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/app/test/page.tsx

@@ -0,0 +1,21 @@
+import { supabase } from "@/lib/supabase";
+
+export const dynamic = "force-dynamic";
+
+export default async function TestPage() {
+  const { data, error } = await supabase
+    .from("brands")
+    .select("*");
+
+  return (
+    <main className="min-h-screen bg-slate-50 p-10">
+      <h1 className="text-3xl font-bold">
+        Supabase Test
+      </h1>
+
+      <pre className="mt-8 rounded-xl bg-black p-6 text-sm text-green-400">
+        {JSON.stringify({ data, error }, null, 2)}
+      </pre>
+    </main>
+  );
+}