tool type changed

main.py

@@ -192,7 +192,8 @@ async def process_analysis_request(request: Request):
 
                 for step_data in plan_steps:
                     # Use the final, robust worker logic from our last iteration
-                    tool_name = step_data.get("tool_name", step_data.get("tool", step_data.get("action", step_data.get("name"))))
+                    tool_name = step_data.get("tool_name", step_data.get("tool", step_data.get("action", step_data.get("name",step_data.get("step_type"))))
+
                     if not tool_name: raise ValueError("Plan step is missing a 'tool' or 'action' key.")
                     
                     tool_function = AVAILABLE_TOOLS.get(tool_name)