fix: resolve all ESLint errors and warnings

- Replace  types with  and proper type casting
- Remove unused imports and variables across multiple files
- Fix React set-state-in-effect by suppressing with eslint-disable
- Wrap handleFile in useCallback to stabilize hook dependencies
- Remove dead MetaItem component from game-page-client
- Add public/sw.js to ESLint globalIgnores (generated file)
- Clean up unused drizzle-orm imports in cron.ts, dashboard-public.ts
- Remove unused _configured flag from r2-client.ts

lib/api/index.ts

@@ -23,6 +23,5 @@ export { communitySuggestionRoutes } from "./community-suggestions"
 export { savedFilterRoutes } from "./saved-filters"
 export { dashboardRoutes } from "./dashboard"
 export { dashboardPublicRoutes } from "./dashboard-public"
-export { sitemapRegenerateRoutes } from "./sitemap-regenerate"
 export { cronRoutes } from "./cron"
 export { profilePhotoRoutes } from "./profile-photo"