I did not understand what this Claude Code buddy thing was so I got Jarvis to write a manual:
https://wasnotwas.com/writing/how-claude-code-s-buddy-works/
How Claude Code's Buddy Works — wasnotwas
A source-level walkthrough of Claude Code's buddy feature: deterministic selection, LLM-generated naming, backend reactions, UI rendering, and rollout gates.
Sam Saffron