Complete scrum pipeline for GitHub — scaffolds a GitHub Project board with epics, stories, custom fields, and views directly from a PRD, then manages the full sprint lifecycle: planning, status tracking, and releases. Claude works stories autonomously via branching, PRs, and auto-merge to release branches while you review one PR per sprint. Includes full-project emulation testing that validates integration seams, layer contracts, and cross-service payload mismatches before ...