chore: CRS迁移功能增加版本提示

frontend/src/i18n/locales/en.ts

@@ -697,6 +697,7 @@ export default {
       syncFromCrsTitle: 'Sync Accounts from CRS',
       syncFromCrsDesc:
         'Sync accounts from claude-relay-service (CRS) into this system (CRS is called server-to-server).',
+      crsVersionRequirement: '⚠️ Note: CRS version must be ≥ v1.1.240 to support this feature',
       crsBaseUrl: 'CRS Base URL',
       crsBaseUrlPlaceholder: 'e.g. http://127.0.0.1:3000',
       crsUsername: 'Username',

frontend/src/i18n/locales/zh.ts

@@ -785,6 +785,7 @@ export default {
       syncFromCrsTitle: '从 CRS 同步账号',
       syncFromCrsDesc:
         '将 claude-relay-service（CRS）中的账号同步到当前系统（不会在浏览器侧直接请求 CRS）。',
+      crsVersionRequirement: '⚠️ 注意：CRS 版本必须 ≥ v1.1.240 才支持此功能',
       crsBaseUrl: 'CRS 服务地址',
       crsBaseUrlPlaceholder: '例如：http://127.0.0.1:3000',
       crsUsername: '用户名',