Simplify test endpoint - only requires phone number parameter

backend/main.py

@@ -1987,35 +1987,28 @@ async def import_contacts(
 @app.post("/api/test/whatsapp/send")
 async def test_whatsapp_send(
     phone: str,
-    template_key: str = "wedding_invitation_by_vered",
     db: Session = Depends(get_db)
 ):
     """
-    Test endpoint to send a WhatsApp message.
+    Simple test endpoint to send a WhatsApp message with minimal parameters.
+    Only requires phone number - useful for testing API connectivity.
     
     Example:
-    POST /api/test/whatsapp/send?phone=0504370045&template_key=wedding_invitation_by_vered
+    POST /api/test/whatsapp/send?phone=0504370045
     """
     try:
-        logger.info(f"[TEST] Attempting to send WhatsApp to {phone} using template {template_key}")
+        logger.info(f"[TEST] Attempting to send test WhatsApp to {phone}")
         
         service = get_whatsapp_service(db)
         
-        # Test parameters
+        # Send with only contact_name - minimal test
         params = {
-            "contact_name": "דוד",
-            "event_date": "17/05",
-            "event_date_day": "17",
-            "venue": "אולם הגן",
-            "location": "ירושלים",
-            "reception_time": "18:30",
-            "ceremony_time": "19:00",
-            "dinner_time": "20:00",
-            "bride_name": "ורד",
-            "groom_name": "דביר",
-            "event_id": "test-event-id-12345"
+            "contact_name": "Test"
         }
         
+        # Use wedding_invitation_by_vered template (only requires contact_name)
+        template_key = "wedding_invitation_by_vered"
+        
         result = await service.send_by_template_key(
             template_key=template_key,
             to_phone=phone,