feat: show time-close countdown after symbol in monitor area

Move timed-close badge next to contract name on hub board and instance position cards; refresh countdown on board render.

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

strategy_templates/key_monitor_panel.html

@@ -182,6 +182,9 @@
                 <span class="key-row-summary-main">
                     <span class="key-row-summary-title">
                         <strong>{{ k.symbol }}</strong>
+                        {% if k.time_close_enabled and k.time_close_hours %}
+                        <span class="pos-symbol-time-close pos-meta-on">时间平仓 {{ k.time_close_hours }}h</span>
+                        {% endif %}
                         {% if k.direction == 'watch' %}
                         <span class="pos-side-badge" style="background:#2a3152;color:#9ab">双向</span>
                         {% else %}
@@ -207,9 +210,6 @@
                     <span class="pos-meta-item">方案: {{ key_sl_tp_mode_label(k) }}</span>
                     {% endif %}
                     <span class="pos-meta-item">保本: {{ '开' if k.breakeven_enabled else '关' }}</span>
-                    {% if k.time_close_enabled and k.time_close_hours %}
-                    <span class="pos-meta-item pos-meta-on">时间平仓: {{ k.time_close_hours }}h</span>
-                    {% endif %}
                 </div>
                 <div class="pos-grid">
                     <div class="pos-cell"><span class="pos-label">现价</span><span class="pos-value" id="key-price-{{ k.id }}">-</span></div>