Skills
Skill ecosystem — cards, registry, permissions, auth status, invocation log, marketplace.
SkillCard
Single skill with icon, name, version, author, description, scopes, auth pill, and an enable toggle.
SkillPermissions
Pill row of required scopes (read / write / admin × resource) with compact and limited variants.
SkillAuthStatus
Auth lifecycle card — connected / expired / needs-reauth / never / errored — with primary action.
SkillRegistry
Installed-skills catalog with search, category filters, and per-skill enable toggles.
SkillInvocationLog
Vertical timeline of skill calls with status, action, duration, and expandable payloads.
SkillMarketplace
Discovery grid with category filters, star ratings, install counts, and stateful install button.