fix: Gate hub close sync and trade record open stop-loss snapshot

Sync order monitors from Gate position history after hub flat close. Store and display initial_stop_loss in trade records instead of post-amend exchange stops.

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

order_monitor_display_lib.py

@@ -13,13 +13,27 @@ def _positive_float(value: Any) -> Optional[float]:
 
 
 def snapshot_stop_loss(initial_stop_loss: Any, stop_loss: Any) -> Optional[float]:
-    """展示盈亏比时优先用开仓时止损快照。"""
+    """展示盈亏比 / 交易记录时优先用开仓时止损快照，不用后续改单后的止损。"""
     sl = _positive_float(initial_stop_loss)
     if sl is not None:
         return sl
     return _positive_float(stop_loss)
 
 
+def monitor_open_stop_loss(row: Any) -> Optional[float]:
+    """从 order_monitors 行取开仓止损快照。"""
+    try:
+        keys = row.keys() if hasattr(row, "keys") else ()
+    except Exception:
+        keys = ()
+    init = row["initial_stop_loss"] if "initial_stop_loss" in keys else None
+    cur = row["stop_loss"] if "stop_loss" in keys else None
+    if init is None and isinstance(row, dict):
+        init = row.get("initial_stop_loss")
+        cur = row.get("stop_loss")
+    return snapshot_stop_loss(init, cur)
+
+
 def snapshot_rr(
     calc_rr_ratio_fn: Callable[..., Optional[float]],
     direction: str,