## Changes

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## Documentation Checklist

- [ ] `README.md` updated (if features/install/usage changed)
- [ ] `docs/API_REFERENCE.md` updated (if endpoints changed)
- [ ] `docs/QUICK_START.md` updated (if setup/usage changed)
- [ ] `docs/FAQ.md` updated (if user-facing behavior changed)
- [ ] `cloud/docs/CI_CD_GUIDE.md` updated (if API auth/endpoints changed)
- [ ] `en.json` updated (if UI text added/changed)
- [ ] `ko.json` structure synced with `en.json`
- [ ] `cloud/BACKUP_RECOVERY.md` updated (if DB schema changed)
- [ ] No docs update needed (explain why):
