Upgrade oxlint and oxfmt (#3148)

Did this from the mobile app, which is fun. I saw
https://oxc.rs/blog/2026-03-11-oxlint-js-plugins-alpha.html and was
wondering if the React Hook Form linter plugin works now. The answer is
2/3 of the way. One rule still has to be disabled.

---------

Co-authored-by: Claude <noreply@anthropic.com>

Author: david-crespo

.oxlintrc.json

@@ -4,8 +4,11 @@
     {
       "name": "playwright",
       "specifier": "eslint-plugin-playwright"
+    },
+    {
+      "name": "react-hook-form",
+      "specifier": "eslint-plugin-react-hook-form"
     }
-    // eslint-plugin-react-hook-form won't work — all its rules use context.getScope()
   ],
   "plugins": [
     "import",
@@ -38,6 +41,9 @@
 
     "react-hooks/exhaustive-deps": ["error", { "additionalHooks": "useQuickActions" }],
     "react-hooks/rules-of-hooks": "error",
+    "react-hook-form/destructuring-formstate": "error",
+    // no-access-control uses context.getScope() which oxlint doesn't support
+    "react-hook-form/no-nested-object-setvalue": "error",
     "import/no-default-export": "error",
     "consistent-type-imports": "error",
 

app/ui/lib/Spinner.tsx

@@ -106,7 +106,7 @@ type Props = {
 /** Loading spinner that shows for a minimum of `minTime` */
 export const SpinnerLoader = ({ isLoading, children = null, minTime = 500 }: Props) => {
   const [isVisible, setIsVisible] = useState(isLoading)
-  const hideTimeout = useRef<NodeJS.Timeout | null>(null)
+  const hideTimeout = useRef<ReturnType<typeof setTimeout> | null>(null)
   const loadingStartTime = useRef<number>(0)
 
   useEffect(() => {