From da5a32d014114e75149e618ccfd9a37e31e96c5e Mon Sep 17 00:00:00 2001
From: Kunthawat Greethong <kunthawat@Kunthawats-MacBook-Pro.local>
Date: Fri, 26 Jun 2026 20:58:26 +0700
Subject: [PATCH] fix: add missing json import in simulation.py

---
 backend/app/api/simulation.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backend/app/api/simulation.py b/backend/app/api/simulation.py
index 7de5bed..3a91391 100644
--- a/backend/app/api/simulation.py
+++ b/backend/app/api/simulation.py
@@ -4,6 +4,7 @@ Step2: Zep实体读取与过滤、OASIS模拟准备与运行（全程自动化
 """
 
 import os
+import json
 import traceback
 from flask import request, jsonify, send_file