Thrunt milestone summary

<objective> Generate a structured milestone summary for team onboarding and project review. Reads completed milestone artifacts (HUNTMAP, HYPOTHESES, 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> @.github/thrunt-god/workflows/milestone-summary.md </execution_context>

<context> **Project files:** - `.planning/HUNTMAP.md` - `.planning/MISSION.md` - `.planning/STATE.md` - `.planning/RETROSPECTIVE.md` - `.planning/milestones/v{version}-HUNTMAP.md` (if archived) - `.planning/milestones/v{version}-HYPOTHESES.md` (if archived) - `.planning/phases/*-*/` (SUMMARY.md, FINDINGS.md, CONTEXT.md, RESEARCH.md)

User input:

• Version: $ARGUMENTS (optional — defaults to current/latest milestone) </context>

<process> Read and execute the milestone-summary workflow from @.github/thrunt-god/workflows/milestone-summary.md end-to-end. </process>

<success_criteria>

• Milestone version resolved (from args, STATE.md, or archive scan)
• All available artifacts read (HUNTMAP, HYPOTHESES, CONTEXT, SUMMARY, VERIFICATION, RESEARCH, RETROSPECTIVE)
• Summary document written to .planning/reports/MILESTONE_SUMMARY-v{version}.md
• All 7 sections generated (Overview, Architecture, Phases, Decisions, Hypotheses, Tech Debt, Getting Started)
• Summary presented inline to user
• Interactive Q&A offered
• STATE.md updated </success_criteria>