对齐币本位期权：现货缓冲开仓、页头 ETH/BTC 余额与默认 coin 模式。

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

lib/options/options_close_exec_lib.py

@@ -351,7 +351,7 @@ def close_option_by_bid1(
         # 自动平已挂过单:同仓续批只验流动性
         mark_close_gate_passed(inst_id)
 
-    return {
+    out = {
         "ok": True,
         "mode": "bid1",
         "orders": [{"order": order, "px": px, "sheets": level_sheets}],
@@ -369,6 +369,18 @@ def close_option_by_bid1(
             + ("" if fully_closed else f",剩余 {remaining_pos} 张待下次平仓")
         ),
     }
+    if fully_closed:
+        try:
+            from lib.options.options_coin_open_lib import maybe_sell_spot_after_close
+
+            spot_sell = maybe_sell_spot_after_close(cfg, ex, inst_id=inst_id, close_result=out)
+            if spot_sell is not None:
+                out["spot_sell"] = spot_sell
+                if spot_sell.get("bridge_status") == "pending_sell_spot":
+                    out["msg"] = str(out.get("msg") or "") + ";卖回 USDT 失败,请重试卖回"
+        except Exception as e:
+            out["spot_sell"] = {"ok": False, "msg": str(e)}
+    return out
 
 
 # 兼容旧名