v1.0.11: 新增历史记录回填脚本 backfill.py(幂等, 支持指定任务), 补齐数据库功能上线前的爬取记录

db.py

@@ -262,3 +262,30 @@ def sync_run(run, persist):
         insert_results(run, results[synced:])
         run["_db_count"] = len(results)
         persist(run.get("task_id"), run)
+
+
+# ---------------- 历史数据回填 (幂等) ----------------
+
+def sync_all_history(task_ids=None):
+    """把本地 JSON 中的历史任务/运行/结果全量回填数据库
+    可重复执行 (INSERT IGNORE + 唯一键去重)
+    task_ids: 指定只回填的任务ID列表, 默认全部
+    返回统计 dict
+    """
+    import store as _store
+    stats = {"tasks": 0, "runs": 0, "results": 0}
+    for task in _store.load_tasks():
+        if task_ids and task["id"] not in task_ids:
+            continue
+        upsert_task(task)
+        stats["tasks"] += 1
+        for run in _store.get_runs(task["id"]):
+            upsert_run(run)
+            stats["runs"] += 1
+            results = run.get("results", [])
+            if results:
+                insert_results(run, results)
+                stats["results"] += len(results)
+                run["_db_count"] = len(results)
+                _store.save_run(task["id"], run)   # 记录已同步标记, 避免运行中重复插入
+    return stats