feat(authFileCard): add disabled state styling and update tests for clarity

src/features/authFiles/components/AuthFileCard.module.scss

@@ -2,7 +2,7 @@
 
 /* ============================================================
  * 凭证卡片 — statTile 配方（14px 圆角 / 1px 边框 / 82% 透感纸面）
- * 身份优先；启停仅由底部开关表达，停用不降低内容对比度。
+ * 身份优先；停用时弱化内容，操作区保持清晰以便重新启用。
  * ============================================================ */
 
 .card {
@@ -23,6 +23,14 @@
   }
 }
 
+.cardDisabled {
+  background: color-mix(in srgb, var(--bg-primary) 55%, var(--bg-tertiary));
+}
+
+.cardDisabled > :not(.actions) {
+  opacity: 0.68;
+}
+
 .cardCompact {
   gap: 10px;
   padding: 13px 14px;

src/features/authFiles/components/AuthFileCard.tsx

@@ -119,6 +119,7 @@ export function AuthFileCard(props: AuthFileCardProps) {
     styles.card,
     compact ? styles.cardCompact : '',
     selected ? styles.cardSelected : '',
+    file.disabled === true ? styles.cardDisabled : '',
     mountEntranceDelayMs != null ? styles.cardEnter : '',
   ]
     .filter(Boolean)

tests/authFileCard.test.ts

@@ -7,6 +7,10 @@ const source = readFileSync(
   new URL('../src/features/authFiles/components/AuthFileCard.tsx', import.meta.url),
   'utf8'
 );
+const styles = readFileSync(
+  new URL('../src/features/authFiles/components/AuthFileCard.module.scss', import.meta.url),
+  'utf8'
+);
 
 describe('auth file card presentation contract', () => {
   test('uses identity rather than logos or duplicate status badges', () => {
@@ -32,6 +36,12 @@ describe('auth file card presentation contract', () => {
     expect(footer).toContain('!isRuntimeOnly &&');
   });
 
+  test('dims disabled card content but keeps the re-enable controls clear', () => {
+    expect(source).toContain("file.disabled === true ? styles.cardDisabled : ''");
+    expect(styles).toMatch(/\.cardDisabled\s*>\s*:not\(\.actions\)\s*\{\s*opacity:\s*0\.68;/);
+    expect(styles).not.toMatch(/\.cardDisabled\s*\{[^}]*opacity:/);
+  });
+
   test('uses a plain-text weight tooltip while preserving the details link', () => {
     expect(source).toContain("title={t('auth_files.weight_tooltip')}");
     expect(source).not.toContain("title={t('auth_files.weight_hint')}");