skill:update

Compatibility: AskUserQuestion falls back to numbered list on non-Claude-Code platforms.

Skill Requirements

command -v npx >/dev/null 2>&1 || echo "MISSING: npx"

Critical Rules

• Never modify skill files directly — always produce a plan first, accept it, then apply
• Read the current SKILL.md in full before proposing anything
• If target is ambiguous, ask the user

Step 0: Parse arguments

SKILL_NAME="${1:-}"