AnswerSeat checks a call's caller against the seat's definition its caller
reads from the seat list it follows (A-186), refusing every caller while the
list is unread. The assigner (mesh-wants input), the builder (mesh-builds
reserved) and the indexer (mesh-catalog input) hand it the definition their
seat list holds once heard; the pipeline runner, which followed none, follows
one over its calls connection and hub, read again once its events are live,
and its manifest invokes seat-definitions and consumes the list's two events.
The runner's and the indexer's integration beds answer the seat list, and the
indexer's input test calls with a caller the bus proved (A-179).
Builds: design 47 G lead answers A-179, A-186 (join 11 area 6)
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
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