- PluginMeta.core_version defaulted to >=1.0.0, which would reject the current 0.2.0 framework for any plugin relying on the default. Set to >=0.2.0,<1.0.0. - Add GET /api/plugins introspection: lists loaded plugins (name, version, core_version, api_prefix, dependencies) + the framework contract version. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>