Add hub order popup modal with compact instance trade embed (plan A).

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

embed_templates/embed_page_fragment.html

@@ -22,8 +22,8 @@
         {% if page == 'key_monitor' %}
         {% include 'key_monitor_panel.html' %}
         {% elif page == 'trade' %}
-        <div class="dual-panel-grid" style="grid-column:1/-1">
-        <div class="card">
+        <div class="dual-panel-grid{% if order_popup %} order-popup-trade-grid{% endif %}" style="grid-column:1/-1">
+        <div class="card order-popup-form-card">
             <div style="display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:8px">
                 <h2 style="margin-bottom:0">实盘下单监控</h2>
                 {% if focus_order_id %}
@@ -77,6 +77,7 @@
             </form>
             {% include 'order_plan_preview_bar.html' %}
         </div>
+        {% if not order_popup %}
         <div class="card">
             <h2 style="margin-bottom:8px">实时持仓</h2>
             <div class="panel-scroll pos-list pos-list-live">
@@ -191,6 +192,7 @@
             </div>
         </div>
 
+        {% endif %}
         </div>
         {% elif page in ('strategy', 'strategy_trend', 'strategy_roll') %}
         {% include 'strategy_trading_page.html' %}