feat: add detail to update ticket API

backend/main.py

@@ -116,10 +116,12 @@ async def update_flow_ticket(body: dict = Body(...)):
     ticket_id = body.get("id")
     status = body.get("status")
     message = body.get("message")
+    detail = body.get("detail")
     for t in FAKE_TICKETS:
         if t["id"] == ticket_id:
             t["status"] = status
             t["message"] = message
+            t["detail"] = detail
             return t
     raise HTTPException(status_code=404, detail="Ticket not found")