♿(frontend) restore toolbar shortcuts inside PiP window

Forward PiP keydown events and register PiP-specific handlers.

src/frontend/src/features/pip/components/PipControlBar.tsx

@@ -1,6 +1,8 @@
 import { styled } from '@/styled-system/jsx'
-import { useRef, useMemo } from 'react'
+import { useRef, useMemo, useCallback } from 'react'
 import { useTranslation } from 'react-i18next'
+import { useRegisterKeyboardShortcut } from '@/features/shortcuts/useRegisterKeyboardShortcut'
+import { findFirstFocusable } from '@/utils/dom'
 import { AudioDevicesControl } from '@/features/rooms/livekit/components/controls/Device/AudioDevicesControl'
 import { VideoDeviceControl } from '@/features/rooms/livekit/components/controls/Device/VideoDeviceControl'
 import { ScreenShareToggle } from '@/features/rooms/livekit/components/controls/ScreenShareToggle'
@@ -64,6 +66,14 @@ export const PipControlBar = ({
     [width, showScreenShare]
   )
 
+  useRegisterKeyboardShortcut({
+    id: 'focus-toolbar',
+    handler: useCallback(() => {
+      const doc = containerRef.current?.ownerDocument ?? document
+      findFirstFocusable(doc.getElementById('pip-control-bar'))?.focus()
+    }, []),
+  })
+
   return (
     <PipControls
       ref={containerRef}

src/frontend/src/features/pip/components/PipReactionsToggle.tsx

@@ -1,16 +1,20 @@
+import { useCallback } from 'react'
 import { useTranslation } from 'react-i18next'
 import { RiEmotionLine } from '@remixicon/react'
 import { ToggleButton } from '@/primitives'
 import { useSnapshot } from 'valtio'
 import { pipLayoutStore } from '../stores/pipLayoutStore'
+import { useRegisterKeyboardShortcut } from '@/features/shortcuts/useRegisterKeyboardShortcut'
 
 export const PipReactionsToggle = () => {
   const { t } = useTranslation('rooms', { keyPrefix: 'controls.reactions' })
   const { showReactionsToolbar: isOpen } = useSnapshot(pipLayoutStore)
 
-  const toggle = () => {
+  const toggle = useCallback(() => {
     pipLayoutStore.showReactionsToolbar = !pipLayoutStore.showReactionsToolbar
-  }
+  }, [])
+
+  useRegisterKeyboardShortcut({ id: 'reaction', handler: toggle })
 
   return (
     <ToggleButton

src/frontend/src/features/pip/components/PipView.tsx

@@ -6,6 +6,7 @@ import { SidePanel } from '@/features/rooms/livekit/components/SidePanel'
 import { useSidePanel } from '@/features/rooms/livekit/hooks/useSidePanel'
 import { pipLayoutStore } from '../stores/pipLayoutStore'
 import { useEscapeDismiss } from '../hooks/useEscapeDismiss'
+import { usePipKeyboardShortcuts } from '../hooks/usePipKeyboardShortcuts'
 import { usePipRestoreFocus } from '../hooks/usePipRestoreFocus'
 import { PipControlBar } from './PipControlBar'
 import { PipReactionsToolbar } from './PipReactionsToolbar'
@@ -22,6 +23,9 @@ export const PipView = () => {
   // Escape closes the side panel instead of the whole PiP window.
   useEscapeDismiss(containerRef, isSidePanelOpen, closePanel)
 
+  // Forward keyboard shortcuts (Ctrl+D, Ctrl+E, etc.) to the main store.
+  usePipKeyboardShortcuts(containerRef)
+
   // Side panels open via a menu item that unmounts on click; fall back to the
   // options button so focus returns somewhere visible.
   const resolveTrigger = useCallback((activeEl: HTMLElement | null) => {

src/frontend/src/features/pip/hooks/usePipKeyboardShortcuts.ts

@@ -0,0 +1,45 @@
+import { useEffect, type RefObject } from 'react'
+import { keyboardShortcutsStore } from '@/stores/keyboardShortcuts'
+import { formatShortcutKey } from '@/features/shortcuts/utils'
+import { isMacintosh } from '@/utils/livekit'
+
+/**
+ * Mirror the main-window keyboard shortcuts inside the PiP document.
+ *
+ * The central `useKeyboardShortcuts` hook listens on `window`, which is the
+ * main document's window. Keydown events from the PiP document never reach
+ * it. This hook attaches the same dispatch logic to the PiP document so that
+ * Ctrl+D (mic), Ctrl+E (cam), etc. work identically in both contexts.
+ */
+export const usePipKeyboardShortcuts = (
+  containerRef: RefObject<HTMLElement | null>
+) => {
+  useEffect(() => {
+    const doc = containerRef.current?.ownerDocument
+    if (!doc || doc === document) return
+
+    const onKeyDown = (e: KeyboardEvent) => {
+      const { key, metaKey, ctrlKey, shiftKey, altKey } = e
+      if (!key) return
+
+      const shortcutKey = formatShortcutKey({
+        key,
+        ctrlKey: ctrlKey || (isMacintosh() && metaKey),
+        shiftKey,
+        altKey,
+      })
+
+      let handler = keyboardShortcutsStore.shortcuts.get(shortcutKey)
+      if (!handler && shortcutKey === 'ctrl+shift+?') {
+        handler = keyboardShortcutsStore.shortcuts.get('ctrl+shift+/')
+      }
+      if (!handler) return
+
+      e.preventDefault()
+      handler()
+    }
+
+    doc.addEventListener('keydown', onKeyDown)
+    return () => doc.removeEventListener('keydown', onKeyDown)
+  }, [containerRef])
+}