feat: 规范标准时间字段 created_at/updated_at（Unix 秒级、元数据、trigger）

scripts/db/task_logs_repository.py

@@ -9,7 +9,6 @@ from __future__ import annotations
 from typing import Any, List, Optional, Tuple
 
 from db.connection import get_conn, init_db
-from util.timeutil import now_unix
 
 
 def save_task_log(
@@ -22,17 +21,16 @@ def save_task_log(
     result_summary: Optional[str] = None,
 ) -> int:
     init_db()
-    now = now_unix()
     conn = get_conn()
     try:
         cur = conn.cursor()
         cur.execute(
             """
             INSERT INTO task_logs
-                (task_type, target_id, input_id, input_title, status, error_msg, result_summary, created_at, updated_at)
-            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+                (task_type, target_id, input_id, input_title, status, error_msg, result_summary)
+            VALUES (?, ?, ?, ?, ?, ?, ?)
             """,
-            (task_type, target_id, input_id, input_title or "", status, error_msg, result_summary, now, now),
+            (task_type, target_id, input_id, input_title or "", status, error_msg, result_summary),
         )
         new_id = int(cur.lastrowid)
         conn.commit()