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/pages/client/explore/Explore.tsx

@@ -45,7 +45,7 @@ export function AddServer() {
   const serverInputRef = useRef<HTMLInputElement>(null);
 
   const [exploreState] = useAsyncCallback(
-    useCallback((server: string) => mx.publicRooms({ server, limit: 1 }), [mx])
+    useCallback((server: string) => mx.publicRooms({ server, limit: 1 }), [mx]),
   );
 
   const getInputServer = (): string | undefined => {

src/app/pages/client/explore/Server.tsx

@@ -55,7 +55,7 @@ const useServerSearchParams = (searchParams: URLSearchParams): ExploreServerPath
       type: searchParams.get('type') ?? undefined,
       instance: searchParams.get('instance') ?? undefined,
     }),
-    [searchParams]
+    [searchParams],
   );
 
 type RoomTypeFilter = {
@@ -78,7 +78,7 @@ const useRoomTypeFilters = (): RoomTypeFilter[] =>
         value: 'null',
       },
     ],
-    []
+    [],
   );
 
 const FALLBACK_ROOMS_LIMIT = 24;
@@ -393,7 +393,7 @@ export function PublicRooms() {
           room_types: roomType !== undefined ? [roomType] : undefined,
         },
         third_party_instance_id: serverSearchParams.instance,
-      }
+      },
     );
   }, [mx, server, serverSearchParams]);