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/StopMessagingForm.tsx

@@ -94,7 +94,7 @@ export default function StopMessagingForm({
       </div>
 
       {!loaded ? (
-        <button
+        <button type="button"
           onClick={loadCustomers}
           disabled={loading}
           className="w-full rounded-xl border-2 border-dashed border-[var(--admin-border)] px-6 py-4 text-lg font-medium text-[var(--admin-text-secondary)] hover:border-[var(--admin-primary)] hover:text-[var(--admin-primary)] transition-colors disabled:opacity-50"
@@ -126,7 +126,7 @@ export default function StopMessagingForm({
             </label>
             <div className="flex gap-2">
               {(["sms", "email", "both"] as const).map((ch) => (
-                <button
+                <button type="button"
                   key={ch}
                   onClick={() => setChannel(ch)}
                   className={`flex-1 rounded-xl px-4 py-3 text-sm font-medium transition-colors ${
@@ -148,7 +148,7 @@ export default function StopMessagingForm({
             </label>
             <div className="flex flex-wrap gap-2">
               {quickMessages.map((qm) => (
-                <button
+                <button type="button"
                   key={qm.label}
                   onClick={() => applyQuickMessage(qm.value)}
                   className={`rounded-full px-3 py-1 text-sm font-medium transition-colors ${
@@ -168,7 +168,7 @@ export default function StopMessagingForm({
             <label className="ha-field-label mb-2">
               <span>Message</span>
             </label>
-            <textarea
+            <textarea aria-label="Type Your Message..."
               value={message}
               onChange={(e) => {
                 setMessage(e.target.value);