fix: fund overview history starts from 2026-06-09

Add HUB_FUND_HISTORY_START_DAY so curves and drawdown exclude snapshots before the baseline trading day.

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

manual_trading_hub/static/funds.js

@@ -215,7 +215,8 @@
       const parts = [
         "交易日 " + (data.trading_day || "—"),
         "切日 " + (data.reset_hour != null ? data.reset_hour : 8) + ":00 北京",
-        "历史 " + (data.keep_days || 180) + " 天",
+        "自 " + (data.history_start_day || "2026-06-09") + " 起",
+        "最多 " + (data.keep_days || 180) + " 交易日",
       ];
       if (data.updated_at) parts.push("刷新 " + data.updated_at);
       if (totals.live_known_count != null) {

manual_trading_hub/static/index.html

@@ -334,7 +334,7 @@
     <div id="page-funds" class="page hidden">
       <div class="page-head">
         <h1><span class="head-tag">FND</span> 资金概况</h1>
-        <p class="page-desc">总资金 = 各监控户（资金账户 + 交易账户）；按北京时间交易日切日快照，保留 180 天</p>
+        <p class="page-desc">总资金 = 各监控户（资金账户 + 交易账户）；自 2026-06-09 起按北京时间交易日切日快照，最多保留 180 天</p>
       </div>
       <div class="funds-toolbar toolbar">
         <button type="button" id="funds-btn-refresh" class="primary">刷新</button>
@@ -456,7 +456,7 @@
   <script src="/assets/chart_draw.js?v=20260609-market-day-split"></script>
   <script src="/assets/chart.js?v=20260609-market-day-split"></script>
   <script src="/assets/archive.js?v=20260608-hub-archive-history"></script>
-  <script src="/assets/funds.js?v=20260609-hub-funds"></script>
+  <script src="/assets/funds.js?v=20260609-hub-funds-start"></script>
   <script src="/assets/ai_review_render.js?v=2"></script>
   <script src="/assets/app.js?v=20260609-hub-funds"></script>
 </body>