- Add proposal for primary user per task with OAuth token injection
for sandbox git operations (.context/proposal-task-owner-git-auth.md)
- Document sandbox architecture constraints in CLAUDE.md: single sandbox
per task assumption, OAuth token security implications, git auto-auth
requirement, and git error surfacing rules
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>