GitLab

- 401 token_invalidated / token_revoked: OAuth token 被永久作废，跳过临时不可调度逻辑，直接 SetError
- 402 deactivated_workspace: 解析 detail.code 字段，标记工作区已停用
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>