feat: strategy trade snapshots, DCA detail, and hub trend layout

Persist ended trend pullback and roll group snapshots to a unified records page; show replenishment tiers on instance and hub cards with horizontal single-position layout.

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

crypto_monitor_okx/templates/index.html

@@ -259,6 +259,7 @@
         <a href="/key_monitor" class="{% if page == 'key_monitor' %}active{% endif %}">关键位监控</a>
         <a href="/trade" class="{% if page == 'trade' %}active{% endif %}">实盘下单</a>
         <a href="/strategy" class="{% if page in ('strategy', 'strategy_trend', 'strategy_roll') %}active{% endif %}">策略交易</a>
+        <a href="/strategy/records" class="{% if page == 'strategy_records' %}active{% endif %}">策略交易记录</a>
         <a href="/records" class="{% if page == 'records' %}active{% endif %}">交易记录与复盘</a>
         <a href="/stats" class="{% if page == 'stats' %}active{% endif %}">统计分析</a>
     </div>
@@ -603,6 +604,8 @@
         </div>
         {% elif page in ('strategy', 'strategy_trend', 'strategy_roll') %}
         {% include 'strategy_trading_page.html' %}
+        {% elif page == 'strategy_records' %}
+        {% include 'strategy_records_page.html' %}
         {% endif %}