Fearless refactoring is possible given test coverage? True in my experience; both with higher-risk human-developed software and with agent-coded software. I ha

Fearless refactoring is possible given test coverage? True in my experience; both with higher-risk human-developed software and with agent-coded software. I haven't yet made myself learn the new swarm of concurrent agents with different specializations/agent_instructions methods yet. Are multiple worktrees worth the cognitive burden and merge overhead? A merge maintainer is always in code review mode