add status to workflow

temporal/workflow.py

@@ -7,9 +7,17 @@ from temporal.activity import calculate_plant_eaf_activity, execute_simulation_a
 
 @workflow.defn
 class SimulationWorkflow:
+    status = "PENDING"
+
+    @workflow.query
+    def get_status(self) -> str:
+        return self.status
+    
     @workflow.run
     async def run(self, sim_data: dict) -> str:
-        # 1. Update equipment
+        self.status = "RUNNING"
+        
+        # 1. Update equipment for simulation
         results = await workflow.execute_activity(
             update_equipment_for_simulation_activity,
             {**sim_data},  # ✅ one positional argument
@@ -36,5 +44,6 @@ class SimulationWorkflow:
             start_to_close_timeout=timedelta(days=1)
         )
 
+        self.status = "COMPLETED"
         # etc…
         return sim_data["HubCnnId"]  # simulation_id