feat: 导航开关与 CTP 柜台手续费

系统设置可开关五类导航；手续费默认从 CTP 查询同步，本地/AKShare 作离线兜底；补充 FEES.md。

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

templates/base.html

@@ -484,14 +484,14 @@
             <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('positions') }}" class="{% if request.endpoint in ('positions', 'trade_page', 'recommend_page') %}active{% endif %}">持仓监控</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>
+                {% if nav_items.strategy %}<a href="{{ url_for('strategy_page') }}" class="{% if request.endpoint in ('strategy_page', 'strategy_records_page') %}active{% endif %}">策略交易</a>{% endif %}
+                {% if nav_items.plans %}<a href="{{ url_for('plans') }}" class="{% if request.endpoint == 'plans' %}active{% endif %}">开单计划</a>{% endif %}
                 <a href="{{ url_for('keys') }}" class="{% if request.endpoint == 'keys' %}active{% endif %}">关键位监控</a>
-                <a href="{{ url_for('market_page') }}" class="{% if request.endpoint == 'market_page' %}active{% endif %}">行情K线</a>
+                {% if nav_items.market %}<a href="{{ url_for('market_page') }}" class="{% if request.endpoint == 'market_page' %}active{% endif %}">行情K线</a>{% endif %}
                 <a href="{{ url_for('records') }}" class="{% if request.endpoint in ('records', 'trades') %}active{% endif %}">交易记录与复盘</a>
                 <a href="{{ url_for('stats') }}" class="{% if request.endpoint == 'stats' %}active{% endif %}">统计分析</a>
-                <a href="{{ url_for('fees') }}" class="{% if request.endpoint == 'fees' %}active{% endif %}">手续费配置</a>
-                <a href="{{ url_for('contract_profile_page') }}" class="{% if request.endpoint == 'contract_profile_page' %}active{% endif %}">品种简介</a>
+                {% if nav_items.fees %}<a href="{{ url_for('fees') }}" class="{% if request.endpoint == 'fees' %}active{% endif %}">手续费配置</a>{% endif %}
+                {% if nav_items.contract %}<a href="{{ url_for('contract_profile_page') }}" class="{% if request.endpoint == 'contract_profile_page' %}active{% endif %}">品种简介</a>{% endif %}
                 <a href="{{ url_for('settings') }}" class="{% if request.endpoint == 'settings' %}active{% endif %}">系统设置</a>
             </nav>
         </header>

templates/fees.html

@@ -2,7 +2,37 @@
 {% block title %}手续费配置 - 国内期货监控系统{% endblock %}
 {% block content %}
 <div class="card">
-    <h2>手续费倍率</h2>
+    <h2>手续费数据源</h2>
+    <div class="card-body">
+        <form action="{{ url_for('fees') }}" method="post" class="form-row" style="flex-wrap:wrap;gap:.75rem;align-items:center">
+            <input type="hidden" name="action" value="fee_source">
+            <label class="text-muted" style="font-size:.85rem">计费依据</label>
+            <select name="fee_source_mode" style="min-width:220px">
+                <option value="ctp" {% if fee_source_mode == 'ctp' %}selected{% endif %}>CTP 柜台（SimNow/实盘，推荐）</option>
+                <option value="local" {% if fee_source_mode == 'local' %}selected{% endif %}>本地 / AKShare 参考表</option>
+            </select>
+            <button type="submit" class="btn-primary">保存</button>
+        </form>
+        <p class="hint" style="margin-top:.75rem">
+            默认使用 <strong>CTP 柜台</strong> 查询到的开仓/平仓费率（连接 CTP 后自动同步，与 SimNow/期货公司一致）。
+            离线或未连接时可改用本地表估算。
+        </p>
+        <div class="form-row" style="margin-top:.75rem;flex-wrap:wrap;gap:.5rem">
+            <form action="{{ url_for('fees') }}" method="post" style="display:inline">
+                <input type="hidden" name="action" value="sync_ctp">
+                <button type="submit" class="btn-primary" {% if not ctp_connected %}disabled title="请先连接 CTP"{% endif %}>从 CTP 同步费率</button>
+            </form>
+            {% if ctp_connected %}
+            <span class="badge profit">CTP 已连接</span>
+            {% else %}
+            <span class="badge planned">CTP 未连接 — 请先连接后再同步</span>
+            {% endif %}
+        </div>
+    </div>
+</div>
+
+<div class="card">
+    <h2>本地参考倍率（仅「本地数据源」时使用）</h2>
     <div class="card-body">
         <form action="{{ url_for('fees') }}" method="post" class="form-row">
             <input type="hidden" name="action" value="multiplier">
@@ -10,27 +40,26 @@
             <input name="fee_multiplier" type="number" step="0.1" min="0" value="{{ multiplier }}" style="width:100px">
             <button type="submit" class="btn-primary">保存倍率</button>
         </form>
-        <p class="hint">默认 2 倍：从第三方拉取交易所参考标准后自动乘以该倍率写入本地表。模拟盘估算用，非实盘账单。</p>
         <div class="form-row" style="margin-top:.75rem">
             <form action="{{ url_for('fees') }}" method="post" style="display:inline">
                 <input type="hidden" name="action" value="sync">
-                <button type="submit" class="btn-primary">从第三方同步（AKShare）</button>
+                <button type="submit" class="btn-secondary">从 AKShare 同步（本地）</button>
             </form>
             <form action="{{ url_for('fees') }}" method="post" style="display:inline">
                 <input type="hidden" name="action" value="reload_json">
-                <button type="submit" class="btn-link" style="padding:.5rem 1rem;border:1px solid var(--card-border);border-radius:8px">重载本地 JSON 默认表</button>
+                <button type="submit" class="btn-link" style="padding:.5rem 1rem;border:1px solid var(--card-border);border-radius:8px">重载 JSON 默认表</button>
             </form>
         </div>
     </div>
 </div>
 
