FA-642 / Replication / Member archive
Admit a conflict resolution result: Resolution reuses an existing causal operation dot · case 02
The conflict resolution operation is admitted even though resolution reuses an existing causal operation dot.
Case contract
Return a Boolean admission decision for admit a conflict resolution result. The record r must satisfy all of: set(r['parent_coverage'][0]) <= set(r['parent_coverage'][1]); all(a >= b for a,b in zip(r['clock_dominance'][0],r['clock_dominance'][1])); len(set(r['resolver_version'])) == 1; tuple(r['new_dot'][0]) not in [tuple(x) for x in r['new_dot'][1]]; r['result_domain'] >= 0. Extra tracing fields are ignored; validation does not mutate the record.
Why this case matters
A deterministic local contract for replication. Each negative fixture violates exactly one invariant. No transport timing, persistence, cryptographic verification, or full protocol implementation is claimed.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| Resolution reuses an existing causal operation dot | true | false | Failed |
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