feat: add tests and implementation for issue discovery and queue pages

- Implemented `DiscoveryPage` with session management and findings display.
- Added tests for `DiscoveryPage` to ensure proper rendering and functionality.
- Created `QueuePage` for managing issue execution queues with stats and actions.
- Added tests for `QueuePage` to verify UI elements and translations.
- Introduced `useIssues` hooks for fetching and managing issue data.
- Added loading skeletons and error handling for better user experience.
- Created `vite-env.d.ts` for TypeScript support in Vite environment.

ccw/frontend/package.json

@@ -19,11 +19,13 @@
   "dependencies": {
     "@formatjs/icu-messageformat-parser": "^2.11.4",
     "@hello-pangea/dnd": "^18.0.1",
+    "@radix-ui/react-alert-dialog": "^1.1.15",
     "@radix-ui/react-checkbox": "^1.3.3",
     "@radix-ui/react-dialog": "^1.1.0",
     "@radix-ui/react-dropdown-menu": "^2.1.0",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-progress": "^1.1.8",
+    "@radix-ui/react-radio-group": "^1.3.8",
     "@radix-ui/react-select": "^2.1.0",
     "@radix-ui/react-tabs": "^1.1.0",
     "@radix-ui/react-toast": "^1.2.0",