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/room/reaction-viewer/ReactionViewer.tsx

@@ -41,7 +41,7 @@ export const ReactionViewer = as<'div', ReactionViewerProps>(
     const useAuthentication = useMediaAuthentication();
     const reactions = useRelations(
       relations,
-      useCallback((rel) => [...(rel.getSortedAnnotationsByKey() ?? [])], [])
+      useCallback((rel) => [...(rel.getSortedAnnotationsByKey() ?? [])], []),
     );
     const space = useSpaceOptionally();
     const openProfile = useOpenUserRoomProfile();
@@ -123,7 +123,7 @@ export const ReactionViewer = as<'div', ReactionViewerProps>(
                         'crop',
                         undefined,
                         false,
-                        useAuthentication
+                        useAuthentication,
                       )
                     : undefined;
 
@@ -138,7 +138,7 @@ export const ReactionViewer = as<'div', ReactionViewerProps>(
                           space?.roomId,
                           senderId,
                           getMouseEventCords(event.nativeEvent),
-                          'Bottom'
+                          'Bottom',
                         );
                       }}
                       before={
@@ -166,5 +166,5 @@ export const ReactionViewer = as<'div', ReactionViewerProps>(
         </Box>
       </Box>
     );
-  }
+  },
 );