Improve chat experience and begin search implementation

core/clients/transport.py

@@ -397,6 +397,12 @@ def get_link_qr(service: str, device_name: str):
         if cached:
             return cached
 
+        if service_key == "whatsapp":
+            raise RuntimeError(
+                "Neonize has not provided a pairing QR yet. "
+                "Ensure UR is running with WHATSAPP_ENABLED=true and retry."
+            )
+
         token = secrets.token_urlsafe(24)
         uri = f"gia://{service_key}/link?device={device}&token={token}"
         update_runtime_state(