 <div class="card">
-    <h2>品种费率表（已含倍率）</h2>
+    <h2>品种费率表</h2>
     <div class="card-body card-scroll">
         <table class="trade-table">
             <thead>
                 <tr>
-                    <th>品种</th><th>交易所</th><th>乘数</th>
+                    <th>品种</th><th>来源</th><th>交易所</th><th>乘数</th>
                     <th>开仓(元/手)</th><th>开仓(比例)</th>
                     <th>平昨(元/手)</th><th>平昨(比例)</th>
                     <th>平今(元/手)</th><th>平今(比例)</th>
@@ -44,6 +73,7 @@
                         <input type="hidden" name="action" value="save_row">
                         <input type="hidden" name="product" value="{{ r.product }}">
                         <td><strong>{{ r.product }}</strong></td>
+                        <td><span class="badge {% if r.source == 'ctp' %}profit{% else %}planned{% endif %}">{{ r.source or 'local' }}</span></td>
                         <td><input name="exchange" value="{{ r.exchange or '' }}" style="width:72px;padding:.3rem"></td>
                         <td><input name="mult" type="number" value="{{ r.mult }}" style="width:56px;padding:.3rem"></td>
                         <td><input name="open_fixed" type="number" step="0.0001" value="{{ r.open_fixed }}" style="width:72px;padding:.3rem"></td>
@@ -57,11 +87,13 @@
                     </form>
                 </tr>
                 {% else %}
-                <tr><td colspan="11" class="text-muted">暂无费率，请同步或重载 JSON</td></tr>
+                <tr><td colspan="12" class="text-muted">暂无费率，请连接 CTP 后同步</td></tr>
                 {% endfor %}
             </tbody>
         </table>
     </div>
-    <p class="hint" style="margin-top:.75rem">比例按「成交价×乘数×手数×比例」计费；元/手为固定每手。开+平合计为一笔往返手续费。</p>
+    <p class="hint" style="margin-top:.75rem">
+        公式：单边手续费 = 固定(元/手)×手数 + 比例×价格×乘数×手数。往返 = 开仓 + 平仓（平今/平昨自动判断）。
+    </p>
 </div>
 {% endblock %}

templates/settings.html

@@ -2,6 +2,23 @@
 {% block title %}系统设置 - 国内期货监控系统{% endblock %}
 {% block content %}
 
+<div class="card">
+    <h2>导航显示</h2>
+    <form action="{{ url_for('settings') }}" method="post">
+        <input type="hidden" name="action" value="nav">
+        <p class="hint" style="margin-bottom:.75rem">关闭后顶栏隐藏对应入口，直接访问 URL 也会跳转回持仓监控。</p>
+        <div class="form-grid" style="max-width:640px;grid-template-columns:1fr 1fr">
+            {% for key, label in nav_toggles.items() %}
+            <label class="field" style="display:flex;align-items:center;gap:.5rem;cursor:pointer">
+                <input type="checkbox" name="nav_{{ key }}" {% if nav_items[key] %}checked{% endif %}>
+                <span>{{ label }}</span>
+            </label>
+            {% endfor %}
+        </div>
+        <button type="submit" class="btn-primary" style="margin-top:.75rem">保存导航</button>
+    </form>
+</div>
+
 <div class="card">
     <h2>交易模式</h2>
     <form action="{{ url_for('settings') }}" method="post">