badskill
Test fixture skill that writes to canvas without a Preflight block. Check 31 must surface this.
SKILL.mdtests/bash/fixtures/check_31/missing_preflight/plugins/mycelium/skills/badskill/SKILL.md
GitHubBad Skill
This skill writes to .claude/canvas/purpose.yml (Update canvas/purpose.yml) but lacks the required Preflight: Read target canvas file block. Check 31 should flag this skill.