Git

Class 3. Apps That Don't Break — Hurl, Git, CI/CD
Declare API contracts with Hurl, create save points with Git, automate verification with CI/CD. When the three combine, they become a ratchet — a gear that only moves forward and never backward.

whyso — What git blame doesn't tell you
git blame tells you who changed what and when. whyso tells you why. A tool that automatically extracts per-file change history from Claude Code session data.