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/ProductTableClient.tsx

@@ -52,7 +52,7 @@ export default function ProductTableClient({ products }: Props) {
     <>
       {/* Filter bar */}
       <div className="px-5 py-4 flex gap-3 flex-wrap items-center border-b border-stone-200">
-        <input
+        <input aria-label="Search Products..."
           type="search"
           placeholder="Search products..."
           value={search}
@@ -61,7 +61,7 @@ export default function ProductTableClient({ products }: Props) {
         />
         <div className="flex gap-1 rounded-lg border border-stone-200 bg-white p-1">
           {(["all", "active", "inactive"] as const).map((f) => (
-            <button
+            <button type="button"
               key={f}
               onClick={() => setStatusFilter(f)}
               className={`rounded-md px-3 py-1.5 text-xs font-medium transition-colors ${
@@ -81,7 +81,7 @@ export default function ProductTableClient({ products }: Props) {
       {deleteError && (
         <div className="mx-5 my-3 rounded-lg border border-red-200 bg-red-50 px-4 py-3 text-sm text-red-700">
           {deleteError}{" "}
-          <button onClick={() => setDeleteError(null)} className="underline hover:no-underline">
+          <button type="button" onClick={() => setDeleteError(null)} className="underline hover:no-underline">
             Dismiss
           </button>
         </div>
@@ -217,7 +217,7 @@ function ProductRowBase({
           >
             Edit
           </Link>
-          <button
+          <button type="button"
             onClick={(e) => {
               e.preventDefault();
               setOpenMenu(openMenu === product.id ? null : product.id);
@@ -236,7 +236,7 @@ function ProductRowBase({
                 onClick={() => { setOpenMenu(null); setConfirmDelete(null); }}
               />
               <div className="absolute right-0 top-full mt-1 z-20 w-44 rounded-xl bg-white border border-stone-200 shadow-xl overflow-hidden">
-                <button
+                <button type="button"
                   onClick={() => { setOpenMenu(null); setConfirmDelete(product.id); }}
                   className="w-full text-left px-4 py-2.5 text-sm text-red-600 hover:bg-red-50 transition-colors"
                 >
@@ -261,13 +261,13 @@ function ProductRowBase({
                   it will be hidden instead of deleted.
                 </p>
                 <div className="mt-4 flex gap-2">
-                  <button
+                  <button type="button"
                     onClick={() => { setConfirmDelete(null); setOpenMenu(null); }}
                     className="flex-1 rounded-lg border border-stone-200 bg-white px-3 py-2 text-xs font-medium text-stone-700 hover:bg-stone-50 transition-colors"
                   >
                     Cancel
                   </button>
-                  <button
+                  <button type="button"
                     onClick={() => handleDelete(product.id)}
                     disabled={deletingId === product.id}
                     className="flex-1 rounded-lg bg-red-600 hover:bg-red-500 px-3 py-2 text-xs font-medium text-white disabled:opacity-50 transition-colors shadow-sm"