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docs(edge-sync): document hub-side air-gap import - #22
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Covers the import half (Basekick-Labs/arc PR 9c): the [edge_sync.import] block, importing a drive, the three refusals an operator will actually meet, and the import history endpoint. Explains why a duplicate drive is refused by a dedup ledger rather than a timestamp window — the online freshness check works because a request is in flight, and a bundle is not. Notes the (spoke_id, bundle_id) key, so a compromised spoke cannot block another's future drives. Documents cluster-mode Raft batching, since a 2,500-file bundle costing 3 proposals instead of 2,500 is the kind of thing an operator sizing a cluster needs to know. Removes the "hub-side import is not in this release" limitation. The acknowledgment limitation stays. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This was referenced Aug 7, 2026
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Summary
Documents the import half (Basekick-Labs/arc#582): the
[edge_sync.import]block, importing a drive, the three refusals an operator will actually meet, and the import-history endpoint.Explains why a duplicate drive is refused by a dedup ledger rather than a timestamp window — the online freshness check works because a request is in flight, and a bundle is not. Notes the
(spoke_id, bundle_id)key, so a compromised spoke cannot block another spoke's future drives.Documents cluster-mode Raft batching, since a 2,500-file bundle costing 3 proposals instead of 2,500 is the kind of thing an operator sizing a cluster needs to know — along with the abort-on-failure behaviour and why re-importing is the recovery.
Removes the "hub-side import is not in this release" limitation. The acknowledgment limitation stays: exported files still do not reach
syncedand are not pruned until 9d ships.Every status code, config key, endpoint path, and JSON field was verified against the shipped handler rather than the design doc.
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