fix复盘真盈亏改为期权币盈亏×平仓价，不再绑卖回与初始权利金差。

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

tests/test_options_account_pnl.py

@@ -15,7 +15,7 @@ class AccountPnlSettleTests(unittest.TestCase):
         conn = sqlite3.connect(":memory:")
         conn.row_factory = sqlite3.Row
         init_options_tables(conn)
-        # coin_pnl=0.01, open=90000, close=80000 → A=700; 账户差分会是 947 但不采用
+        # coin_pnl=0.01, close=80000 → U=800; 账户差分不采用
         conn.execute(
             """
             INSERT INTO options_trades(
@@ -40,7 +40,7 @@ class AccountPnlSettleTests(unittest.TestCase):
             "SELECT trading_usdt_after, realized_pnl_usdt, pnl_settled FROM options_trades WHERE id=1"
         ).fetchone()
         self.assertAlmostEqual(float(row["trading_usdt_after"]), 1947.05, places=2)
-        self.assertAlmostEqual(float(row["realized_pnl_usdt"]), 700.0, places=2)
+        self.assertAlmostEqual(float(row["realized_pnl_usdt"]), 800.0, places=2)
         self.assertEqual(int(row["pnl_settled"]), 1)
 
         # 已冻结不再改
@@ -51,7 +51,7 @@ class AccountPnlSettleTests(unittest.TestCase):
         row2 = conn.execute(
             "SELECT realized_pnl_usdt FROM options_trades WHERE id=1"
         ).fetchone()
-        self.assertAlmostEqual(float(row2["realized_pnl_usdt"]), 700.0, places=2)
+        self.assertAlmostEqual(float(row2["realized_pnl_usdt"]), 800.0, places=2)
         conn.close()
 
     def test_stats_use_coin_times_sell_px_not_account(self):
@@ -158,17 +158,15 @@ class AccountPnlSettleTests(unittest.TestCase):
             true_pnl_usdt_premium_move,
         )
 
-        # (0.01+0.01)*80000 - 0.01*90000 = 700
+        # 0.01*80000 = 800
         self.assertAlmostEqual(
             float(
                 true_pnl_usdt_premium_move(
                     coin_pnl=0.01,
-                    premium_paid=0.01,
                     sell_back_px=80000,
-                    initial_premium_usdt=900.0,
                 )
             ),
-            700.0,
+            800.0,
             places=4,
         )
         pnl, src = resolve_true_pnl_usdt_from_trade(
@@ -180,7 +178,7 @@ class AccountPnlSettleTests(unittest.TestCase):
             premium_ccy="BTC",
         )
         self.assertEqual(src, "premium_move")
-        self.assertAlmostEqual(float(pnl), 700.0, places=4)
+        self.assertAlmostEqual(float(pnl), 800.0, places=4)
 
     def test_settle_blocked_when_sellable_coin(self):
         from lib.options.options_account_pnl_lib import try_settle_after_sellback