<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
, 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)