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/admin/settings/integrations/IntegrationsClientPage.tsx

@@ -352,7 +352,13 @@ function IntegrationCard({
 }
 
 export default function IntegrationsClientPage({ brandId, brands, isPlatformAdmin }: Props) {
-  const [selectedBrandId, setSelectedBrandId] = useState(brandId);
+  // `selectedBrandId` is the platform admin's explicit brand selection. The
+  // initial value is not derived from a prop so the value stays in sync with
+  // the server-truth `brandId` once a user makes a choice: we always render
+  // off `effectiveBrandId = selectedBrandId || brandId`, so any change to
+  // `brandId` (e.g., route nav) is reflected until the user picks another.
+  const [selectedBrandId, setSelectedBrandId] = useState<string>("");
+  const effectiveBrandId = selectedBrandId || brandId;
   const [initialCredentials, setInitialCredentials] = useState<Record<string, Record<string, string>>>({});
   const [loading, setLoading] = useState(true);
 
@@ -362,8 +368,8 @@ export default function IntegrationsClientPage({ brandId, brands, isPlatformAdmi
       setLoading(true);
       try {
         const [resendCreds, twilioCreds] = await Promise.all([
-          getResendCredentials(selectedBrandId),
-          getTwilioCredentials(selectedBrandId),
+          getResendCredentials(effectiveBrandId),
+          getTwilioCredentials(effectiveBrandId),
         ]);
 
         setInitialCredentials({
@@ -383,7 +389,7 @@ export default function IntegrationsClientPage({ brandId, brands, isPlatformAdmi
       }
     }
     fetchCredentials();
-  }, [selectedBrandId]);
+  }, [effectiveBrandId]);
 
   return (
     <div className="space-y-8 max-w-4xl">
@@ -392,7 +398,7 @@ export default function IntegrationsClientPage({ brandId, brands, isPlatformAdmi
         <div className="rounded-2xl bg-white border border-[var(--admin-border)] p-5">
           <AdminInput label="Select Brand" helpText="Choose a brand to configure integrations for:">
             <AdminSelect
-              value={selectedBrandId}
+              value={effectiveBrandId}
               onChange={(e) => setSelectedBrandId(e.target.value)}
               options={brands.map((b) => ({ value: b.id, label: b.name }))}
             />
@@ -421,7 +427,7 @@ export default function IntegrationsClientPage({ brandId, brands, isPlatformAdmi
           </a>
         </div>
         <div className="p-5">
-          <AIProviderPanel brandId={selectedBrandId} />
+          <AIProviderPanel brandId={effectiveBrandId} />
         </div>
       </div>
 
@@ -442,7 +448,7 @@ export default function IntegrationsClientPage({ brandId, brands, isPlatformAdmi
                 key={integration.id}
                 integration={integration}
                 initialCredentials={initialCredentials[integration.id]}
-                brandId={selectedBrandId}
+                brandId={effectiveBrandId}
               />
             ))
           )}