Add roll leg avg/TP profit display and reduce instance nav flicker

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

strategy_ui.py

@@ -34,6 +34,7 @@ def fetch_roll_page_data(
     *,
     default_risk_percent: float = 2.0,
     count_active_trends: Optional[Callable] = None,
+    roll_cfg: dict | None = None,
 ) -> dict[str, Any]:
     init_strategy_tables(conn)
     monitors = []
@@ -61,13 +62,18 @@ def fetch_roll_page_data(
         leg["status_label"] = roll_leg_status_label(leg.get("status"))
         roll_legs.append(leg)
     roll_legs = roll_legs[:50]
-    return {
+    out = {
         "roll_monitors": monitors,
         "roll_groups": roll_groups,
         "roll_legs": roll_legs,
         "roll_trend_active": count_active_trend_plans(conn, count_active_trends),
         "default_risk_percent": default_risk_percent,
     }
+    if roll_cfg:
+        from strategy_roll_ui_lib import enrich_roll_page_data
+
+        enrich_roll_page_data(conn, out, roll_cfg)
+    return out
 
 
 DEFAULT_TREND_DISABLED_NOTE = (
@@ -116,10 +122,18 @@ def strategy_page_template_vars(
     """render_main_page 在 conn.close() 前合并进 render_template 的变量。"""
     if page not in ("strategy", "strategy_trend", "strategy_roll"):
         return {}
+    roll_cfg = None
+    try:
+        from flask import current_app
+
+        roll_cfg = (current_app.extensions or {}).get("strategy_roll_cfg")
+    except Exception:
+        roll_cfg = None
     out = fetch_roll_page_data(
         conn,
         default_risk_percent=default_risk_percent,
         count_active_trends=count_active_trends,
+        roll_cfg=roll_cfg if isinstance(roll_cfg, dict) else None,
     )
     if trend_cfg and request_obj is not None:
         from strategy_trend_register import load_trend_page_context