fix卖回未完成禁止用指数提前结算，并纠正买卖VWAP回退。

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

lib/options/options_pnl_settle_lib.py

@@ -226,7 +226,6 @@ def resolve_spot_vwap_prices(
         try:
             from lib.options.options_spot_bridge_lib import (
                 BRIDGE_CLOSED,
-                BRIDGE_PENDING_SELL,
                 bridge_buy_vwap,
                 bridge_sell_vwap,
                 ensure_bridge_table,
@@ -243,14 +242,13 @@ def resolve_spot_vwap_prices(
             st = str(
                 row["status"] if row and hasattr(row, "keys") else (row[0] if row else "") or ""
             )
-            if st == BRIDGE_PENDING_SELL:
+            # 桥未关闭(=卖回流程未结束):禁止用平仓指数冒充卖回 VWAP 提前结算
+            if st and st != BRIDGE_CLOSED:
                 return open_px, None, "pending_sell"
             sv = bridge_sell_vwap(conn, bid)
             if sv is not None and sv > 0:
                 close_px = sv
-            elif st == BRIDGE_CLOSED and (close_px is None or close_px <= 0):
-                # 已关桥但无 VWAP/冻结卖回价
-                return open_px, None, "missing"
+            # 已关桥但无卖回 VWAP:允许回退 close_index_px;两者都无则 missing
         except Exception:
             pass
     if open_px is None or open_px <= 0 or close_px is None or close_px <= 0: