feat: instance system settings page with risk docs, export and transfer

顶栏新增系统设置；风控说明读取 .env；数据导出与资金划转迁入三张卡片；顶栏移除导出条与手动划转。

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

lib/instance/templates/embed_shell.html

@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/static/instance_theme_early.css?v=4">
     <link rel="stylesheet" href="/static/account_risk_badge.css?v=4">
     <link rel="stylesheet" href="/static/instance_page.css?v=3">
-    <link rel="stylesheet" href="/static/instance_theme.css?v=53">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=54">
     <script src="/static/account_risk_badge.js?v=4"></script>
     <meta name="theme-color" content="#0b0d14">
     <title>{{ exchange_display }} · 加密货币 | 交易监控复盘系统</title>
@@ -56,6 +56,7 @@
         {% endif %}
         <a href="/records" data-embed-tab="records" class="{% if initial_tab == 'records' %}active{% endif %}">交易记录与复盘</a>
         <a href="/stats" data-embed-tab="stats" class="{% if initial_tab == 'stats' %}active{% endif %}">统计分析</a>
+        <a href="/settings" data-embed-tab="settings" class="{% if initial_tab == 'settings' %}active{% endif %}">系统设置</a>
     </nav>
     <div id="embed-flash" class="flash" style="display:none" role="status"></div>
 
@@ -76,13 +77,6 @@
         <button type="button" style="padding:6px 12px" onclick="applyListWindow()">应用</button>
         <span style="color:#8892b0;font-size:.75rem">统计页仍按北京时间 {{ stats_bundle.stats_reset_hour|default(reset_hour) }}:00 切日</span>
     </div>
-    <div class="export-bar instance-desktop-only">
-        <span style="color:#9aa">数据导出（v{{ data_export_version }} CSV，UTF-8；交易记录含开仓类型列，复盘单独导出）：</span>
-        <a href="/export/trade_records">交易记录</a>
-        <a href="/export/journal_entries">复盘记录</a>
-        <a href="/export/key_monitors">关键位(当前)</a>
-        <a href="/export/key_monitor_history">关键位历史</a>
-    </div>
     <div class="stat-box instance-desktop-only">
         <div class="stat-item"><div class="label">交易所</div><div class="value">{{ exchange_display }}</div></div>
         <div class="stat-item"><div class="label">总交易</div><div class="value" id="stat-total">{{ total }}</div></div>
@@ -91,7 +85,7 @@
         <div class="stat-item"><div class="label">交易日</div><div class="value">{{ trading_day }}</div></div>
         <div class="stat-item"><div class="label">当日资金(交易账户)</div><div class="value" id="current-capital">{{ funds_fmt(current_capital) }}U</div></div>
     </div>
-    {% if include_transfer_block %}
+    {% if initial_tab != 'settings' and include_transfer_block %}
     {% include 'instance_top_bar.html' %}
     {% endif %}
 
@@ -135,6 +129,6 @@ const ORDER_ENTRY_MODEL_CODE_TO_CATEGORY = {{ entry_model_code_to_category | toj
 <script src="/static/strategy_roll.js?v=6"></script>
 <script src="/static/key_monitor_form.js?v=2"></script>
 {% include 'embed_boot_scripts.html' %}
-<script src="/static/instance_embed.js?v=6"></script>
+<script src="/static/instance_embed.js?v=7"></script>
 </body>
 </html>