Enhance AppLauncherOverlay and navigation logic for improved user experience

- Added functionality to close the overlay and return focus to the launcher when the Escape key is pressed inside an iframe.
- Implemented message handling to close the app launcher from the parent window.
- Updated navigation logic in useControllerNav to improve focus management when navigating between sidebar and main content.
- Enhanced Dashboard and Settings views with data attributes for better controller navigation support.

neode-ui/src/components/AppLauncherOverlay.vue

@@ -101,6 +101,13 @@ function injectScrollbarHideIfSameOrigin() {
       *::-webkit-scrollbar { display: none; }
     `
     doc.head.appendChild(style)
+    // Escape from inside iframe → close overlay and return focus to launcher
+    doc.addEventListener('keydown', (e) => {
+      if ((e as KeyboardEvent).key === 'Escape') {
+        e.preventDefault()
+        window.parent.postMessage({ type: 'app-launcher-escape' }, '*')
+      }
+    })
   } catch {
     /* Cross-origin: cannot access iframe document */
   }
@@ -120,6 +127,12 @@ function onKeyDown(e: KeyboardEvent) {
   }
 }
 
+function onMessage(e: MessageEvent) {
+  if (e.data?.type === 'app-launcher-escape' && store.isOpen) {
+    store.close()
+  }
+}
+
 watch(
   () => store.isOpen,
   (open) => {
@@ -133,10 +146,12 @@ watch(
 
 onMounted(() => {
   window.addEventListener('keydown', onKeyDown, true)
+  window.addEventListener('message', onMessage)
 })
 
 onBeforeUnmount(() => {
   window.removeEventListener('keydown', onKeyDown, true)
+  window.removeEventListener('message', onMessage)
 })
 </script>