fix(usage): guard service health tooltip anchor

src/components/usage/ServiceHealthCard.tsx

@@ -83,7 +83,11 @@ export function ServiceHealthCard({ usage, loading }: ServiceHealthCardProps) {
   }, [activeTooltip]);
 
   const buildTooltipState = useCallback(
-    (idx: number, anchorEl: HTMLDivElement): ActiveTooltipState => {
+    (idx: number, anchorEl: HTMLDivElement | null): ActiveTooltipState | null => {
+      if (!anchorEl || !anchorEl.isConnected) {
+        return null;
+      }
+
       const rect = anchorEl.getBoundingClientRect();
       const centerX = rect.left + rect.width / 2;
 
@@ -161,9 +165,8 @@ export function ServiceHealthCard({ usage, loading }: ServiceHealthCardProps) {
     (e: React.PointerEvent<HTMLDivElement>, idx: number) => {
       if (e.pointerType === 'touch') {
         e.preventDefault();
-        setActiveTooltip((prev) =>
-          prev?.idx === idx ? null : buildTooltipState(idx, e.currentTarget)
-        );
+        const anchorEl = e.currentTarget;
+        setActiveTooltip((prev) => (prev?.idx === idx ? null : buildTooltipState(idx, anchorEl)));
       }
     },
     [buildTooltipState]

src/features/authFiles/uiState.ts

@@ -21,13 +21,23 @@ const AUTH_FILES_SORT_MODE_SET = new Set<AuthFilesSortMode>(AUTH_FILES_SORT_MODE
 export const isAuthFilesSortMode = (value: unknown): value is AuthFilesSortMode =>
   typeof value === 'string' && AUTH_FILES_SORT_MODE_SET.has(value as AuthFilesSortMode);
 
+const readAuthFilesUiStateFromStorage = (
+  storage: Pick<Storage, 'getItem'> | null | undefined
+): AuthFilesUiState | null => {
+  if (!storage) return null;
+  const raw = storage.getItem(AUTH_FILES_UI_STATE_KEY);
+  if (!raw) return null;
+  const parsed = JSON.parse(raw) as AuthFilesUiState;
+  return parsed && typeof parsed === 'object' ? parsed : null;
+};
+
 export const readAuthFilesUiState = (): AuthFilesUiState | null => {
   if (typeof window === 'undefined') return null;
   try {
-    const raw = window.sessionStorage.getItem(AUTH_FILES_UI_STATE_KEY);
-    if (!raw) return null;
-    const parsed = JSON.parse(raw) as AuthFilesUiState;
-    return parsed && typeof parsed === 'object' ? parsed : null;
+    return (
+      readAuthFilesUiStateFromStorage(window.localStorage) ??
+      readAuthFilesUiStateFromStorage(window.sessionStorage)
+    );
   } catch {
     return null;
   }
@@ -36,7 +46,12 @@ export const readAuthFilesUiState = (): AuthFilesUiState | null => {
 export const writeAuthFilesUiState = (state: AuthFilesUiState) => {
   if (typeof window === 'undefined') return;
   try {
-    window.sessionStorage.setItem(AUTH_FILES_UI_STATE_KEY, JSON.stringify(state));
+    window.localStorage.setItem(AUTH_FILES_UI_STATE_KEY, JSON.stringify(state));
+  } catch {
+    // ignore
+  }
+  try {
+    window.sessionStorage.removeItem(AUTH_FILES_UI_STATE_KEY);
   } catch {
     // ignore
   }