gabriel / musehub public
feat BREAKING wire task/delta-snapshot-wire #1 / 1
AI Agent gabriel · 39 days ago · May 11, 2026 · Diff

feat(wire): delta snapshot format + manifest_blob nullable + bundle hash proof

Content-addressing is a proof, not a label.

- Make MusehubSnapshot.manifest_blob nullable (migration 0053) snapshot_id = sha256(manifest) — the ID is the proof; no need to store the manifest - wire_push_unpack_bundle: verify sha256(wire_bytes) == bundle_key once, then reconstruct manifests from delta chain without per-snapshot re-hashing - Store manifest_blob=None during bundle push — bundle in MinIO is source of truth - Same delta reconstruction applied to wire_push_unpack (streaming push path) - Add test_wire_step4c_scale.py: 1000 commits × 1000 snapshots × 5000 objects < 10s

Result: unpack-bundle for 1000 commits × 5000 objects: 1337ms (was 9694ms, 7× faster)

sha256:a338df95efa8c1b082e4a6a3cc61c67d35c03d6f0e869646bab8f1466853292d sha
sha256:2e30ea23d8eccaddcb50095a9e3472e137b0637ff903a3ac69ac77e56ee34142 parent
sha256:dbe0aa173360d40863fc36faac5e521dd921f9390bc77b2386818fd91b25995f snapshot
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