docs(crdt): CRDT merge over the reasoning-evidence fabric#130
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…first ideals 2/4 without regressing 5/6/7 Op-based add-wins OR-graph over EventEnvelope op-log (Fig-18 railroad track). Causal metadata rides in open payload; no schema change. Merge gate binds to SyncCycleReceipt.locus + correctness attestation (the eighth ideal). Conforms to sourceos-spec v2 EventEnvelope/ReasoningRun/ReasoningEvent/SyncCycleReceipt.
Slices 1 (op emitter), 2 (deterministic materialize), 3 (OR-Set merge) shipped in prophet-mesh#13 with 14 tests; suite 74 green. Slice 4 (locus/attestation gate) next.
gate() ships in prophet-mesh#13 — canonical vs. quarantine split, fail-closed on gated loci, untrusted-retract security property, SyncCycleReceipt v2 receipts; 7 tests, suite 81 green. Only Slice 5 (live second-replica ingester) remains.
Slice 5 (live Replica + anti-entropy sync + HellGraph ingester + persist-only- canonical) ships in prophet-mesh#13. 27 CRDT tests, suite 87 green. emit → reconstruct → converge → correctness-gate → live-sync + persist proven-correct only.
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What
Design doc: CRDT merge over the reasoning-evidence fabric — closes local-first ideals 2 (multi-device) and 4 (collaboration) without regressing 5 (longevity) / 6 (privacy) / 7 (user-control), and adds an eighth ideal — correctness — as a merge precondition.
Key properties (spec-first, conformant to v2)
EventEnvelope; causal metadata (hash-DAG parents, Lamport, OR-Set tags) rides in the openpayload.SyncCycleReceipt.locus(local | trusted_private | attested_fog | burst_cloud) as the merge gate — the "distance-to-execution" axis already in the spec.burst_cloudwithout a passing correctness receipt land in a quarantine view.occurredAtis display-only, never trusted for ordering.Companion implementation
CRDT Slice 1 (op-emitter) is implemented in
prophet-mesh(branchpersonal-knowledge-graph-spec) — EventEnvelope-conformant, deterministicfold()round-trip, hash-chain verification, 5 tests.Conforms to:
EventEnvelope.json,ReasoningRun.json,ReasoningEvent.json,SyncCycleReceipt.json.