feat(account): 添加批量编辑账户凭据功能并优化 CRS 同步

- 新增批量更新账户凭据接口(account_uuid/org_uuid/intercept_warmup_requests)
- 新增前端批量编辑模态框组件
- 优化 CRS 同步逻辑，改进 extra 字段处理
- 优化 CRS 同步 UI，添加更详细的结果展示
- 完善国际化文案(中英文)

frontend/src/i18n/locales/en.ts

@@ -745,6 +745,31 @@ export default {
       tokenRefreshed: 'Token refreshed successfully',
       accountDeleted: 'Account deleted successfully',
       rateLimitCleared: 'Rate limit cleared successfully',
+      bulkActions: {
+        selected: '{count} account(s) selected',
+        selectCurrentPage: 'Select this page',
+        clear: 'Clear selection',
+        edit: 'Bulk Edit',
+        delete: 'Bulk Delete',
+      },
+      bulkEdit: {
+        title: 'Bulk Edit Accounts',
+        selectionInfo: '{count} account(s) selected. Only checked or filled fields will be updated; others stay unchanged.',
+        baseUrlPlaceholder: 'https://api.anthropic.com or https://api.openai.com',
+        baseUrlNotice: 'Applies to API Key accounts only; leave empty to use the platform default',
+        submit: 'Update Accounts',
+        updating: 'Updating...',
+        success: 'Updated {count} account(s)',
+        partialSuccess: 'Partially updated: {success} succeeded, {failed} failed',
+        failed: 'Bulk update failed',
+        noSelection: 'Please select accounts to edit',
+        noFieldsSelected: 'Select at least one field to update',
+      },
+      bulkDeleteTitle: 'Bulk Delete Accounts',
+      bulkDeleteConfirm: 'Delete the selected {count} account(s)? This action cannot be undone.',
+      bulkDeleteSuccess: 'Deleted {count} account(s)',
+      bulkDeletePartial: 'Partially deleted: {success} succeeded, {failed} failed',
+      bulkDeleteFailed: 'Bulk delete failed',
       resetStatus: 'Reset Status',
       statusReset: 'Account status reset successfully',
       failedToResetStatus: 'Failed to reset account status',