Initial CoinOX instance: coin-margined options + USDT hedge.

Forked from crypto_monitor OKX instance (copy-only). Keeps standalone options, perp-options and options-options hedge; drops standalone perp entrypoints; forces coin margin; adds sim wallets; default port 5010.

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

lib/strategy/templates/strategy_trend_disabled_panel.html

@@ -0,0 +1,16 @@
+{% include 'strategy_subnav.html' %}
+<div class="card trend-card" style="grid-column:1/-1">
+    <h2 style="margin-bottom:8px">趋势回调</h2>
+    <details class="tip-collapse strategy-trend-disabled-collapse">
+        <summary class="tip-collapse-summary">趋势回调说明(本实例未启用)</summary>
+        <div class="tip-collapse-body rule-tip">
+            {{ trend_disabled_note }}<br><br>
+            趋势回调含自动补仓档位与预览执行,在 <strong>Binance / Gate / OKX</strong> 各实例的「策略交易 → 趋势回调」中运行.
+            请访问对应实例同一菜单,或常用地址如 Gate <code>:5000/strategy/trend</code>.
+        </div>
+    </details>
+    <p style="margin-top:12px;font-size:.85rem">
+        <a href="/trade" style="color:#8fc8ff">返回实盘下单</a>
+        ｜ <a href="/strategy/roll" style="color:#8fc8ff">顺势加仓(本实例可用)</a>
+    </p>
+</div>