fix

backend/store.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
-"""数据库存储：客户档案、定时问候、商品标签、推送群组/任务、同步消息、模型、AI 回复配置。使用 SQLite，便于增删改查。"""
+"""数据库存储：客户档案、定时问候、商品标签、推送群组/任务、同步消息、回调原始日志、模型、AI 回复配置。使用 SQLite，便于增删改查。"""
+import datetime
 import json
 import threading
 import time
@@ -403,6 +404,32 @@ def append_sent_message(key: str, to_user_name: str, content: str) -> None:
     append_sync_messages(key, [{"direction": "out", "ToUserName": to_user_name, "Content": content, "CreateTime": int(time.time())}])
 
 
+def append_callback_log(key: str, raw_body: dict, max_raw_len: int = 51200) -> None:
+    """将 7006 回调的原始 body 落库，便于回溯与统计。raw_body 序列化后截断，避免单条过大。"""
+    received_at = datetime.datetime.utcnow().isoformat() + "Z"
+    raw_str = json.dumps(raw_body, ensure_ascii=False)
+    if len(raw_str) > max_raw_len:
+        raw_str = raw_str[:max_raw_len] + "...[truncated]"
+    with _LOCK:
+        conn = _conn()
+        try:
+            conn.execute(
+                "INSERT INTO callback_log (key, received_at, raw_body) VALUES (?,?,?)",
+                (key, received_at, raw_str),
+            )
+            conn.commit()
+            # 每个 key 仅保留最近 2000 条原始回调
+            cur = conn.execute("SELECT id FROM callback_log WHERE key = ? ORDER BY id DESC", (key,))
+            rows = cur.fetchall()
+            if len(rows) > 2000:
+                to_del = [r["id"] for r in rows[2000:]]
+                placeholders = ",".join("?" * len(to_del))
+                conn.execute(f"DELETE FROM callback_log WHERE id IN ({placeholders})", to_del)
+                conn.commit()
+        finally:
+            conn.close()
+
+
 # ---------- 模型 ----------
 def list_models() -> List[Dict]:
     with _LOCK: