chore: apply prettier on the entire project

server/tests/unit/services/mfaCrypto.test.ts

@@ -1,3 +1,5 @@
+import { encryptMfaSecret, decryptMfaSecret } from '../../../src/services/mfaCrypto';
+
 import { describe, it, expect, vi } from 'vitest';
 
 // Inline factory to avoid vi.mock hoisting issue (no imported vars allowed)
@@ -7,8 +9,6 @@ vi.mock('../../../src/config', () => ({
   updateJwtSecret: () => {},
 }));
 
-import { encryptMfaSecret, decryptMfaSecret } from '../../../src/services/mfaCrypto';
-
 describe('mfaCrypto', () => {
   const TOTP_SECRET = 'JBSWY3DPEHPK3PXP'; // typical base32 TOTP secret