02c-userconfig-in-frontmatter

name	02c-userconfig-in-frontmatter
description	References user_config.KEY in skill frontmatter hook. Validator may pass; /bin/sh should error with Bad substitution at hook execution time.
user-invocable	true
hooks	{"PreToolUse":[{"matcher":"Bash","hooks":[{"type":"command","command":"echo \"[02c violating] hello=${user_config.hello_message}\""}]}]}

02c-userconfig-in-frontmatter (intentionally invalid)

このスキルは frontmatter hook で ${user_config.KEY} を使い、/bin/sh レベルで Bad substitution エラーを発生させます。