feat: add new UI components and improve existing ones

- Introduced `Field` and `Label` components for better form handling.
- Refactored `Input` and `Textarea` components to use forward refs and improved styling.
- Updated `PendingSubmitButton` to use the new `Button` component.
- Enhanced `Skeleton` component for better layout handling.
- Revamped `Toast` component to support live regions and improved accessibility.
- Updated sidebar configuration to use typed icons.
- Added phase 3 UI boundary checks to prevent usage of deprecated imports.
- Implemented new authentication action handler for better cookie management.
- Improved setup logic for freelancer accounts with repair functionality.

package.json

@@ -13,7 +13,8 @@
     "db:backup": "node scripts/backup.mjs",
     "db:restore": "node scripts/restore.mjs",
     "phase1:smoke": "node scripts/phase1-smoke.mjs",
-    "phase2:smoke": "node scripts/phase2-auth-smoke.mjs"
+    "phase2:smoke": "node scripts/phase2-auth-smoke.mjs",
+    "phase3:ui-boundary": "node scripts/phase3-ui-boundary.mjs"
   },
   "dependencies": {
     "@ai-sdk/google": "^3.0.80",