Add CLI popup and integrate with Spotlight Search for enhanced user interaction

- Introduced a new CLI popup component accessible via keyboard shortcuts (Cmd+Shift+` / Ctrl+Shift+`).
- Updated SpotlightSearch component to include CLI option in search results, allowing users to open the CLI directly.
- Added CLI entry in helpTree for improved discoverability of the CLI feature.
- Enhanced Dashboard.vue with an App Switcher for better navigation and user experience.

neode-ui/src/App.vue

@@ -9,6 +9,9 @@
     <!-- Spotlight command palette (Cmd+K / Ctrl+K) -->
     <SpotlightSearch />
 
+    <!-- CLI popup (Cmd+Shift+` / Ctrl+Shift+`) -->
+    <CLIPopup />
+
     <!-- App launcher overlay (iframe popup) -->
     <AppLauncherOverlay />
 
@@ -59,11 +62,13 @@ import { useRouter, useRoute } from 'vue-router'
 import SplashScreen from './components/SplashScreen.vue'
 import PWAUpdatePrompt from './components/PWAUpdatePrompt.vue'
 import SpotlightSearch from './components/SpotlightSearch.vue'
+import CLIPopup from './components/CLIPopup.vue'
 import AppLauncherOverlay from './components/AppLauncherOverlay.vue'
 import Screensaver from './components/Screensaver.vue'
 import HelpGuideModal from './components/HelpGuideModal.vue'
 import { useControllerNav } from '@/composables/useControllerNav'
 import { useSpotlightStore } from '@/stores/spotlight'
+import { useCLIStore } from '@/stores/cli'
 import { useMessageToast } from '@/composables/useMessageToast'
 import { useAppStore } from '@/stores/app'
 import { useScreensaverStore } from '@/stores/screensaver'
@@ -71,6 +76,7 @@ import { useScreensaverStore } from '@/stores/screensaver'
 const router = useRouter()
 const screensaverStore = useScreensaverStore()
 const spotlightStore = useSpotlightStore()
+const cliStore = useCLIStore()
 const appStore = useAppStore()
 const messageToast = useMessageToast()
 const toastMessage = messageToast.toastMessage
@@ -108,6 +114,12 @@ function onKeyDown(e: KeyboardEvent) {
     spotlightStore.toggle()
     return
   }
+  // Cmd+Shift+` / Ctrl+Shift+` or plain C - CLI popup
+  if ((mod && e.shiftKey && e.key === '`') || ((e.key === 'c' || e.key === 'C') && !isInput)) {
+    e.preventDefault()
+    cliStore.toggle()
+    return
+  }
   // 's' key activates screensaver when authenticated (skip if typing in input)
   if (e.key === 's' || e.key === 'S') {
     const target = e.target as HTMLElement