Agent Skills: shape-up-analysis

Analyze a Shape Up pitch document alongside a codebase to identify risks, rabbit holes, and unknowns. Produces comprehensive kickoff analysis with bet confidence rating. Use when asked to "analyze this pitch", "review Shape Up pitch", "kickoff analysis", "identify risks in this pitch", "what are the rabbit holes", "assess this bet", "prepare project kickoff", "evaluate this pitch", or when starting a new Shape Up cycle and need to understand scope vs codebase reality.