feat: add companion API and Android APK shell

apps/mobile/src/app/App.tsx

@@ -1,22 +1,22 @@
 import { type ReactNode, useState } from 'react';
 import { AppShell } from '../components/app-shell/AppShell.js';
 import { ActivityScreen } from '../screens/ActivityScreen/ActivityScreen.js';
-import { AskScreen } from '../screens/AskScreen/AskScreen.js';
-import { CronScreen } from '../screens/CronScreen/CronScreen.js';
+import { ChatScreen } from '../screens/AskScreen/ChatScreen.js';
 import { FilesScreen } from '../screens/FilesScreen/FilesScreen.js';
 import { SettingsScreen } from '../screens/SettingsScreen/SettingsScreen.js';
+import { TerminalScreen } from '../screens/TerminalScreen/TerminalScreen.js';
 import type { ScreenId } from './navigation.js';
 
-const screens: Record<ScreenId, ReactNode> = {
-  ask: <AskScreen />,
-  activity: <ActivityScreen />,
-  cron: <CronScreen />,
-  files: <FilesScreen />,
-  settings: <SettingsScreen />,
-};
-
 export function App() {
-  const [activeScreen, setActiveScreen] = useState<ScreenId>('ask');
+  const [activeScreen, setActiveScreen] = useState<ScreenId>('chat');
+
+  const screens: Record<ScreenId, ReactNode> = {
+    chat: <ChatScreen />,
+    files: <FilesScreen />,
+    terminal: <TerminalScreen />,
+    activity: <ActivityScreen />,
+    settings: <SettingsScreen />,
+  };
 
   return (
     <AppShell activeScreen={activeScreen} onNavigate={setActiveScreen}>

apps/mobile/src/app/navigation.ts

@@ -1,10 +1,10 @@
-import { Activity, CalendarClock, Files, MessageCircle, Settings } from 'lucide-react';
+import { Activity, Files, MessageCircle, Settings, TerminalSquare } from 'lucide-react';
 
 export const navItems = [
-  { id: 'ask', label: 'Ask', icon: MessageCircle },
-  { id: 'activity', label: 'Activity', icon: Activity },
-  { id: 'cron', label: 'Cron', icon: CalendarClock },
+  { id: 'chat', label: 'Chat', icon: MessageCircle },
   { id: 'files', label: 'Files', icon: Files },
+  { id: 'terminal', label: 'Terminal', icon: TerminalSquare },
+  { id: 'activity', label: 'Status', icon: Activity },
   { id: 'settings', label: 'Settings', icon: Settings },
 ] as const;