FIX handler for messenger BOT AO

pxy_meta_pages/webhook_handlers.py

@@ -180,3 +180,18 @@ def handle_message_event(page_id: str, sender_psid: str, message: dict):
     except Exception as e:
         logger.exception(f"handle_message_event crashed: {e}")
         return JsonResponse({"status": "error", "detail": str(e)}, status=200)
+    
+def handle_postback_event(page_id: str, sender_psid: str, postback: dict):
+    """
+    Minimal stub so views.py import succeeds.
+    Logs and immediately 200s. We'll upgrade it later to AI-reply if you want.
+    """
+    try:
+        payload = (postback or {}).get("payload")
+        title = (postback or {}).get("title")
+        logger.info(f"[HANDLER] postback page={page_id} psid={sender_psid} payload={payload!r} title={title!r}")
+        return JsonResponse({"status": "postback_handled", "payload": payload}, status=200)
+    except Exception as e:
+        logger.exception(f"postback handler failed: {e}")
+        return JsonResponse({"status": "error", "detail": str(e)}, status=200)
+