refactor: replace direct workflow signaling with call_callback_ahm activity in workflow completion logic

temporal/workflow.py

@@ -69,26 +69,14 @@ class SimulationWorkflow:
 
 
         if sim_data.get("AhmJobId"):
-            job_id = sim_data["AhmJobId"]
+            await workflow.execute_activity(
-            sim_id = sim_data["HubCnnId"]
+                call_callback_ahm,
-            if "|" in job_id:
-                wf_id, sim_type = job_id.split("|", 1)
-            else:
-                wf_id = job_id
-                sim_type = "unknown"
-                
-            try:
-                handle = workflow.get_external_workflow_handle(wf_id)
-                await handle.signal(
-                    "rbd_simulation_completed",
                 {
-                        "sim_id": sim_id,
+                    "simulation_id": sim_data["HubCnnId"],
-                        "type": sim_type,
+                    "job_id": sim_data["AhmJobId"]
-                        "status": "completed"
+                },
-                    }
+                start_to_close_timeout=timedelta(days=1)
             )
-            except Exception as e:
-                workflow.logger.error(f"Failed to signal OpsDock: {e}")
 
         self.status = "COMPLETED"
         # etc…