Add machine filter on trade records and review list.

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

app/templates/records.html

@@ -2,7 +2,27 @@
 {% block title %}交易复盘 · {{ app_name }}{% endblock %}
 {% block content %}
 <h2 style="margin:0 0 6px">交易记录与复盘</h2>
-<p class="muted" style="margin:0 0 14px">参考 crypto_monitor 复盘流程：列表筛选 → 点开详情 → 四周期 K 线 + 入场形式标注。</p>
+<p class="muted" style="margin:0 0 14px">列表可按机器筛选 → 点开详情 → 四周期 K 线 + 入场形式标注。</p>
+
+<div class="card" style="margin-bottom:14px">
+  <form method="get" action="{{ url_for('records_page') }}" style="display:flex;gap:10px;align-items:center;flex-wrap:wrap">
+    <label class="muted" for="machine_id">机器</label>
+    <select name="machine_id" id="machine_id" style="min-width:200px">
+      <option value="">全部机器</option>
+      {% for m in machines %}
+      <option value="{{ m.id }}" {% if selected_machine_id == m.id %}selected{% endif %}>
+        {{ m.name }} #{{ m.id }}{% if m.online %} · 在线{% endif %}
+      </option>
+      {% endfor %}
+    </select>
+    <button type="submit" class="btn">筛选</button>
+    {% if selected_machine_id %}
+    <a class="btn secondary" href="{{ url_for('records_page') }}">清除</a>
+    {% endif %}
+    <span class="muted">共 {{ trades|length }} 条</span>
+  </form>
+</div>
+
 <div class="card">
   <table>
     <thead>
@@ -29,7 +49,7 @@
         <td><a href="{{ url_for('record_detail', tid=t.id) }}">打开复盘</a></td>
       </tr>
       {% else %}
-      <tr><td colspan="11" class="muted">暂无数据。客户端上报成交后出现在此。</td></tr>
+      <tr><td colspan="11" class="muted">暂无数据。{% if selected_machine_id %}当前机器下没有成交。{% else %}客户端上报成交后出现在此。{% endif %}</td></tr>
       {% endfor %}
     </tbody>
   </table>