kit/**",
-    "build/**",
-    "dist/**"
-  ]
+    "extends": "./.svelte-kit/tsconfig.json",
+    "compilerOptions": {
+        "allowJs": true,
+        "checkJs": true,
+        "esModuleInterop": true,
+        "forceConsistentCasingInFileNames": true,
+        "resolveJsonModule": true,
+        "skipLibCheck": true,
+        "sourceMap": true,
+        "strict": true,
+        "moduleResolution": "bundler",
+        "target": "ES2020",
+        "module": "ESNext",
+        "lib": [
+            "ES2020",
+            "DOM",
+            "DOM.Iterable"
+        ],
+        "allowSyntheticDefaultImports": true,
+        "isolatedModules": true
+    },
+    "include": [
+        "src/**/*",
+        "app.d.ts"
+    ],
+    "exclude": [
+        "node_modules/**",
+        ".svelte-kit/**",
+        "build/**",
+        "dist/**"
+    ]
 }