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/state/list.ts

@@ -25,7 +25,7 @@ export const createListAtom = <T>() => {
       if (action.type === 'DELETE') {
         set(
           baseListAtom,
-          items.filter((item) => !newItems.includes(item))
+          items.filter((item) => !newItems.includes(item)),
         );
         return;
       }
@@ -36,10 +36,10 @@ export const createListAtom = <T>() => {
       if (action.type === 'REPLACE') {
         set(
           baseListAtom,
-          items.map((item) => (item === action.item ? action.replacement : item))
+          items.map((item) => (item === action.item ? action.replacement : item)),
         );
       }
-    }
+    },
   );
 };
 export type TListAtom<T> = ReturnType<typeof createListAtom<T>>;