miroir/coverage
jedarden b078c14865 Phase 1 (miroir-cdo): Close bead - Core Routing complete
All DoD requirements verified:
- Rendezvous assignment is deterministic (verified by test)
- Adding 4th node moves ≤ 2×(1/4) of shards (verified by test)
- 64 shards / 3 nodes / RF=1 → 18-26 shards each (verified by test)
- Top-RF placement changes minimally (verified by test)
- write_targets returns RG × RF nodes (verified by test)
- query_group distributes evenly (verified by test)
- covering_set returns one node per shard (verified by test)
- Merger passes merge/facet/limit tests (verified by test)
- miroir-core ≥ 90% line coverage (achieved 91.80%)

Coverage Report:
- router.rs: 96.20%
- topology.rs: 100%
- scatter.rs: 100%
- merger.rs: 94.67%
- Overall: 91.80%

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-09 11:38:45 -04:00
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html Phase 1 (miroir-cdo): Close bead - Core Routing complete 2026-05-09 11:38:45 -04:00
lcov.info Phase 1 (miroir-cdo): Close bead - Core Routing complete 2026-05-09 11:38:45 -04:00