feat: add Sheet component for bottom sheet UI with drag-to-dismiss and snap points

test: implement DialogStyleContext tests for preference management and style recommendations

test: create tests for useAutoSelection hook, including countdown and pause functionality

feat: implement useAutoSelection hook for enhanced auto-selection with sound notifications

feat: create Zustand store for managing issue submission wizard state

feat: add Zod validation schemas for issue-related API requests

feat: implement issue service for CRUD operations and validation handling

feat: define TypeScript types for issue submission and management

ccw/frontend/src/pages/SettingsPage.tsx

@@ -56,6 +56,7 @@ import {
   useUpgradeCcwInstallation,
 } from '@/hooks/useSystemSettings';
 import { RemoteNotificationSection } from '@/components/settings/RemoteNotificationSection';
+import { A2UIPreferencesSection } from '@/components/settings/A2UIPreferencesSection';
 
 // ========== File Path Input with Native File Picker ==========
 
@@ -1181,6 +1182,9 @@ export function SettingsPage() {
       {/* Response Language Settings */}
       <ResponseLanguageSection />
 
+      {/* A2UI Preferences */}
+      <A2UIPreferencesSection />
+
       {/* System Status */}
       <SystemStatusSection />