实盘数据统计改用期权历史交易所盈亏；模拟盘仍走本地结算。

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

lib/options/options_db.py

@@ -95,6 +95,19 @@ def init_options_tables(conn: sqlite3.Connection) -> None:
         ON options_target_monitors(status)
         """
     )
+    # 实盘统计:按期权历史 history_key 冻结交易所盈亏折 U,避免跟实时指数漂移
+    conn.execute(
+        """
+        CREATE TABLE IF NOT EXISTS options_exchange_pnl_freeze (
+            history_key TEXT PRIMARY KEY,
+            realized_pnl REAL,
+            realized_pnl_usdt REAL,
+            close_index_px REAL,
+            premium_ccy TEXT,
+            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+        )
+        """
+    )
     for ddl in (
         "ALTER TABLE options_trades ADD COLUMN wechat_open_sent INTEGER DEFAULT 0",
         "ALTER TABLE options_trades ADD COLUMN wechat_close_sent INTEGER DEFAULT 0",