74a0c004eb
Design for making using-git-worktrees, finishing-a-development-branch, and subagent-driven-development skills work in the Codex App's sandboxed worktree environment. Read-only environment detection via git-dir vs git-common-dir comparison, ~48 lines across 4 files, zero breaking changes. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>