feat: BIND DNS Web Manager - Web interface for managing BIND9 DNS server

- Flask + SQLite web app with user authentication
- Zone management: create/delete zones, edit raw zone files
- Record management: add/delete A/AAAA/CNAME/MX/TXT/NS/PTR/SRV/CAA records
- Service control: start/stop/restart/reload BIND via systemctl/rndc
- Configuration editor: edit named.conf.options/local with syntax validation
- DNS query testing: online dig tool
- Audit log: all operations logged with user/timestamp
- BIND9 backend, listening on port 53

templates/logs.html

@@ -0,0 +1,48 @@
+{% extends "base.html" %}
+{% block title %}操作日志 - DNS{% endblock %}
+{% block content %}
+<div class="page-header">
+    <h1>操作日志</h1>
+</div>
+
+<div class="card">
+    <div class="card-body">
+        {% if logs %}
+        <table class="table">
+            <thead>
+                <tr>
+                    <th>ID</th>
+                    <th>时间</th>
+                    <th>用户</th>
+                    <th>操作</th>
+                    <th>详情</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for log in logs %}
+                <tr>
+                    <td class="text-muted">{{ log.id }}</td>
+                    <td class="text-mono text-sm">{{ log.timestamp.strftime('%Y-%m-%d %H:%M:%S') }}</td>
+                    <td>{{ log.user }}</td>
+                    <td>{{ log.action }}</td>
+                    <td class="text-mono text-sm">{{ log.detail }}</td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+
+        <div class="pagination">
+            {% if pagination.has_prev %}
+            <a href="{{ url_for('logs', page=pagination.prev_num) }}" class="btn-sm btn-secondary">← 上一页</a>
+            {% endif %}
+            <span class="page-info">第 {{ pagination.page }} / {{ pagination.pages }} 页 (共 {{ pagination.total }} 条)</span>
+            {% if pagination.has_next %}
+            <a href="{{ url_for('logs', page=pagination.next_num) }}" class="btn-sm btn-secondary">下一页 →</a>
+            {% endif %}
+        </div>
+        {% else %}
+        <div class="empty-state"><p>暂无操作记录</p></div>
+        {% endif %}
+    </div>
+</div>
+{% endblock %}