修复审计P1：基数纠偏用开仓止损并清空币数量、Gate保证金/手动平仓成交价/全仓实盘空仓校验、OKX·Binance占位函数、快照超时。

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

tests/test_trade_margin_record_lib.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 import unittest
 
 from lib.trade.trade_margin_record_lib import (
+    apply_repaired_margin_capital,
     coin_amount_to_margin_usdt,
     looks_like_coin_amount_as_margin,
     margin_from_risk_amount,
@@ -34,7 +35,6 @@ class TestTradeMarginRecord(unittest.TestCase):
         )
 
     def test_coin_to_margin(self):
-        # 仅作数学兜底函数;展示层不得优先用它虚增高额
         self.assertAlmostEqual(
             coin_amount_to_margin_usdt(0.12, trigger_price=64054.1, leverage=20),
             384.32,
@@ -42,7 +42,6 @@ class TestTradeMarginRecord(unittest.TestCase):
         )
 
     def test_margin_from_risk(self):
-        # risk = 110 * 20 * 445.9 / 64054.1 ≈ 15.32
         risk = 110.0 * 20.0 * 445.9 / 64054.1
         out = margin_from_risk_amount(
             risk, trigger_price=64054.1, stop_loss=64500.0, leverage=20
@@ -68,6 +67,18 @@ class TestTradeMarginRecord(unittest.TestCase):
         )
         self.assertEqual(out, 117.71)
 
+    def test_resolve_rejects_inflated_plan_via_risk(self):
+        risk = 110.0 * 20.0 * 445.9 / 64054.1
+        out = resolve_trade_record_margin_usdt(
+            exchange_margin_usdt=None,
+            plan_margin_capital=384.32,
+            leverage=20,
+            trigger_price=64054.1,
+            stop_loss=64500.0,
+            risk_amount=risk,
+        )
+        self.assertAlmostEqual(out, 110.0, places=1)
+
     def test_resolve_uses_risk_when_no_plan(self):
         risk = 110.0 * 20.0 * 445.9 / 64054.1
         out = resolve_trade_record_margin_usdt(
@@ -89,6 +100,19 @@ class TestTradeMarginRecord(unittest.TestCase):
         )
         self.assertIsNone(out)
 
+    def test_repair_prefers_initial_stop_loss(self):
+        # 当前止损已移近(保本),若误用会把反推基数抬高;应使用开仓止损
+        risk = 110.0 * 20.0 * 445.9 / 64054.1
+        out = repair_stored_margin_capital(
+            384.32,
+            trigger_price=64054.1,
+            leverage=20,
+            stop_loss=64080.0,
+            initial_stop_loss=64500.0,
+            risk_amount=risk,
+        )
+        self.assertAlmostEqual(out, 110.0, places=1)
+
     def test_repair_stored_uses_risk_not_coin_times_price(self):
         risk = 110.0 * 20.0 * 445.9 / 64054.1
         self.assertAlmostEqual(
@@ -102,7 +126,6 @@ class TestTradeMarginRecord(unittest.TestCase):
             110.0,
             places=1,
         )
-        # 曾被错误「纠偏」成 384 的入库值,用风险金额压回
         self.assertAlmostEqual(
             repair_stored_margin_capital(
                 384.32,
@@ -120,13 +143,21 @@ class TestTradeMarginRecord(unittest.TestCase):
             ),
             108.97,
         )
-        # 无风险金额时:绝不把 0.12 换成 384
         self.assertIsNone(
             repair_stored_margin_capital(
                 0.12, trigger_price=64054.1, leverage=20
             )
         )
 
+    def test_apply_clears_coin_like_when_unrepairable(self):
+        item = {"margin_capital": 0.12, "trigger_price": 64054.1, "leverage": 20}
+        apply_repaired_margin_capital(
+            item,
+            trigger_price=64054.1,
+            leverage=20,
+        )
+        self.assertIsNone(item["margin_capital"])
+
     def test_sanitize_rejects_oversized_collateral(self):
         out = sanitize_exchange_initial_margin(
             384.32, notional=2200.0, order_leverage=20, coin_amount=0.034