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/design-system/AdminPagination.tsx

@@ -17,7 +17,7 @@ export default function AdminPagination({
 
   return (
     <div className={`flex items-center justify-center gap-2 ${className}`}>
-      <button
+      <button type="button"
         onClick={() => onPageChange(currentPage - 1)}
         disabled={currentPage === 0}
         className="flex h-8 w-8 items-center justify-center rounded-lg border border-[var(--admin-border)] text-[var(--admin-text-muted)] hover:text-[var(--admin-text-secondary)] hover:bg-[var(--admin-bg-subtle)] disabled:opacity-30 disabled:cursor-not-allowed transition-all duration-150"
@@ -50,7 +50,7 @@ export default function AdminPagination({
           }
 
           return (
-            <button
+            <button type="button"
               key={page}
               onClick={() => onPageChange(page)}
               className={`flex h-8 min-w-[2rem] items-center justify-center rounded-lg text-sm font-medium transition-all duration-150 ${
@@ -65,7 +65,7 @@ export default function AdminPagination({
         })}
       </div>
 
-      <button
+      <button type="button"
         onClick={() => onPageChange(currentPage + 1)}
         disabled={currentPage >= totalPages - 1}
         className="flex h-8 w-8 items-center justify-center rounded-lg border border-[var(--admin-border)] text-[var(--admin-text-muted)] hover:text-[var(--admin-text-secondary)] hover:bg-[var(--admin-bg-subtle)] disabled:opacity-30 disabled:cursor-not-allowed transition-all duration-150"
@@ -98,7 +98,7 @@ export function AdminSimplePagination({
         Page {page + 1} of {totalPages}
       </span>
       <div className="flex items-center gap-2">
-        <button
+        <button type="button"
           onClick={() => onPageChange(page - 1)}
           disabled={page === 0}
           className="flex h-7 w-7 items-center justify-center rounded border border-[var(--admin-border)] text-[var(--admin-text-muted)] hover:text-[var(--admin-text-secondary)] hover:bg-[var(--admin-bg-subtle)] disabled:opacity-30 disabled:cursor-not-allowed transition-colors"
@@ -107,7 +107,7 @@ export function AdminSimplePagination({
             <path strokeLinecap="round" strokeLinejoin="round" d="M15 19l-7-7 7-7" />
           </svg>
         </button>
-        <button
+        <button type="button"
           onClick={() => onPageChange(page + 1)}
           disabled={page >= totalPages - 1}
           className="flex h-7 w-7 items-center justify-center rounded border border-[var(--admin-border)] text-[var(--admin-text-muted)] hover:text-[var(--admin-text-secondary)] hover:bg-[var(--admin-bg-subtle)] disabled:opacity-30 disabled:cursor-not-allowed transition-colors"