接入 SimNow 模拟盘与期货下单、策略及品种推荐功能。

新增 vnpy CTP 桥接、以损定仓/固定张数、趋势回调与滚仓策略、按资金推荐品种及交易风控；模拟盘走 SimNow，实盘预留期货公司配置。

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

templates/base.html

@@ -483,6 +483,9 @@
             <h1 class="site-title">国内期货 · 交易监控 + 复盘<span class="site-title-sub">FUTURES MONITOR SYSTEM</span></h1>
             <button type="button" class="nav-backdrop" id="nav-backdrop" aria-label="关闭菜单" hidden></button>
             <nav class="site-nav" id="site-nav">
+                <a href="{{ url_for('trade_page') }}" class="{% if request.endpoint == 'trade_page' %}active{% endif %}">期货下单</a>
+                <a href="{{ url_for('recommend_page') }}" class="{% if request.endpoint == 'recommend_page' %}active{% endif %}">品种推荐</a>
+                <a href="{{ url_for('strategy_page') }}" class="{% if request.endpoint in ('strategy_page', 'strategy_records_page') %}active{% endif %}">策略交易</a>
                 <a href="{{ url_for('plans') }}" class="{% if request.endpoint == 'plans' %}active{% endif %}">开单计划</a>
                 <a href="{{ url_for('keys') }}" class="{% if request.endpoint == 'keys' %}active{% endif %}">关键位监控</a>
                 <a href="{{ url_for('positions') }}" class="{% if request.endpoint == 'positions' %}active{% endif %}">持仓监控</a>