修复审计P1：基数纠偏用开仓止损并清空币数量、Gate保证金/手动平仓成交价/全仓实盘空仓校验、OKX·Binance占位函数、快照超时。

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/trade/trade_margin_record_lib.py

@@ -134,6 +134,12 @@ def resolve_trade_record_margin_usdt(
     """写入 trade_records.基数:计划保证金优先于异常交易所快照;禁止币×价÷杠杆虚增."""
     plan = _pos_float(plan_margin_capital)
     ex = _pos_float(exchange_margin_usdt)
+    from_risk = margin_from_risk_amount(
+        risk_amount,
+        trigger_price=trigger_price,
+        stop_loss=stop_loss,
+        leverage=leverage,
+    )
 
     if plan is not None and looks_like_coin_amount_as_margin(
         plan,
@@ -143,6 +149,8 @@ def resolve_trade_record_margin_usdt(
         notional_value=notional_value,
     ):
         plan = None
+    if plan is not None and from_risk is not None and plan > from_risk * 2.5:
+        plan = None
 
     if ex is not None and looks_like_coin_amount_as_margin(
         ex,
@@ -155,18 +163,13 @@ def resolve_trade_record_margin_usdt(
         ex = None
     if ex is not None and plan is not None and ex > plan * 2.5:
         ex = None
+    if ex is not None and from_risk is not None and ex > from_risk * 2.5:
+        ex = None
 
     if plan is not None:
         return round(plan, 2)
     if ex is not None:
         return round(ex, 2)
-
-    from_risk = margin_from_risk_amount(
-        risk_amount,
-        trigger_price=trigger_price,
-        stop_loss=stop_loss,
-        leverage=leverage,
-    )
     if from_risk is not None:
         return from_risk
 
@@ -187,10 +190,16 @@ def repair_stored_margin_capital(
     risk_amount: Any = None,
     initial_stop_loss: Any = None,
 ) -> Optional[float]:
-    """展示/列表:修复已入库的异常基数;禁止把币数量换算成虚高保证金."""
+    """展示/列表:修复已入库的异常基数.
+
+    返回值语义:
+    - 正数:应用该保证金
+    - None:若原值像币数量,调用方应清空显示;否则保留原值(见 apply_repaired_margin_capital)
+    """
     del symbol  # 预留按币种阈值
     m = _pos_float(margin_capital)
-    sl = stop_loss if stop_loss not in (None, "") else initial_stop_loss
+    # 与写入路径一致:优先开仓止损,避免保本后距离变小导致反推虚高
+    sl = initial_stop_loss if initial_stop_loss not in (None, "") else stop_loss
     from_risk = margin_from_risk_amount(
         risk_amount,
         trigger_price=trigger_price,
@@ -207,7 +216,38 @@ def repair_stored_margin_capital(
         return from_risk
 
     if from_risk is not None and m > from_risk * 2.5:
-        # 已入库虚高(如曾用币×价÷杠杆「纠偏」成 384)
         return from_risk
 
     return round(m, 2)
+
+
+def apply_repaired_margin_capital(
+    item: dict[str, Any],
+    *,
+    trigger_price: Any = None,
+    leverage: Any = None,
+    stop_loss: Any = None,
+    initial_stop_loss: Any = None,
+    risk_amount: Any = None,
+    symbol: Any = None,
+) -> None:
+    """就地更新 item['margin_capital'];币数量无法修复时清空为 None."""
+    if not isinstance(item, dict):
+        return
+    raw = item.get("margin_capital")
+    fixed = repair_stored_margin_capital(
+        raw,
+        trigger_price=trigger_price,
+        leverage=leverage,
+        symbol=symbol,
+        stop_loss=stop_loss,
+        initial_stop_loss=initial_stop_loss,
+        risk_amount=risk_amount,
+    )
+    if fixed is not None:
+        item["margin_capital"] = fixed
+        return
+    if looks_like_coin_amount_as_margin(
+        raw, trigger_price=trigger_price, leverage=leverage
+    ):
+        item["margin_capital"] = None