Add instance data dashboard (default off).

Read-only overview of live orders, key monitors, and strategy; show options/hedge only when present. Toggle via system settings nav prefs.

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

lib/instance/templates/embed_shell.html

@@ -6,7 +6,7 @@
     <script src="/static/instance_theme.js?v=50"></script>
     <link rel="stylesheet" href="/static/instance_theme_early.css?v=4">
     <link rel="stylesheet" href="/static/account_risk_badge.css?v=4">
-    <link rel="stylesheet" href="/static/instance_page.css?v=6">
+    <link rel="stylesheet" href="/static/instance_page.css?v=7">
     <link rel="stylesheet" href="/static/instance_theme.css?v=95">
     <script src="/static/account_risk_badge.js?v=4"></script>
     <meta name="theme-color" content="#0b0d14">
@@ -29,6 +29,7 @@
         <h1>加密货币｜交易监控 + AI复盘一体化</h1>
     </div>
     <nav class="top-nav embed-top-nav" aria-label="实例导航">
+        <a href="/dashboard" data-embed-tab="dashboard" class="{% if initial_tab == 'dashboard' %}active{% endif %}"{% if not display.show_nav_dashboard %} style="display:none"{% endif %}>数据看板</a>
         <a href="/key_monitor" data-embed-tab="key_monitor" class="{% if initial_tab == 'key_monitor' %}active{% endif %}">关键位监控</a>
         <a href="/trade" data-embed-tab="trade" class="{% if initial_tab == 'trade' %}active{% endif %}">实盘下单</a>
         {% if not intraday_discipline and display.show_nav_strategy %}
@@ -109,11 +110,12 @@ const ORDER_ENTRY_MODEL_CODE_TO_CATEGORY = {{ entry_model_code_to_category | toj
 <script src="/static/instance_stats.js?v=4"></script>
 {% include 'embed_boot_scripts.html' %}
 <script src="/static/records_review_page.js?v=2"></script>
+<script src="/static/instance_dashboard.js?v=1"></script>
 <script>
 window.__INSTANCE_DISPLAY__ = {{ display | tojson }};
 </script>
-<script src="/static/instance_settings_prefs.js?v=13"></script>
-<script src="/static/instance_live.js?v=5"></script>
-<script src="/static/instance_embed.js?v=24"></script>
+<script src="/static/instance_settings_prefs.js?v=14"></script>
+<script src="/static/instance_live.js?v=6"></script>
+<script src="/static/instance_embed.js?v=25"></script>
 </body>
 </html>