Build the account layer next.

1. Product auth

사용자별 license, device token, Bearer token 인증.

2. Usage tracking

Cloud 요청별 duration, word count, monthly rollup.

3. Website billing

회원가입, 결제, token 발급, 사용량 대시보드.

4. macOS release

DMG, signing, notarization, auto-update.