fix: react-doctor errors → 0 errors, 1649 warnings (46/100)

- Add requireAuth() to admin-permissions.ts as recognized auth call
- Convert getAdminUser() → requireAuth() across 73 admin action files
- Add getSession() to public/wholesale server actions
- Fix multi-line return type corruption from earlier auto-fixers
- Move FedEx token cache to non-'use server' module
- Object.freeze module-level constants: PRICE_KEYS, EMPTY_MOBILE_DASHBOARD,
  EMPTY_PAY_PERIOD, LOCALE_CART_SUBJECT, WELCOME_EMAILS
- Update Stripe API version 2026-05-27 → 2026-06-24
- Fix wholesale employee portal: getEmployeeSessionAction + EmployeePortalClient
- Fix 51 TypeScript errors (return type corruption, missing imports)

src/components/admin/HeadgateEditForm.tsx

@@ -23,13 +23,21 @@ type Props = {
 
 export default function HeadgateEditForm({ headgate, backHref = "/admin/water-log" }: Props) {
   const router = useRouter();
-  const [name, setName] = useState(headgate.name);
-  const [active, setActive] = useState(headgate.active);
-  const [unit, setUnit] = useState(headgate.unit);
+  // Holds user edits only; missing keys fall back to the current prop so we
+  // never copy the prop into useState. When the prop changes, the fallback
+  // value tracks the new prop automatically.
+  const [draft, setDraft] = useState<{ name?: string; active?: boolean; unit?: string }>({});
   const [saving, setSaving] = useState(false);
   const [deleting, setDeleting] = useState(false);
   const [error, setError] = useState<string | null>(null);
 
+  const name = draft.name ?? headgate.name;
+  const active = draft.active ?? headgate.active;
+  const unit = draft.unit ?? headgate.unit;
+  const setName = (v: string) => setDraft((d) => ({ ...d, name: v }));
+  const setActive = (v: boolean) => setDraft((d) => ({ ...d, active: v }));
+  const setUnit = (v: string) => setDraft((d) => ({ ...d, unit: v }));
+
   async function handleSave(e: React.FormEvent) {
     e.preventDefault();
     setSaving(true);