修复web前端，增加openai

strategy_templates/strategy_trend_panel.html

@@ -1,8 +1,7 @@
 {% set mf = money_fmt|default(funds_fmt) %}
 {% macro amt_disp(sym, val) %}{% if amt_fmt is defined %}{{ amt_fmt(sym, val) }}{% else %}{{ val }}{% endif %}{% endmacro %}
-{% include 'strategy_subnav.html' %}
-<div class="card trend-card" style="grid-column:1/-1">
-    <h2 style="margin-bottom:8px">趋势回调策略</h2>
+<div class="strategy-panel-inner trend-card">
+    <h2 style="margin-bottom:8px">趋势回调</h2>
     <div class="rule-tip">
         ① <strong>生成预览</strong>：读取合约 USDT <strong>可用余额快照</strong>并计算计划（不下单）。预览有效期 <strong>{{ trend_pullback_preview_ttl }} 秒</strong>。<br>
         ② <strong>确认执行</strong>：市价首仓 50% + 挂交易所止损；首仓后可<strong>手动保本</strong>（默认均价+{{ trend_manual_breakeven_offset_pct }}%）；剩余 50% 在止损与补仓区间之间共 {{ trend_pullback_dca_legs }} 档（做多为<strong>上沿</strong>、做空为<strong>下沿</strong>；程序可能因最小张数自动减档）市价补仓；<strong>止盈由程序监控</strong>。<br>