Skill amendments Part 1: context economy, interrogation, integrity, scripts

Items 1-16 of brd-skill-amendment-prompt.md: subagents write their own findings; targeted resume reads; per-answer propagation budget; edit hygiene; wind-down rule; confirmation-sweep batching; mechanical coverage strip; rendered read-backs; exploration-aware sequencing; waiting etiquette; red-team dispositions; default-adopted status; mid-session input drops; consistency-check.sh (new); setup-worktrees.sh flags + repos-root discovery; brd-repo path contract. SKILL.md net +15 lines.

Co-Authored-By: Claude Fable 5 noreply@anthropic.com