模拟盘统计改为现货买币/卖回的真实 USDT 净盈亏，对齐钱包。

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

lib/options/options_coin_open_lib.py

@@ -59,9 +59,21 @@ def _sell_excess_bridge_coin(
     sell_amt = min(float(avail), excess_cap)
     if not _spot_bridge.is_sellable_spot_coin(ex, underlying, sell_amt):
         return None
-    return _spot_bridge.spot_market_sell_coin_to_usdt(
+    sell = _spot_bridge.spot_market_sell_coin_to_usdt(
         ex, underlying=underlying, coin_amount=sell_amt
     )
+    if sell and sell.get("ok"):
+        try:
+            recovered = float(sell.get("usdt_recovered") or 0)
+        except (TypeError, ValueError):
+            recovered = 0.0
+        if recovered > 0:
+            try:
+                _spot_bridge.add_bridge_usdt_recovered(conn, int(bridge_id), recovered)
+                conn.commit()
+            except Exception:
+                pass
+    return sell
 
 
 def coin_budget_preview(cfg: dict[str, Any], ex: Any) -> dict[str, Any]:
@@ -650,12 +662,27 @@ def maybe_sell_spot_after_close(
             pass
     parts = inst_id.split("-")
     underlying = (parts[0] if parts else "ETH").upper()
-    return _spot_bridge.sell_residual_after_option_flat(
+    result = _spot_bridge.sell_residual_after_option_flat(
         cfg["get_db"],
         ex,
         underlying=underlying,
         inst_id=inst_id,
     )
+    # 模拟盘:卖回后按桥上真实 USDT 净额回写已实现盈亏
+    try:
+        from lib.sim.mode_lib import is_sim_mode
+        from lib.options.options_stats_lib import sync_sim_cash_realized_pnl_usdt
+
+        if is_sim_mode(cfg["get_db"]):
+            conn = cfg["get_db"]()
+            try:
+                sync_sim_cash_realized_pnl_usdt(conn, ex)
+                conn.commit()
+            finally:
+                conn.close()
+    except Exception:
+        pass
+    return result
 
 
 def sweep_spot_after_options_flat(