修复币本位统计：开仓成本按预算/开仓指数计，不再用平仓价重估。

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

lib/options/options_coin_open_lib.py

@@ -426,6 +426,7 @@ def open_coin_option_buy_full(
 
         # 开仓手续费(折权利金单位);优先成交回包,否则查单
         open_fee = 0.0
+        idx_open = None
         try:
             from lib.options.options_pnl_settle_lib import (
                 extract_order_fee,
@@ -438,7 +439,7 @@ def open_coin_option_buy_full(
                 ex,
                 inst_id=inst_id,
                 underlying=underlying,
-                hint=(q.get("index_px") if isinstance(q, dict) else None),
+                hint=(q.get("index_px") if isinstance(q, dict) else None) or idx,
             )
             fee_hint, fee_ccy_hint = extract_order_fee(order if isinstance(order, dict) else None)
             if fee_hint <= 0 and isinstance(fill, dict):
@@ -500,6 +501,7 @@ def open_coin_option_buy_full(
             budget_usdt=buy_usdt,
             premium_ccy=premium_ccy,
             open_fee=open_fee,
+            open_index_px=idx_open,
             profit_exit_enabled=profit_exit_enabled,
             profit_exit_mult=profit_exit_mult,
         )
@@ -573,15 +575,22 @@ def _insert_coin_trade(conn: Any, **kwargs: Any) -> int:
     if open_fee < 0:
         open_fee = abs(open_fee)
     fee_ccy = str(kwargs.get("premium_ccy") or "ETH")
+    open_index_px = kwargs.get("open_index_px")
+    try:
+        open_index_px = float(open_index_px) if open_index_px is not None else None
+        if open_index_px is not None and open_index_px <= 0:
+            open_index_px = None
+    except (TypeError, ValueError):
+        open_index_px = None
     cur = conn.execute(
         """
         INSERT INTO options_trades(
             inst_id, underlying, opt_type, strike, exp_time, sheets, eth_amount,
             open_quote, premium_paid, status, signal_note, exchange_ord_id,
             margin_mode, premium_ccy, bridge_id, budget_usdt,
-            open_fee, fee_ccy,
+            open_fee, fee_ccy, open_index_px,
             profit_exit_enabled, profit_exit_mult, profit_exit_state, created_at
-        ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, 'open', ?, ?, 'coin', ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, 'open', ?, ?, 'coin', ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         """,
         (
             kwargs["inst_id"],
@@ -600,6 +609,7 @@ def _insert_coin_trade(conn: Any, **kwargs: Any) -> int:
             kwargs.get("budget_usdt"),
             open_fee,
             fee_ccy,
+            open_index_px,
             pe,
             pe_mult,
             pe_state,