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feat: NIF-77 negentropy sync

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Steffen
2026-03-16 16:00:15 +01:00
parent 4c2c93deb3
commit 39dbc069a7
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docs/SYNC.md
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@@ -131,14 +131,16 @@ This is enough for Tribes and keeps the first version simple.
### NIP-77
NIP-77 is **not required** for the first sync implementation.
Parrhesia now has a real reusable relay-side NIP-77 engine:
Reason:
- proper `NEG-OPEN` / `NEG-MSG` / `NEG-CLOSE` / `NEG-ERR` framing,
- a reusable negentropy codec and reconciliation engine,
- bounded local `(created_at, id)` snapshot enumeration for matching filters,
- connection/session integration with policy checks and resource limits.
- Parrhesia currently only has `NEG-*` session tracking, not real negentropy reconciliation.
- The current Tribes sync profile already assumes catch-up plus live replay, not negentropy.
That means NIP-77 can be used for bandwidth-efficient catch-up between trusted nodes.
NIP-77 should be treated as a later optimization for bandwidth-efficient reconciliation once Parrhesia has a real reusable implementation.
The first sync worker implementation may still default to ordinary NIP-01 catch-up plus live replay, because that path is operationally simpler and already matches the current Tribes sync profile. `:negentropy` can now be introduced as an optimization mode rather than a future prerequisite.
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