updated endpoints

app.py

@@ -238,9 +238,9 @@ def generate_model_from_images_and_upload(
         with open(temp_glb_path, "rb") as f:
             files = {"modelFile": (temp_glb_filename, f, "model/gltf-binary")}
             payload = {
-                "clientType": "playcanvas", 
-                "prompt": upload_prompt_name, 
-                "modelStage": "imagen_trellis_tpose" 
+                "clientType": "imagen",
+                "prompt": "imagen_generated_model",
+                "modelStage": "imagen_mesh"
             }
             print(f"Upload payload to Node.js: {payload}")
             response = requests.post(NODE_SERVER_UPLOAD_URL, files=files, data=payload, timeout=120)