feat: 实现会话管理功能

- 实现会话列表 API
- 实现会话详情 API
- 实现终止会话 API
- 添加会话管理页面 UI
- 添加会话管理样式
- 添加会话管理交互脚本

static/css/dashboard.css

@@ -436,6 +436,229 @@ body {
     color: var(--text-secondary);
 }
 
+/* 会话管理 */
+.section-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    margin-bottom: 20px;
+}
+
+.btn-refresh {
+    padding: 8px 16px;
+    background: var(--primary-color);
+    color: white;
+    border: none;
+    border-radius: 8px;
+    font-size: 14px;
+    cursor: pointer;
+    transition: opacity 0.3s;
+}
+
+.btn-refresh:hover {
+    opacity: 0.8;
+}
+
+.sessions-list {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+}
+
+.session-card {
+    background: var(--card-bg);
+    border-radius: 10px;
+    padding: 16px 20px;
+    border: 1px solid var(--border-color);
+    display: flex;
+    align-items: center;
+    gap: 15px;
+    transition: all 0.3s ease;
+}
+
+.session-card:hover {
+    transform: translateX(4px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.session-icon {
+    font-size: 28px;
+}
+
+.session-info {
+    flex: 1;
+}
+
+.session-name {
+    font-size: 15px;
+    font-weight: 500;
+    color: var(--text-primary);
+    margin-bottom: 4px;
+}
+
+.session-meta {
+    font-size: 13px;
+    color: var(--text-secondary);
+}
+
+.session-status {
+    padding: 4px 10px;
+    border-radius: 12px;
+    font-size: 12px;
+    font-weight: 500;
+}
+
+.session-status.active {
+    background: rgba(72, 187, 120, 0.2);
+    color: var(--success-color);
+}
+
+.session-actions {
+    display: flex;
+    gap: 8px;
+}
+
+.btn-view, .btn-kill {
+    padding: 6px 12px;
+    border: none;
+    border-radius: 6px;
+    font-size: 13px;
+    cursor: pointer;
+    transition: opacity 0.3s;
+}
+
+.btn-view {
+    background: var(--primary-color);
+    color: white;
+}
+
+.btn-kill {
+    background: var(--danger-color);
+    color: white;
+}
+
+.btn-view:hover, .btn-kill:hover {
+    opacity: 0.8;
+}
+
+/* 模态框 */
+.modal {
+    display: none;
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(0, 0, 0, 0.5);
+    z-index: 1000;
+    align-items: center;
+    justify-content: center;
+}
+
+.modal.show {
+    display: flex;
+}
+
+.modal-content {
+    background: var(--card-bg);
+    border-radius: 12px;
+    width: 90%;
+    max-width: 600px;
+    max-height: 80vh;
+    overflow: hidden;
+}
+
+.modal-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 16px 20px;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.modal-header h3 {
+    font-size: 18px;
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.modal-close {
+    width: 32px;
+    height: 32px;
+    border: none;
+    background: none;
+    font-size: 24px;
+    cursor: pointer;
+    color: var(--text-secondary);
+}
+
+.modal-body {
+    padding: 20px;
+    max-height: 50vh;
+    overflow-y: auto;
+}
+
+.modal-footer {
+    display: flex;
+    justify-content: flex-end;
+    gap: 10px;
+    padding: 16px 20px;
+    border-top: 1px solid var(--border-color);
+}
+
+.btn-danger, .btn-secondary {
+    padding: 8px 16px;
+    border: none;
+    border-radius: 8px;
+    font-size: 14px;
+    cursor: pointer;
+    transition: opacity 0.3s;
+}
+
+.btn-danger {
+    background: var(--danger-color);
+    color: white;
+}
+
+.btn-secondary {
+    background: var(--border-color);
+    color: var(--text-primary);
+}
+
+.btn-danger:hover, .btn-secondary:hover {
+    opacity: 0.8;
+}
+
+/* 详情列表 */
+.detail-list {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+}
+
+.detail-item {
+    display: flex;
+    padding: 10px 0;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.detail-item:last-child {
+    border-bottom: none;
+}
+
+.detail-label {
+    width: 120px;
+    color: var(--text-secondary);
+    font-size: 14px;
+}
+
+.detail-value {
+    flex: 1;
+    color: var(--text-primary);
+    font-size: 14px;
+    word-break: break-all;
+}
+
 /* 响应式 */
 @media (max-width: 768px) {
     .sidebar {