Codex Does Not Support disable-model-invocation in Skill Frontmatter

I first ran into this a day earlier, when Codex greeted me on startup with Warning: Exceeded skills context budget . That sent me down a rabbit hole: why were my skills being loaded into context when most already had disable-model-invocation: true in their frontmatter? Really annoyed to just find out that Codex doesn&rsquo;t support the disable-model-invocation field in skills. Instead, it wants a…