Update app.py

app.py

@@ -321,11 +321,11 @@ DEFAULT_MCP_SERVER_LABEL = "colpali_rag"
 # =============================
 
 def stream_agent(question: str,
-                 api_key: str,
-                 model_name: str,
-                 server_url: str,
-                 server_label: str,
-                 visual_reasoning: str):
+                 api_key: str = None,
+                 model_name: str = "gpt-5",
+                 server_url: str = "https://manu-test-deepsearch.hf.space/gradio_api/mcp/",
+                 server_label: str = "colpali_rag",
+                 visual_reasoning: str = "Visual Summary Reasoning"):
     """
     Multi-round streaming:
       • Seed: optional local ColPali search on the user question to attach initial pages.
@@ -345,6 +345,7 @@ def stream_agent(question: str,
     
     allowed_tools = "test_deepsearch_image_search"  if visual_reasoning else "test_deepsearch_search_synthetize"
     SYSTEM= SYSTEM1 if visual_reasoning else SYSTEM2
+    api_key = api_key_env if api_key is None else api_key
 
     if not api_key:
         yield "⚠️ **Please provide your OpenAI API key.**", "", ""