Agent definitions loaded from a plugin (an add-on package for Claude Code) now carry a pluginSource record. It holds the file path, the plugin's name, namespace, source name, folder path and manifest (the plugin's description file).
Why
Each agent that came from a plugin can now be traced back to the plugin and the file it was loaded from.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtThe finding does not say where `pluginSource` is shown or used.
