fix: usa sempre agente semplice per Ollama

- Rimuovi condizione len(custom_tools) > 0
- Ora usa simple agent per qualsiasi config con provider=ollama

main.py

@@ -424,11 +424,9 @@ def create_langcode_agent(system_prompt: Optional[str] = None, use_simple_agent:
             config = config_manager.get_configuration(active_name)
             if config and config.get("provider") == "ollama":
                 # Ollama doesn't fully support bind_tools in deepagents
-                # Check if we have tools - if so, use simple agent
-                custom_tools = get_custom_tools()
-                if len(custom_tools) > 0:
-                    print("⚠️  Using simple chat agent (Ollama detected without full tool support)")
-                    use_simple_agent = True
+                # Always use simple agent for Ollama
+                print("⚠️  Using simple chat agent (Ollama detected)")
+                use_simple_agent = True
     
     if use_simple_agent:
         return create_simple_agent(system_prompt)