✨ feat(workspace): 增强连接管理与终端状态展示

- 为连接管理页补充多级标签树、列头排序和行级更多菜单
- 支持同一 SSH 连接打开多个终端并显示终端序号
- 补充状态监控的内存与磁盘详情字段

---
✨ feat(workspace): enhance connection management and terminal status visibility

- add multi-level tag tree, sortable columns, and row-level more menu
- support multiple terminals per SSH connection with terminal indices
- extend status monitor with memory and disk detail fields

packages/frontend/src/locales/en-US.json

@@ -1457,7 +1457,10 @@
   },
   "terminalTabBar": {
     "selectServerTitle": "Select server to connect",
-    "showTransferProgressTooltip": "Show/Hide Transfer Progress"
+    "showTransferProgressTooltip": "Show/Hide Transfer Progress",
+    "newTerminalTooltip": "Open another terminal for the current server",
+    "openConnectionPickerTooltip": "Choose another server",
+    "terminalBadge": "Terminal {index}"
   },
   "tabs": {
     "contextMenu": {

packages/frontend/src/locales/ja-JP.json

@@ -1419,7 +1419,10 @@
       },
       "terminalTabBar": {
           "selectServerTitle": "接続するサーバーを選択",
-          "showTransferProgressTooltip": "転送進捗の表示/非表示"
+          "showTransferProgressTooltip": "転送進捗の表示/非表示",
+          "newTerminalTooltip": "現在のサーバーに新しいターミナルを追加",
+          "openConnectionPickerTooltip": "別のサーバーを選択",
+          "terminalBadge": "端末 {index}"
       },
       "workspace": {
         "terminal": {

packages/frontend/src/locales/zh-CN.json

@@ -1461,7 +1461,10 @@
   },
   "terminalTabBar": {
     "selectServerTitle": "选择要连接的服务器",
-    "showTransferProgressTooltip": "显示/隐藏传输进度"
+    "showTransferProgressTooltip": "显示/隐藏传输进度",
+    "newTerminalTooltip": "为当前服务器新增终端",
+    "openConnectionPickerTooltip": "选择其他服务器",
+    "terminalBadge": "终端 {index}"
   },
   "tabs": {
     "contextMenu": {