Fix OKX header trade stats stuck at zero after settings shell load.

Always SSR records summary on embed shell (including settings/risk/env), and refresh total/win-rate/PL ratio via account_snapshot so soft-nav cannot leave the strip blank.

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

lib/instance/instance_embed_context_lib.py

@@ -38,11 +38,11 @@ def embed_render_plan(page: str, embed_mode: str | None) -> EmbedRenderPlan:
         )
     is_shell = embed_mode == "shell"
     is_strategy = page in EMBED_STRATEGY_PAGES
-    is_settings_like = page in ("settings", "risk_policy", "env_config")
     return EmbedRenderPlan(
         exchange_capitals=is_shell,
         records_rows=page == "records",
-        records_summary=is_shell and page != "records" and not is_settings_like,
+        # 顶栏常驻:设置/风控/env 也要统计,否则首屏 SSR 为 0 后软切 tab 不会重绘顶栏
+        records_summary=is_shell and page != "records",
         key_history=page == "key_monitor",
         key_list=page in ("key_monitor", "trade") or is_strategy,
         orders=page == "trade" or is_strategy,
@@ -157,5 +157,21 @@ def trade_records_summary(conn, start_bj: str, end_bj: str, tr_ts: str) -> dict[
     }
 
 
+def header_trade_stats_for_window(conn, list_window: dict[str, Any], app_tz) -> dict[str, Any]:
+    """account_snapshot / 顶栏刷新:按当前列表窗返回总交易/胜率/盈亏比."""
+    from lib.common.history_window_lib import sql_list_time_field, utc_window_to_bj_sql_strings
+
+    start_bj, end_bj = utc_window_to_bj_sql_strings(
+        list_window["start_utc"], list_window["end_utc"], app_tz
+    )
+    tr_ts = sql_list_time_field("closed_at", "created_at", "opened_at")
+    summary = trade_records_summary(conn, start_bj, end_bj, tr_ts)
+    return {
+        "total": summary["total"],
+        "rate": summary["rate"],
+        "profit_loss_ratio": summary.get("profit_loss_ratio"),
+    }
+
+
 def minimal_stats_bundle(reset_hour: int) -> dict[str, Any]:
     return {"stats_reset_hour": reset_hour, "segments": []}