fix amend: set max_output_tokens to max(1048576) on LLM initialization to fix visualization generation

connections.py

@@ -41,7 +41,7 @@ def initialize_connections():
 
         # 3. Initialize the LLM
         genai.configure(api_key=config.GEMINI_API_KEY)
-        llm_model = genai.GenerativeModel('gemini-2.5-flash', generation_config=genai.types.GenerationConfig(temperature=0))
+        llm_model = genai.GenerativeModel('gemini-2.5-flash', generation_config=genai.types.GenerationConfig(temperature=0, max_output_tokens=1048576))
         print(f"✅ LLM Model '{llm_model.model_name}' initialized.")
 
         print("✅ System Initialized Successfully.")