feat(command-palette): add global Cmd+K palette with v1 actions

src/components/app/AppContent.tsx

@@ -1,8 +1,10 @@
 import { useEffect, useRef } from 'react';
 import { useNavigate, useParams } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
+
 import Sidebar from '../sidebar/view/Sidebar';
 import MainContent from '../main-content/view/MainContent';
+import CommandPalette from '../command-palette/CommandPalette';
 import { useWebSocket } from '../../contexts/WebSocketContext';
 import { useDeviceSettings } from '../../hooks/useDeviceSettings';
 import { useSessionProtection } from '../../hooks/useSessionProtection';
@@ -40,6 +42,7 @@ export default function AppContent() {
     openSettings,
     refreshProjectsSilently,
     sidebarSharedProps,
+    handleNewSession,
   } = useProjectsState({
     sessionId,
     navigate,
@@ -202,6 +205,11 @@ export default function AppContent() {
         />
       </div>
 
+      <CommandPalette
+        selectedProject={selectedProject}
+        onStartNewChat={handleNewSession}
+        onOpenSettings={() => openSettings()}
+      />
     </div>
   );
 }