fix(context-menu): update all checkbox call sites to reactive subscribe+getChecked

packages/web/src/components/layout/MobileSpacesScreen.tsx

@@ -492,12 +492,12 @@ export function MobileSpacesScreen() {
         items.push({ key: 'mod-end-sep', type: 'separator' });
       }
 
-      const isUserMuted = useVoiceStore.getState().participantMutes.get(userId) ?? false;
       items.push({
         key: 'mute-user',
         type: 'checkbox',
         label: 'Mute User',
-        checked: isUserMuted,
+        subscribe: useVoiceStore.subscribe,
+        getChecked: () => useVoiceStore.getState().participantMutes.get(userId) ?? false,
         onChange: (checked) => useVoiceStore.getState().setParticipantMute(userId, checked),
       });
 

packages/web/src/components/layout/MobileVoiceFullScreen.tsx

@@ -123,12 +123,12 @@ export function MobileVoiceFullScreen() {
     }
 
     // Local mute checkbox
-    const isUserMuted = useVoiceStore.getState().participantMutes.get(userId) ?? false;
     items.push({
       key: 'mute-user',
       type: 'checkbox',
       label: 'Mute User',
-      checked: isUserMuted,
+      subscribe: useVoiceStore.subscribe,
+      getChecked: () => useVoiceStore.getState().participantMutes.get(userId) ?? false,
       onChange: (checked) => useVoiceStore.getState().setParticipantMute(userId, checked),
     });