fix: label trend breakeven handoff as 趋势回调 across four exchanges

Set order monitor and trade record source to trend pullback after handoff; unify hub and instance display; add migration script for legacy rows.

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

strategy_trade_labels.py

@@ -81,8 +81,45 @@ def _row_monitor_type(row, default_manual: str) -> str:
     return default_manual
 
 
+def _row_key_signal_type(row) -> str:
+    if row is None:
+        return ""
+    try:
+        keys = row.keys() if hasattr(row, "keys") else []
+    except Exception:
+        keys = []
+    if "key_signal_type" not in keys:
+        return ""
+    return (row["key_signal_type"] or "").strip()
+
+
+def order_monitor_source_type(row, *, default_manual: str = "下单监控") -> str:
+    """展示/平仓记录：趋势保本移交单来源为「趋势回调」，非「下单监控」。"""
+    if trend_plan_id_from_monitor_row(row) is not None:
+        return MONITOR_TYPE_TREND_PULLBACK
+    mt = _row_monitor_type(row, default_manual)
+    if mt != default_manual:
+        return mt
+    kst = _row_key_signal_type(row)
+    if kst in (
+        MONITOR_TYPE_TREND_PULLBACK,
+        TREND_HANDOFF_KEY_SIGNAL,
+        TREND_HANDOFF_TRADE_NOTE,
+        ENTRY_REASON_TREND_PULLBACK,
+    ):
+        return MONITOR_TYPE_TREND_PULLBACK
+    return mt
+
+
+def apply_order_monitor_source_labels(item: dict, *, default_manual: str = "下单监控") -> dict:
+    """实例页 / 中控 API：统一修正 order_monitors 展示用 monitor_type。"""
+    out = dict(item or {})
+    out["monitor_type"] = order_monitor_source_type(out, default_manual=default_manual)
+    return out
+
+
 def trade_record_monitor_type(conn, order_row, *, default_manual: str = "下单监控") -> str:
-    """平仓写入 trade_records 时：曾顺势加仓则标「顺势加仓」，否则沿用监控单类型。"""
+    """平仓写入 trade_records 时：曾顺势加仓则标「顺势加仓」，否则沿用监控单来源类型。"""
     oid = None
     try:
         keys = order_row.keys() if hasattr(order_row, "keys") else []
@@ -92,7 +129,7 @@ def trade_record_monitor_type(conn, order_row, *, default_manual: str = "下单
         oid = None
     if oid and order_had_roll_fills(conn, oid):
         return MONITOR_TYPE_ROLL
-    return _row_monitor_type(order_row, default_manual)
+    return order_monitor_source_type(order_row, default_manual=default_manual)
 
 
 def entry_reason_for_monitor_type(monitor_type: str | None) -> str: