bruhs - Complete Development Lifecycle

When invoked, ask the user which command to run:

What do you want to do?
○ spawn - Create new project or add to monorepo
○ claim - Claim existing project for bruhs
○ cook - Plan + Build a feature end-to-end
○ yeet - Ship: Linear ticket → Branch → Commit → PR
○ peep - Address PR review comments and merge
○ dip - Clean up after merge and switch to base branch
○ slop - Clean up AI slop (senior engineer code review)