The third reader release reads G's invokes `seat:<seat>.accept.<queue>` and `seat:<seat>.<stream>.<kind>` with G's check of them: a queue or kind the seat's definition does not accept is refused, naming it. Builds: design 47 G §601, A-231, A-102, A-343, A-344 Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h