Add files via upload

Author: Mr-xn

frontend/index.html

@@ -374,6 +374,41 @@ <h2 class="settings-title">
                     </div>
                 </div>
 
+                <!-- 诊断日志 -->
+                <div class="settings-section">
+                    <div class="settings-section-header">
+                        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="8" y1="13" x2="16" y2="13"/><line x1="8" y1="17" x2="14" y2="17"/></svg>
+                        <span>诊断日志</span>
+                    </div>
+                    <div class="settings-toggle-row">
+                        <div>
+                            <span class="settings-toggle-label">启用诊断日志</span>
+                            <span class="settings-toggle-desc">记录请求、代理、更新检测、缓存和下载等运行状态，默认关闭</span>
+                        </div>
+                        <label class="toggle-switch">
+                            <input type="checkbox" id="loggingEnabled">
+                            <span class="toggle-slider"></span>
+                        </label>
+                    </div>
+                    <div class="settings-field">
+                        <label>日志等级</label>
+                        <select class="settings-input" id="loggingLevel">
+                            <option value="error">错误</option>
+                            <option value="warn">警告</option>
+                            <option value="info">信息</option>
+                            <option value="debug">调试（完整 URL，可能包含 API Key）</option>
+                        </select>
+                    </div>
+                    <div class="settings-btn-row">
+                        <button class="btn btn-sm" id="refreshLogsBtn">刷新日志</button>
+                        <button class="btn btn-sm" id="exportLogsBtn">导出日志</button>
+                        <button class="btn btn-sm" id="clearLogsBtn">清空日志</button>
+                    </div>
+                    <div class="log-viewer" id="logViewer">
+                        <div class="log-empty">日志未启用或暂无日志</div>
+                    </div>
+                </div>
+
                 <!-- 代理设置 -->
                 <div class="settings-section">
                     <div class="settings-section-header">