feat: 详细日志(分页/映射/批次进度)+ Artifacts 摘要(sync-summary/verify-report)

flows/shared/db.py

@@ -111,6 +111,7 @@ class SyncDB:
             "goodsUpdated": 0, "goodsRemoved": 0, "ordersDeleted": 0,
         }
         if not orders and not goods and not delete_order_nos:
+            print("[DB sync] 无数据可写入,跳过")
             return result
 
         conn = self._conn()
@@ -163,12 +164,18 @@ class SyncDB:
             for g in goods_dedup:
                 goods_by_order.setdefault(g.orderNo, []).append(g)
 
+            print(f"[DB sync] 准备写入: {len(orders_dedup)} 订单 / {len(goods_dedup)} 商品"
+                  + (f" (系统={system_name})" if system_name else ""))
+
             # 3. 分批 upsert orders + 关联 goods
+            total_order_batches = -(-len(orders_dedup) // ORDER_CHUNK)
             for i in range(0, len(orders_dedup), ORDER_CHUNK):
                 chunk = orders_dedup[i : i + ORDER_CHUNK]
                 related: list[GoodsUpsertInput] = []
                 for o in chunk:
                     related.extend(goods_by_order.get(o.orderNo, []))
+                batch_no = i // ORDER_CHUNK + 1
+                print(f"[DB sync] 订单批次 {batch_no}/{total_order_batches}: {len(chunk)} 订单 / {len(related)} 商品")
                 stats = self._upsert_order_batch(conn, chunk, related, system_name)
                 for k, v in stats.items():
                     result[k] += v
@@ -199,6 +206,7 @@ class SyncDB:
             raise
         finally:
             conn.close()
+        print(f"[DB sync] 写入完成: {result}")
         return result
 
     def _upsert_order_batch(