- 迁移 4 个 emails 相关 API 到 controllers/emails.py: - api_get_emails - api_delete_emails - api_get_email_detail - api_extract_verification - 更新 routes/emails.py 移除 impl 参数 - 更新测试用例以 mock repositories 和 services 模块 - 保持 Graph API → IMAP 回退机制 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>