A holder sends a verb's answer file with SeatChunks.Send: it subscribes to the verb's acknowledgements, answers each as a
request and publishes each chunk only after the one before is acknowledged. The bootstrap, seatlisttest and captured copies of
the mesh-catalog seat are the contracts' file at the input verb with chunks.
Builds: design 47 G §712, §681, A-237, A-139, A-249
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
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