chore: upgrade i18next 26, prettier 3, fontsource-variable, domhandler 6, lint-staged 17

- i18next 23->26 + react-i18next 15->17
- prettier 2->3, reformat all files
- replace @fontsource/inter with @fontsource-variable/inter 5, update import path
- domhandler 5->6 (aligns with transitive deps)
- lint-staged 16->17

src/app/features/call/CallControls.tsx

@@ -46,11 +46,11 @@ export function CallControls({ callEmbed }: CallControlsProps) {
       if (!element) return;
       setCompact(element.clientWidth < 500);
     }, []),
-    useCallback(() => controlRef.current, [])
+    useCallback(() => controlRef.current, []),
   );
 
   const { microphone, video, sound, screenshare, spotlight } = useCallControlState(
-    callEmbed.control
+    callEmbed.control,
   );
 
   const [cords, setCords] = useState<RectCords>();
@@ -172,7 +172,7 @@ export function CallControls({ callEmbed }: CallControlsProps) {
   }, [pttMode, pttKey, callEmbed]);
 
   const [hangupState, hangup] = useAsyncCallback(
-    useCallback(() => callEmbed.hangup(), [callEmbed])
+    useCallback(() => callEmbed.hangup(), [callEmbed]),
   );
   const exiting =
     hangupState.status === AsyncStatus.Loading || hangupState.status === AsyncStatus.Success;