fix: react-doctor control-has-associated-label 137→? (auto aria-labels)

Add aria-label to buttons (icon-only, pagination, action) and inputs
(placeholder-derived) via balanced-brace JSX parser. Files with complex
onClick expressions (deep brace nesting) skipped to avoid breakage.

src/components/admin/LocationsTab.tsx

@@ -206,7 +206,7 @@ export default function LocationsTab({ locations, brandId }: Props) {
       {deleteError && (
         <div className="mx-5 my-3 rounded-lg border border-[var(--admin-danger)]/30 bg-[var(--admin-danger)]/10 px-4 py-3 text-sm text-[var(--admin-danger)]">
           {deleteError}{" "}
-          <button type="button" onClick={() => setDeleteError(null)} className="underline hover:no-underline">
+          <button type="button" onClick={() => setDeleteError(null)} className="underline hover:no-underline" aria-label="Dismiss">
             Dismiss
           </button>
         </div>
@@ -334,7 +334,7 @@ export default function LocationsTab({ locations, brandId }: Props) {
                       onClick={() => setEditing(loc as LocationForEdit)}
                       className="rounded-lg p-1.5 text-[var(--admin-text-muted)] hover:text-[var(--admin-text-primary)] hover:bg-[var(--admin-bg-subtle)] transition-colors"
                       title="Edit venue"
-                    >
+                     aria-label="Edit venue">
                       <svg className="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
                         <path strokeLinecap="round" strokeLinejoin="round" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
                       </svg>
@@ -344,7 +344,7 @@ export default function LocationsTab({ locations, brandId }: Props) {
                       disabled={pendingDeleteId === loc.id}
                       className="rounded-lg p-1.5 text-[var(--admin-text-muted)] hover:text-red-600 hover:bg-red-50 transition-colors disabled:opacity-50"
                       title="Delete venue"
-                    >
+                     aria-label="Delete venue">
                       {pendingDeleteId === loc.id ? (
                         <svg className="h-4 w-4 animate-spin" fill="none" viewBox="0 0 24 24">
                           <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />