Add function_id tracking and enable JSON mode for all AI functions

frontend/src/pages/Planner/Keywords.tsx

@@ -395,7 +395,7 @@ export default function Keywords() {
             }]);
             // Async task - open progress modal
             hasReloadedRef.current = false;
-            progressModal.openModal(result.task_id, 'Auto-Clustering Keywords');
+            progressModal.openModal(result.task_id, 'Auto-Clustering Keywords', 'ai-auto-cluster-01');
             // Don't show toast - progress modal will show status
           } else {
             // Log success with results
@@ -870,6 +870,7 @@ export default function Keywords() {
         message={progressModal.progress.message}
         details={progressModal.progress.details}
         taskId={progressModal.taskId || undefined}
+        functionId={progressModal.functionId}
         onClose={() => {
           progressModal.closeModal();
           // Reload once when modal closes if task was completed