modify prompt to use webdownloadertool only to fetch attachments

app.py

@@ -132,15 +132,14 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
     print(f"Using OpenAI API key: {openai_api_key[:4]}... (truncated for security)")
 
     #NMODEL
-    '''
     llm_client = ChatGoogleGenerativeAI(
     model="gemini-2.0-flash",           # or another Gemini model name
     google_api_key=google_api_key, # your Gemini API key
     temperature=0,
     )
-    '''
     
-    llm_client = ChatOpenAI(model='gpt-4o',temperature=0.1,api_key=openai_api_key)
+    
+    #llm_client = ChatOpenAI(model='gpt-4o',temperature=0.1,api_key=openai_api_key)
 
     tavily_api_key = os.getenv("TAVILY_API_KEY")
     if not tavily_api_key:
@@ -170,6 +169,8 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
     Action Input: [input_for_the_tool]
     Observation: [result_from_the_tool]
 
+    NOTE: use web_downloader_limited tool ONLY if the input has text: "Attachment '{file_name}' available at: {attachment_url}", otherwise use the tavily_search tool.
+
     If you have sufficient information and can provide a concise response, or if no tool is needed, you MUST use this precise format:
 
     Thought: I have enough information, or no tool is needed.
@@ -211,17 +212,17 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
     # Initialize gemini model with streaming enabled
     # Streaming allows tokens to be processed in real-time, reducing response latency.
     #NMODEL
-    '''
+    
     summary_llm = ChatGoogleGenerativeAI(
         model="gemini-2.0-flash",           # or another Gemini model name
         google_api_key=google_api_key, # your Gemini API key
         temperature=0,
         streaming=True
     )
-    '''
+    
 
 
-    summary_llm = ChatOpenAI(model='gpt-4o', temperature=0, streaming=True,api_key=openai_api_key)
+    #summary_llm = ChatOpenAI(model='gpt-4o', temperature=0, streaming=True,api_key=openai_api_key)
 
 
     # Create a ReAct agent