State pins (4 MiB; one key per revision <branch>.<revision>, made, pins-stated) applied from a durable consumer of mesh-delivery's
pinned, freed, heads-replaced and pins-stated, acknowledged after the apply; a revision is removed when no record pins it and it
is not current, only while the consumer has nothing pending and after a pins-stated later than made; finding pin-missing; tools
indexer_pins, indexer_unpin, indexer_consumer (the state consumers, written by mesh-sdk's process.ConsumerLedger).
Builds: design 47 G §153, §178, §189, §215, §216, §579, A-169, A-171, A-176
Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h