Interactive walkthrough of the claude() zsh wrapper (SIGTTIN / job-control
prevention + /dev/tty self-heal), with a startup-race simulator and quiz.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012fwBQdNPJPgKR3gcDZLRjo