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.

back/shared/trustProxy.ts

@@ -1,6 +1,7 @@
 import express, { Application, Request } from 'express';
 import { AuthDataType, SystemModel } from '../data/system';
 import { normalizeClientIp } from './clientIp';
+import { t } from './i18n';
 
 const DEFAULT_TRUST_PROXY = 'loopback';
 
@@ -30,10 +31,10 @@ export function resolveTrustProxy(value?: string): TrustProxyValue {
 function validateTrustProxy(value: string): string {
   const setting = normalizeSetting(value);
   if (setting.length > 500 || /[\r\n]/.test(setting)) {
-    throw new Error('trust proxy 配置格式无效');
+    throw new Error(t('trust proxy 配置格式无效'));
   }
   if (/^\d+$/.test(setting) && Number(setting) > 20) {
-    throw new Error('代理层数不能超过 20');
+    throw new Error(t('代理层数不能超过 20'));
   }
 
   const probe = express();
@@ -73,7 +74,7 @@ export async function initializeTrustProxy(app: Application) {
 
 export async function updateTrustProxy(value: string) {
   if (getEnvironmentSetting()) {
-    throw new Error('环境变量 QL_TRUST_PROXY 已生效，系统设置不可覆盖');
+    throw new Error(t('环境变量 QL_TRUST_PROXY 已生效，系统设置不可覆盖'));
   }
 
   const trustProxy = validateTrustProxy(value);
@@ -81,7 +82,7 @@ export async function updateTrustProxy(value: string) {
     where: { type: AuthDataType.systemConfig },
   });
   if (!doc) {
-    throw new Error('系统配置不存在');
+    throw new Error(t('系统配置不存在'));
   }
 
   const plain = doc.get({ plain: true });