fix: remove unsupported frontmatter attributes from SKILL.md

[luckyjc]

Remove 'argument-hint' and 'disable-model-invocation' from the skill frontmatter as they are not supported attributes. Claude Code skill files only support: name, description, compatibility, license, and metadata.

Arguments are still passed via $ARGUMENTS and work without argument-hint.

Big fan of your content, thanks for putting this together! 🙌

[joel]

Actually, this is not true:

The official documentation says: https://code.claude.com/docs/en/skills#frontmatter-reference

Here's the complete list from the official Claude Code docs:

Field	Required	Description
name	No	Display name for the skill. Uses directory name if omitted. Lowercase letters, numbers, hyphens only (max 64 chars).
description	Recommended	What the skill does and when to use it. Claude uses this for triggering decisions. Falls back to first markdown paragraph if omitted.
argument-hint	No	Hint shown during autocomplete for expected arguments (e.g., [issue-number] or [filename] [format]).
disable-model-invocation	No	Set to true to prevent Claude from auto-loading the skill. Use for manual /name workflows only. Default: false.
user-invocable	No	Set to false to hide from the / menu. Use for background knowledge users shouldn't invoke directly. Default: true.
allowed-tools	No	Tools Claude can use without asking permission when this skill is active.
model	No	Model to use when this skill is active.
context	No	Set to fork to run in a forked subagent context.
agent	No	Which subagent type to use when context: fork is set.
hooks	No	Hooks scoped to this skill's lifecycle. See Hooks in skills and agents for configuration format.

So 10 supported fields total, and none of them are strictly required (though description is strongly recommended).