pub fn combine(
family: &SkillCapability,
skill: &SkillCapability,
) -> SkillCapabilityExpand description
Combine a family-level probe with a tool-level probe into the effective
capability of one tool. Family Unavailable wins — the family hint is
usually the actionable one (e.g. “install ffmpeg”); a tool’s own
Unavailable only applies when its family is Ready.