fix(i18n): complete Simplified Chinese core and plugin translations (#1542)

* fix(i18n): complete Chinese onboarding and navigation labels

* fix(i18n): translate remaining Chinese core and plugin interfaces

* fix(i18n): translate host editor tab overflow controls

* fix(i18n): use consistent Chinese fleet terminology

* fix(i18n): localize hardcoded controls and plugin views

* fix(i18n): translate built-in homepage widget catalog

* test(homepage): follow translated timezone placeholder

* fix(i18n): translate plugin-provided homepage widgets

* fix(i18n): localize feature settings section titles

plugins/workspaces/locales/translated/zh_CN.json

@@ -2,48 +2,48 @@
   "newUi": {
     "sidebar": {
       "workspaces": {
-        "title": "Workspaces",
-        "saveCurrent": "Save Current",
-        "saveCurrentTitle": "Save Current Workspace",
-        "saveCurrentDescription": "Save every open tab, split layout, and pane arrangement as a new named workspace.",
+        "title": "工作区",
+        "saveCurrent": "保存当前布局",
+        "saveCurrentTitle": "保存当前工作区",
+        "saveCurrentDescription": "将所有打开的标签页、分屏布局和窗格排列保存为新的命名工作区。",
         "nameLabel": "名称",
-        "namePlaceholder": "e.g., Prod Debugging",
-        "nameRequired": "Workspace name is required",
+        "namePlaceholder": "例如：生产环境调试",
+        "nameRequired": "必须填写工作区名称",
         "colorLabel": "颜色",
-        "workspaceCreated": "Workspace saved",
-        "workspaceUpdated": "Workspace updated",
-        "workspaceDeleted": "Workspace deleted",
-        "workspaceDuplicated": "Workspace duplicated",
-        "saveFailed": "Failed to save workspace",
-        "updateFailed": "Failed to update workspace",
-        "deleteFailed": "Failed to delete workspace",
-        "duplicateFailed": "Failed to duplicate workspace",
-        "loadFailed": "Failed to load workspaces",
-        "applyFailed": "Failed to apply workspace",
-        "deleteWorkspaceTitle": "Delete Workspace",
-        "deleteWorkspaceDescription": "Are you sure you want to delete \"{{name}}\"? This cannot be undone.",
-        "noWorkspaces": "No saved workspaces yet. Save your current tab arrangement to get started.",
+        "workspaceCreated": "工作区已保存",
+        "workspaceUpdated": "工作区已更新",
+        "workspaceDeleted": "工作区已删除",
+        "workspaceDuplicated": "工作区已复制",
+        "saveFailed": "保存工作区失败",
+        "updateFailed": "更新工作区失败",
+        "deleteFailed": "删除工作区失败",
+        "duplicateFailed": "复制工作区失败",
+        "loadFailed": "加载工作区失败",
+        "applyFailed": "应用工作区失败",
+        "deleteWorkspaceTitle": "删除工作区",
+        "deleteWorkspaceDescription": "确定删除“{{name}}”？此操作无法撤销。",
+        "noWorkspaces": "尚无已保存的工作区，保存当前标签页布局即可开始使用。",
         "tabCount": "{{count}} 个标签页",
         "tabCount_other": "{{count}} 个标签页",
         "apply": "应用",
-        "applyConfirmTitle": "Apply Workspace",
-        "applyConfirmDescription": "Applying \"{{name}}\" will close your current tabs and replace them with this workspace's saved arrangement. Unsaved changes to your current layout will be lost.",
-        "applyConfirmButton": "Apply Workspace",
-        "updateWithCurrent": "Update with Current",
+        "applyConfirmTitle": "应用工作区",
+        "applyConfirmDescription": "应用“{{name}}”会关闭当前标签页，并替换为此工作区保存的布局。当前布局中未保存的更改将丢失。",
+        "applyConfirmButton": "应用工作区",
+        "updateWithCurrent": "用当前布局更新",
         "updateWithCurrentConfirm": "用您当前的标签页排列覆盖“{{name}}”？",
         "rename": "重命名",
-        "duplicate": "Duplicate",
+        "duplicate": "创建副本",
         "duplicateNameSuffix": "{{name}}（副本）",
-        "setDefault": "Set as Default",
-        "unsetDefault": "Remove as Default",
-        "defaultBadge": "Default",
+        "setDefault": "设为默认",
+        "unsetDefault": "取消默认",
+        "defaultBadge": "默认",
         "lastSession": "上次会话",
-        "lastSessionDescription": "Automatically updated with your most recent tab arrangement. Apply it to recover what you had open.",
-        "lastUsed": "Last used {{time}}",
+        "lastSessionDescription": "自动更新为最近使用的标签页布局。应用此工作区可恢复之前打开的内容。",
+        "lastUsed": "上次使用：{{time}}",
         "neverUsed": "从未应用过",
-        "tabsSkipped": "Workspace applied, but {{count}} tab(s) were skipped because their host no longer exists: {{names}}",
+        "tabsSkipped": "工作区已应用，但有 {{count}} 个标签页因对应主机已不存在而被跳过：{{names}}",
         "timeAgo": {
-          "seconds": "{{count}}s ago",
+          "seconds": "{{count}} 秒前",
           "minutes": "{{count}} 分钟前",
           "hours": "{{count}} 小时前",
           "days": "{{count}} 天前"
@@ -52,16 +52,16 @@
     }
   },
   "nav": {
-    "workspaces": "Workspaces"
+    "workspaces": "工作区"
   },
   "onboarding": {
-    "workflow_workspaces": "Workspaces",
+    "workflow_workspaces": "工作区",
     "workflow_workspaces_desc": "保存当前打开的标签页组合，方便之后一键恢复整个布局。"
   },
   "permissions": {
     "use": {
-      "title": "Use workspaces",
-      "description": "Save, apply and manage saved tab layouts."
+      "title": "使用工作区",
+      "description": "保存、应用和管理标签页布局。"
     }
   },
   "hosts": {