修复平仓后查仓失败仍卖币，并恢复期权说明页。

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

lib/options/options_coin_open_lib.py

@@ -574,22 +574,27 @@ def maybe_sell_spot_after_close(
     inst_id: str,
     close_result: dict[str, Any] | None = None,
 ) -> dict[str, Any] | None:
-    """期权平仓后若该合约为币本位且已空仓,卖回本桥残留币."""
+    """期权平仓后若该合约为币本位且已空仓,卖回本桥残留币.
+
+    持仓查询失败/空响应时不卖,等下次监控再查(与 sweep_spot_after_options_flat 一致).
+    """
+    del close_result  # 预留字段;卖回只认交易所持仓实况
     if margin_mode_from_inst_id(inst_id) != "coin":
         return None
-    # 仍有仓则不卖
     try:
-        rows = cfg["fetch_option_positions"](ex) or []
-        for p in rows:
-            if str(p.get("instId") or p.get("inst_id") or "") != inst_id:
-                continue
-            try:
-                if abs(float(p.get("pos") or 0)) > 1e-12:
-                    return {"ok": True, "skipped": True, "msg": "仍有持仓,暂不卖币"}
-            except (TypeError, ValueError):
-                pass
-    except Exception:
-        pass
+        rows = cfg["fetch_option_positions"](ex)
+    except Exception as e:
+        return {"ok": False, "msg": f"持仓查询失败,暂不卖币: {e}", "skipped": True}
+    if rows is None:
+        return {"ok": False, "msg": "持仓查询失败: 空响应,暂不卖币", "skipped": True}
+    for p in rows or []:
+        if str(p.get("instId") or p.get("inst_id") or "") != inst_id:
+            continue
+        try:
+            if abs(float(p.get("pos") or 0)) > 1e-12:
+                return {"ok": True, "skipped": True, "msg": "仍有持仓,暂不卖币"}
+        except (TypeError, ValueError):
+            pass
     parts = inst_id.split("-")
     underlying = (parts[0] if parts else "ETH").upper()
     return _spot_bridge.sell_residual_after_option_flat(