gsd-milestone-summary

<objective> Generate a structured milestone summary for team onboarding and project review. Reads completed milestone artifacts (ROADMAP, REQUIREMENTS, CONTEXT, SUMMARY, VERIFICATION files) and produces a human-friendly overview of what was built, how, and why. Purpose: Enable new team members to understand a completed project by reading one document and asking follow-up questions. Output: MILESTONE_SUMMARY written to `.planning/reports/`, presented inline, optional interactive Q&A. </objective> <execution_context> @~/.claude/gsd-core/workflows/milestone-summary.md </execution_context> <context> **Project files:** - `.planning/ROADMAP.md` - `.planning/PROJECT.md` - `.planning/STATE.md` - `.planning/RETROSPECTIVE.md` - `.planning/milestones/v{version}-ROADMAP.md` (if archived) - `.planning/milestones/v{version}-REQUIREMENTS.md` (if archived) - `.planning/phases/*-*/` (SUMMARY.md, VERIFICATION.md, CONTEXT.md, RESEARCH.md) **User input:** - Version: $ARGUMENTS (optional — defaults to current/latest milestone) </context> <process> Execute end-to-end. </process> <success_criteria> - Milestone version resolved (from args, STATE.md, or archive scan) - All available artifacts read (ROADMAP, REQUIREMENTS, CONTEXT, SUMMARY, VERIFICATION, RESEARCH, RETROSPECTIVE) - Summary document written to `.planning/reports/MILESTONE_SUMMARY-v{version}.md` - All 7 sections generated (Overview, Architecture, Phases, Decisions, Requirements, Tech Debt, Getting Started) - Summary presented inline...