feat(command-bar): match priority highlight colors to UI

Priority keywords now show their actual UI colors:
- Dringend (urgent): red #ef4444
- Wichtig (high): orange #f97316
- Normal (medium): yellow #eab308
- Später (low): green #22c55e

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/shared-theme/src/index.ts

@@ -117,4 +117,12 @@ export {
 
 // App Routes
 export type { AppRoute, AppRouteConfig } from './app-routes';
-export { APP_ROUTES, getStartPage, getAvailableRoutes, getDefaultRoute } from './app-routes';
+export {
+	APP_ROUTES,
+	getStartPage,
+	getAvailableRoutes,
+	getDefaultRoute,
+	filterHiddenNavItems,
+	getHideableRoutes,
+	isRouteHidden,
+} from './app-routes';