feat(history): complete messaging core before multi-account gateways

server/test/business.test.js

@@ -1,6 +1,7 @@
 import test from 'node:test'
 import assert from 'node:assert/strict'
 import { countBy, dateKey, percent, telegramAttachment } from '../src/business.js'
+import { decryptEmailPassword, encryptEmailPassword } from '../src/email.js'
 
 test('Telegram 图片、文档、语音和贴纸映射为可下载文件', () => {
   assert.deepEqual(
@@ -42,3 +43,12 @@ test('业务指标工具处理百分比、分组和无效日期', () => {
     { new: 2, won: 1 },
   )
 })
+
+test('Email 渠道凭据使用认证加密且可正确解密', () => {
+  process.env.EMAIL_CREDENTIAL_KEY = 'lingxi-email-test-key-with-more-than-32-bytes'
+  const encrypted = encryptEmailPassword('app-password-123')
+  assert.notEqual(encrypted, 'app-password-123')
+  assert.match(encrypted, /^v1:/)
+  assert.equal(decryptEmailPassword(encrypted), 'app-password-123')
+  assert.throws(() => decryptEmailPassword(`${encrypted.slice(0, -1)}x`))
+})