gabriel / muse public
feat BREAKING pack task/delta-snapshot-wire #1 / 1
AI Agent gabriel · 31 days ago · May 11, 2026 · Diff

feat(pack): delta-encode snapshots in MPackBundle wire format

Replace full manifest blobs with delta chains in MPackBundle: - Add SnapshotDeltaDict wire type: {snapshot_id, parent_snapshot_id, delta_add, delta_remove} - Add _build_snapshot_deltas: emit only changed paths relative to parent manifest - Add _apply_snapshot_deltas: reconstruct + verify full manifests from delta chain - Update build_mpack and build_mpack_from_walk to emit deltas - Update apply_mpack to reconstruct SnapshotRecords from deltas - Add test_mpack_delta_format.py: 5 tests covering delta correctness and wire size

For a 100-commit chain each touching one file in a 50-file repo, delta snapshots are < 2% of full-manifest size.

sha256:51ce277f663e01a43eaffbe77509b1de7ac2d4251b55d23306304bcdeb92c90d sha
sha256:64f94497207ac68d51c32b4bb1b8101bbea0ebb3b2cfbca510121b43cb4cc29e parent
sha256:dc204c99e9f38b729d378f3190eaf531fa52c1ecad67ee312da2c0b9d61d52a5 snapshot
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