tweak: 移除文件内部去重，允许一次委托分多次成交

app/services/trade_parser.py

@@ -311,7 +311,6 @@ def save_to_db(
     existing_keys = _load_existing_dedup_keys(db, all_dates)
 
     records = []
-    new_keys_in_batch = set()  # 防止本次导入文件内部重复
     skipped_details = []  # 记录被跳过的重复记录详情
 
     # 处理期货记录
@@ -331,7 +330,7 @@ def save_to_db(
             price = safe_float(row.get('成交价'))
 
             dedup_key = _build_dedup_key(trade_date, variety, trade_time, price)
-            if dedup_key in existing_keys or dedup_key in new_keys_in_batch:
+            if dedup_key in existing_keys:
                 futures_skipped += 1
                 skipped_details.append({
                     'type': '期货',
@@ -346,7 +345,6 @@ def save_to_db(
             if futures_parsed <= 3:
                 logger.info(f"[去重校验] 期货记录 #{futures_parsed}: raw_date={raw_date!r}, trade_date={trade_date!r}, variety={variety!r}, time={trade_time!r}, price={price!r} => key={dedup_key!r}")
 
-            new_keys_in_batch.add(dedup_key)
             rec = TradeRecord(
                 trade_type='期货',
                 symbol=contract,
@@ -383,7 +381,7 @@ def save_to_db(
             price = safe_float(row.get('权利金单价'))
 
             dedup_key = _build_dedup_key(trade_date, variety, trade_time, price)
-            if dedup_key in existing_keys or dedup_key in new_keys_in_batch:
+            if dedup_key in existing_keys:
                 options_skipped += 1
                 skipped_details.append({
                     'type': '期权',
@@ -394,7 +392,6 @@ def save_to_db(
                 })
                 continue
 
-            new_keys_in_batch.add(dedup_key)
             # 期权盈亏来自权利金（带正负号：卖为正，买为负）
             premium = safe_float(row.get('权利金'))
             rec = TradeRecord(