Idempotent Merge
Kind: algorithm
Record: algorithms:idempotent-merge
Canonical: Algorithms
Closure: Dependencies in load order
Specializing the Idempotent Side Effect, assign each fact a stable identity, apply the delta per field kind, deduplicate and cap, and guarantee that re-applying the same delta yields the same document.
Listed in Algorithm contracts, after Delta Capture and before Version Provenance.