feat: end-to-end truncation#3132

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williamhbaker wants to merge 10 commits into

wb/truncation-v2

Commits on Jul 8, 2026

proto: add backfill control and truncation messages
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proto-gazette: add CONTROL message flag and ignore control documents
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labels: add truncated-at journal label
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doc: don't reduce prior-generation documents in the combiner
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shuffle: propagate backfill clocks through the frontier
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publisher: publish control documents and apply truncated-at labels
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runtime-next: persist backfill-truncation state in RocksDB
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runtime-next: emit backfill control documents from captures
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runtime-next: apply backfill truncation in materializations
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AGENTS.md: note cargo fmt after protobuf codegen
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