feat: 增加本地测评档案与长期追踪

lib/backup-crypto.test.ts

@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest';
+import { decryptBackup, encryptBackup } from '@/lib/backup-crypto';
+import { MindScopeBackup } from '@/lib/assessment-types';
+
+const backup: MindScopeBackup = {
+  format: 'mindscope-backup',
+  version: 1,
+  exportedAt: '2026-06-23T00:00:00.000Z',
+  profiles: [],
+  records: [],
+};
+
+describe('encrypted backups', () => {
+  it('round trips a backup with the correct password', async () => {
+    const encrypted = await encryptBackup(backup, 'correct-password');
+    expect(encrypted.data).not.toContain('mindscope-backup');
+    await expect(decryptBackup(encrypted, 'correct-password')).resolves.toEqual(backup);
+  });
+
+  it('rejects an incorrect password', async () => {
+    const encrypted = await encryptBackup(backup, 'correct-password');
+    await expect(decryptBackup(encrypted, 'wrong-password')).rejects.toThrow('密码错误');
+  });
+});