fix: synchronize runtime locales and harden online updates

Translate UI, scheduler, validation, preload and maintenance messages dynamically, and propagate locale changes between workers. Harden update checks, downloads and terminal states, verify Debian pnpm, and ignore generated test artifacts.

cli/src/shared/i18n/en.ts

@@ -1,8 +1,13 @@
 // Migrated from shell/lang/en.sh; the original remains for differential evaluation.
 export const english: Record<string, string> = {
-  '需要双因素验证，请调用 user two-factor-login。': 'Two-factor authentication required; use user two-factor-login.',
-  'QL_URL 和 QL_ACCESS_TOKEN 必须同时提供。': 'Provide QL_URL and QL_ACCESS_TOKEN together.',
-  '接口返回 JSON，未保存下载文件。': 'The endpoint returned JSON; no download was saved.',
+  '%s 订阅同步': '%s subscription sync',
+  '新增 %s 个任务，删除 %s 个任务': 'Added %s tasks, removed %s tasks',
+  '需要双因素验证，请调用 user two-factor-login。':
+    'Two-factor authentication required; use user two-factor-login.',
+  'QL_URL 和 QL_ACCESS_TOKEN 必须同时提供。':
+    'Provide QL_URL and QL_ACCESS_TOKEN together.',
+  '接口返回 JSON，未保存下载文件。':
+    'The endpoint returned JSON; no download was saved.',
   '已选择的 CLI 安装路径必须为绝对路径。':
     'The selected CLI installation path must be absolute.',
   '保留 CLI 入口仅支持已确认的 2.x 升级载荷。':
@@ -152,9 +157,12 @@ export const english: Record<string, string> = {
   '应用凭据和 %s 权限': 'application credentials and %s permission',
   未知: 'unknown',
   '请检查%s。': 'Check %s.',
-  '资源冲突，请检查重复的名称或值。': 'Resource conflict; check for duplicate names or values.',
-  '服务端错误，请检查服务状态和日志。': 'Server error; check service status and logs.',
-  '请求未成功，请检查请求参数和服务日志。': 'Request unsuccessful; check request parameters and service logs.',
+  '资源冲突，请检查重复的名称或值。':
+    'Resource conflict; check for duplicate names or values.',
+  '服务端错误，请检查服务状态和日志。':
+    'Server error; check service status and logs.',
+  '请求未成功，请检查请求参数和服务日志。':
+    'Request unsuccessful; check request parameters and service logs.',
   'API 请求失败（%s %s）。%s%s': 'API request failed (%s %s). %s%s',
 
   ' 执行结果可能未知，请先检查%s状态再考虑重试。':
@@ -169,8 +177,7 @@ export const english: Record<string, string> = {
     'API request rejected (code %s). Check %s.',
   'CLI 配置必须是当前用户拥有的私有普通文件（0600）。':
     'CLI config must be an owned private regular file (0600).',
-  'CLI 配置无效，请运行 ql login。':
-    'Invalid CLI config. Run ql login.',
+  'CLI 配置无效，请运行 ql login。': 'Invalid CLI config. Run ql login.',
   '尚未登录，请运行 ql login。': 'Not logged in. Run ql login.',
   '无法读取 CLI 配置，请检查文件权限并运行 ql login。':
     'Cannot read CLI config. Check file permissions and run ql login.',