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>

crypto_monitor_okx/app.py

@@ -3106,13 +3106,16 @@ def parse_ccxt_position_metrics(position, order_leverage=None):
         return None
     p = position
     info = p.get("info", {}) or {}
-    initial = _coerce_float(p.get("collateral"), p.get("initialMargin"), p.get("margin"))
+    # 优先 initialMargin;collateral 常含未实现,仅作兜底
+    initial = _coerce_float(p.get("initialMargin"), p.get("margin"))
     if initial is None or initial <= 0:
         initial = _coerce_float(
             info.get("margin"),
             info.get("imr"),
             info.get("initial_margin"),
         )
+    if initial is None or initial <= 0:
+        initial = _coerce_float(p.get("collateral"))
     notional = _coerce_float(p.get("notional"), p.get("notionalValue"))
     if notional is None or notional <= 0:
         notional = _coerce_float(info.get("notionalUsd"), info.get("notional"))
@@ -3136,6 +3139,26 @@ def parse_ccxt_position_metrics(position, order_leverage=None):
     )
     mark = _coerce_float(p.get("markPrice"), p.get("mark_price"), info.get("markPx"))
     out = {}
+    try:
+        contracts = abs(float(p.get("contracts") or info.get("pos") or 0))
+    except (TypeError, ValueError):
+        contracts = 0.0
+    coin_amt = None
+    if contracts > 0:
+        try:
+            sym0 = (p.get("symbol") or "").strip()
+            cs0 = float(get_contract_size(sym0)) if sym0 else 1.0
+            coin_amt = contracts * cs0 if cs0 > 0 else None
+        except Exception:
+            coin_amt = None
+    from lib.trade.trade_margin_record_lib import sanitize_exchange_initial_margin
+
+    initial = sanitize_exchange_initial_margin(
+        initial,
+        notional=notional,
+        order_leverage=order_leverage,
+        coin_amount=coin_amt,
+    )
     if initial is not None and initial > 0:
         out["initial_margin"] = round(initial, FUNDS_DECIMALS)
     if notional is not None and notional > 0:
@@ -3410,6 +3433,11 @@ def get_live_position_exchange_metrics(exchange_symbol, direction, order_leverag
     return parse_ccxt_position_metrics(prow, order_leverage=order_leverage)
 
 
+def try_persist_exchange_margin_for_order(conn, order_id, exchange_symbol, direction, order_leverage=None, max_attempts=6, sleep_s=0.45):
+    """OKX 暂无 order_monitors.exchange_margin_usdt 列;占位避免开仓后 NameError."""
+    return False
+
+
 def opened_at_str_to_ms(opened_at_str):
     if not opened_at_str:
         return None