Body discipline: collapsed 4-bullet script rules to single critical callout (no interactive prompts); full contract stays in references/scripts.md. stderr discipline: redirect all confirmation/progress output in new-skill.sh to stderr per scripts.md contract. Also expands references/scripts.md with input validation and --help guidance. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016z2ZFYHQCex8yZAMVMTZzZ