* feat(skills): feature-spec impact analysis + 8th SDD section * feat(tools): validate 8th SDD section in create-issue * test(tools): cover 8th SDD section in create-issue tests --------- Co-authored-by: opencode-agent <agent@opencode.local>
* feat(feature-spec): add SDD-style Q&A skill for feature planning * docs(pr-172): add handoff, ADR-072, update project-map --------- Co-authored-by: opencode-agent <agent@opencode.local>