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_monitor_lib.py

@@ -315,7 +315,8 @@ def sync_open_options_trades(
     rows = conn.execute(
         """
         SELECT id, inst_id, premium_paid, exp_time, created_at,
-               open_fee, premium_ccy, underlying, exchange_ord_id
+               open_fee, premium_ccy, underlying, exchange_ord_id,
+               budget_usdt, open_index_px, fee_ccy
         FROM options_trades
         WHERE status = 'open'
         """
@@ -326,7 +327,6 @@ def sync_open_options_trades(
     from lib.options.options_pnl_settle_lib import (
         resolve_close_index_px,
         settle_closed_pnl,
-        settle_exchange_realized_pnl,
     )
 
     for row in rows:
@@ -371,17 +371,24 @@ def sync_open_options_trades(
         prem_ccy = str(row["premium_ccy"] or "").strip() or "ETH"
         underly = str(row["underlying"] or "").strip()
         close_idx = resolve_close_index_px(None, inst_id=inst_id, underlying=underly)
+        budget = _safe_float(row["budget_usdt"])
+        open_idx = _safe_float(row["open_index_px"])
+        fee_ccy = str(row["fee_ccy"] or prem_ccy or "")
         if close_reason == "exchange" and realized_pnl is not None:
-            # OKX realizedPnl 已含费,禁止再减 open_fee
-            settled = settle_exchange_realized_pnl(
-                realized_pnl=realized_pnl,
+            # OKX realizedPnl 已含费 → 反推毛收回,再按开仓成本折 U(不再二次扣费)
+            prem_recv = round(paid + float(realized_pnl) + open_fee, 4)
+            settled = settle_closed_pnl(
+                premium_paid=paid,
+                premium_received=prem_recv,
+                open_fee=open_fee,
+                close_fee=0,
                 premium_ccy=prem_ccy,
                 index_px=close_idx,
-                fee_hint=open_fee,
+                open_index_px=open_idx,
+                budget_usdt=budget,
+                fee_ccy=fee_ccy,
             )
-            prem_recv = round(paid + float(realized_pnl) + open_fee, 4)
         else:
-            # 到期归零:本地权利金口径,只扣一次开仓费
             if prem_recv is None:
                 prem_recv = 0.0
             settled = settle_closed_pnl(
@@ -391,6 +398,9 @@ def sync_open_options_trades(
                 close_fee=0,
                 premium_ccy=prem_ccy,
                 index_px=close_idx,
+                open_index_px=open_idx,
+                budget_usdt=budget,
+                fee_ccy=fee_ccy,
             )
         realized_pnl = settled.get("realized_pnl")
         pnl_usdt = settled.get("realized_pnl_usdt")
@@ -405,6 +415,7 @@ def sync_open_options_trades(
                 close_ord_id = COALESCE(?, close_ord_id),
                 closed_at = COALESCE(?, closed_at),
                 close_index_px = COALESCE(?, close_index_px),
+                open_index_px = COALESCE(open_index_px, ?),
                 realized_pnl_usdt = COALESCE(?, realized_pnl_usdt),
                 fee_ccy = COALESCE(fee_ccy, ?),
                 signal_note = CASE
@@ -421,6 +432,7 @@ def sync_open_options_trades(
                 close_ord_id,
                 closed_at,
                 settled.get("close_index_px"),
+                settled.get("open_index_px"),
                 pnl_usdt,
                 prem_ccy,
                 close_reason,