feat(workspace): enhance status cards and terminal groups

add memory and disk monitoring cards with richer server metrics
and localized labels in the workspace status panel

group ssh terminal tabs by server with per-group add actions to
make multi-terminal relationships clearer

sync helloagents archive and module documentation for the
completed workspace updates

.helloagents/CHANGELOG.md

@@ -16,6 +16,10 @@
   - 方案: [202603250614_terminal-ansi-color-effects](archive/2026-03/202603250614_terminal-ansi-color-effects/)
 
 ### 新增
+- **[frontend]**: 将服务器状态中的内存与磁盘区域升级为卡片化监控视图，补齐环形内存占比、磁盘设备信息、读写速率与挂载表格展示 — by yinjianm
+  - 方案: [202603252200_server-status-memory-disk-cards](archive/2026-03/202603252200_server-status-memory-disk-cards/)
+- **[backend]**: 扩展 `StatusMonitorService` 的内存/磁盘采集字段，新增缓存、空闲、挂载点、文件系统类型、磁盘设备与磁盘 I/O 速率 — by yinjianm
+  - 方案: [202603252200_server-status-memory-disk-cards](archive/2026-03/202603252200_server-status-memory-disk-cards/)
 - **[frontend]**: 将“黑暗模式”预设与终端默认主题统一调整为黑绿夜间风格 — by yinjianm
   - 方案: [202603250603_dark-green-night-theme](archive/2026-03/202603250603_dark-green-night-theme/)
 - **[backend]**: 将终端文字描边与阴影开关的外观默认值改为开启，与前端回退值保持一致 — by yinjianm
@@ -24,5 +28,9 @@
   - 方案: [202603250636_connections-view-tree-search-redesign](archive/2026-03/202603250636_connections-view-tree-search-redesign/)
 - **[frontend]**: 为连接管理页补充多级标签树、列头排序和行级更多菜单，并支持分组范围与展开状态持久化 — by yinjianm
   - 方案: [202603252152_connections-tree-sort-more-menu](archive/2026-03/202603252152_connections-tree-sort-more-menu/)
+- **[frontend]**: 为连接管理页补树工具栏与展开/收起控制，并将行内次级操作整理进更完整的更多菜单 — by yinjianm
+  - 方案: [202603252220_connections-tree-toolbar-menu-polish](archive/2026-03/202603252220_connections-tree-toolbar-menu-polish/)
 - **[frontend]**: 为同一 SSH 服务器连接补充多终端入口与终端序号标识，默认首次仍只打开一个终端 — by yinjianm
   - 方案: [202603252207_ssh-connection-multi-terminal](archive/2026-03/202603252207_ssh-connection-multi-terminal/)
+- **[frontend]**: 将顶部终端标签栏升级为“服务器组头 + 终端子标签 + 组尾新增按钮”，让同服务器多终端关系更直观 — by yinjianm
+  - 方案: [202603252229_terminal-tab-group-visual](archive/2026-03/202603252229_terminal-tab-group-visual/)