删除永续下单监控与划转强平，保留关键位监控并完成回归审计。

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

lib/trade/trade_result_lib.py

@@ -2,11 +2,23 @@
 
 from __future__ import annotations
 
-from typing import Optional
+from typing import Any, Optional
 
 _WIN_EPS = 1e-9
 
 
+def snapshot_stop_loss(initial_stop_loss: Any, stop_loss: Any) -> Optional[float]:
+    """展示盈亏比时优先用开仓止损快照."""
+    for v in (initial_stop_loss, stop_loss):
+        try:
+            f = float(v)
+            if f > 0:
+                return f
+        except (TypeError, ValueError):
+            continue
+    return None
+
+
 def classify_exit_by_levels(
     direction,
     trigger_price,