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>

crypto_monitor_gate/app.py

@@ -50,8 +50,10 @@ from fib_key_monitor_lib import (
 )
 from strategy_trade_labels import (
     STRATEGY_ENTRY_REASON_OPTIONS,
+    apply_order_monitor_source_labels,
     entry_reason_for_monitor_type,
     handoff_trade_miss_reason,
+    order_monitor_source_type,
     trade_record_monitor_type as resolve_trade_record_monitor_type,
     trend_plan_id_from_monitor_row,
 )
@@ -2282,9 +2284,7 @@ def enrich_order_item(raw_item, current_capital):
         item["breakeven_enabled"] = 0 if be is not None and int(be) == 0 else 1
     except Exception:
         item["breakeven_enabled"] = 1
-    if not (item.get("monitor_type") or "").strip():
-        item["monitor_type"] = ORDER_MONITOR_TYPE_MANUAL
-    return item
+    return apply_order_monitor_source_labels(item, default_manual=ORDER_MONITOR_TYPE_MANUAL)
 
 
 def ensure_exchange_live_ready():
@@ -2296,17 +2296,7 @@ def ensure_exchange_live_ready():
 
 
 def order_row_monitor_type(row):
-    if row is None:
-        return ORDER_MONITOR_TYPE_MANUAL
-    try:
-        keys = row.keys() if hasattr(row, "keys") else []
-    except Exception:
-        keys = []
-    if "monitor_type" in keys:
-        mt = (row["monitor_type"] or "").strip()
-        if mt:
-            return mt
-    return ORDER_MONITOR_TYPE_MANUAL
+    return order_monitor_source_type(row, default_manual=ORDER_MONITOR_TYPE_MANUAL)
 
 
 def trade_record_monitor_type(conn, row):