Add lean review issues: up to two problem tags plus short note.

Persist review_issues, enforce max two on save, and show issue breakdown in stats.

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

app/templates/records.html

@@ -46,6 +46,7 @@
         <th>账户</th>
         <th>机器</th>
         <th>入场形式</th>
+        <th>主要问题</th>
         <th></th>
       </tr>
     </thead>
@@ -67,10 +68,17 @@
         <td>{{ t.account_name or '—' }}</td>
         <td>{{ t.machine_name or '—' }}</td>
         <td>{{ t.entry_style or '—' }}</td>
+        <td>
+          {% if t.review_issues_list %}
+            {% for iss in t.review_issues_list %}<span class="tag red" style="margin:1px 2px">{{ iss }}</span>{% endfor %}
+          {% else %}
+            <span class="muted">—</span>
+          {% endif %}
+        </td>
         <td><a href="{{ url_for('record_detail', tid=t.id) }}">打开复盘</a></td>
       </tr>
       {% else %}
-      <tr><td colspan="14" 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>
+      <tr><td colspan="15" 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>