Under the hood
Plugin marketplaces gain a new claude.ai-hosted source type with its own caching and refresh logic.
Plugin marketplaces can now be sourced directly from claude.ai, alongside the existing git/github/url/local source kinds. This new claudeai source has its own cache-only/if-missing fetch logic and dedicated refresh and list-refresh code paths, and bulk refresh, autoUpdate toggling, and cache lookups all branch to handle it.