fix(auth): rename credential file labels and highlight enable action

- Use credential-file terminology in Simplified and Traditional Chinese
- Highlight the Enable button for disabled credentials without dimming actions
- Add regression tests for terminology and button styling

tests/i18n.test.ts

@@ -4,6 +4,18 @@ import { en, ja, zhCN, zhTW, type MessageKey } from '../src/i18n/resources';
 import { jaOverrides } from '../src/i18n/ja';
 
 describe('i18n', () => {
+  it('uses credential-file terminology throughout both Chinese locales', () => {
+    for (const key of ['app.nav.authFiles', 'authFiles.title'] as const) {
+      expect(translate('zh-CN', key)).toBe('凭证文件');
+      expect(translate('zh-TW', key)).toBe('憑證檔案');
+    }
+    expect(translate('zh-CN', 'authFiles.uploaded', { count: 2 })).toBe('已上传 2 个凭证文件');
+    expect(translate('zh-TW', 'authFiles.uploaded', { count: 2 })).toBe('已上傳 2 個憑證檔案');
+    expect(translate('zh-CN', 'quota.fileDisabled')).toBe('凭证文件已停用');
+    expect(Object.values(zhCN).filter((message) => message.includes('认证文件'))).toEqual([]);
+    expect(Object.values(zhTW).filter((message) => /認證(?:檔案|文件)/.test(message))).toEqual([]);
+  });
+
   it('normalizes English variants and keeps Chinese as the fallback', () => {
     expect(normalizeLocale('en-US')).toBe('en');
     expect(normalizeLocale('en')).toBe('en');

tests/operationFeedback.test.ts

@@ -37,10 +37,32 @@ describe('控件自身反馈', () => {
     expect(nonEmptyCalls[0].arguments[1].getText()).toBe("'error'");
   });
 
-  it('认证文件的启用停用由按钮与状态标签反馈', () => {
+  it('凭证文件的启用停用由按钮与状态标签反馈', () => {
     expect(actionCalls('AuthFileManagementPage.tsx', 'toggleStatus', 'showNotice').calls).toHaveLength(0);
   });
 
+  it('停用凭证的启用按钮使用主题高亮，停用操作仍使用次要样式', () => {
+    const file = 'AuthFileManagementPage.tsx';
+    const source = ts.createSourceFile(file, readFileSync(new URL(`../src/pages/${file}`, import.meta.url), 'utf8'), ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX);
+    let button: ts.JsxOpeningElement | undefined;
+    const visit = (node: ts.Node) => {
+      if (ts.isJsxOpeningElement(node) && node.tagName.getText(source) === 'button'
+        && node.attributes.properties.some((attribute) => ts.isJsxAttribute(attribute)
+          && attribute.name.getText(source) === 'onClick'
+          && attribute.initializer?.getText(source).includes('toggleStatus(file)'))) button = node;
+      ts.forEachChild(node, visit);
+    };
+    visit(source);
+    const attributes = button?.attributes.properties.filter(ts.isJsxAttribute);
+    expect(attributes?.find((attribute) => attribute.name.getText(source) === 'className')?.initializer?.getText(source))
+      .toBe("{`${disabled ? 'primary-button' : 'secondary-button'} compact-button`}");
+    expect(attributes?.find((attribute) => attribute.name.getText(source) === 'disabled')?.initializer?.getText(source))
+      .toBe('{busy}');
+    const styles = readFileSync(new URL('../src/styles.css', import.meta.url), 'utf8');
+    expect(styles).toMatch(/\.real-auth-file-row\.disabled\s*>\s*:not\(\.auth-file-actions\)\s*\{\s*opacity:\s*0\.68;/);
+    expect(styles).not.toMatch(/\.real-auth-file-row\.disabled\s*\{[^}]*opacity:/);
+  });
+
   it('开关切换只后台刷新数据，不卸载整张列表和焦点控件', () => {
     for (const [file, action, callback] of [
       ['ApiAccessPage.tsx', 'toggleProvider', 'loadProviders'],