scripts/mutate-cultnet-selection-mesh.entries.ps1 covers the two rules moved in
commit 2d against tests/GameCult.Mesh.Tests: ResolveDefaultSelection's "no schema
filter when keys are given" default, and ReadDocumentFromSnapshotResponse's
recordKey-anchored exact read (including the foreign-schema-id decode fallback it
still honors).
M0: green, 87 passed (CultMeshStreamingTests). Verdicts:
- MESH-DEFAULT-Revert: KILLED
- MESH-DEFAULT-Loosening: SURVIVED
- MESH-KEY-Revert: KILLED
- MESH-KEY-Loosening: SURVIVED
- MESH-FOREIGN-Revert: KILLED
- Final: green, 87 passed. All restores byte-exact (working tree clean after the run).
Both SURVIVED entries are recorded as fixture gaps, not swapped for easier
mutants: no test in CultMeshStreamingTests.cs passes an explicit empty (non-null)
recordKeys array, and none varies a record key's case, so nothing distinguishes
MESH-DEFAULT-Loosening's `recordKeys != null` from the correct `recordKeys is
{ Count: > 0 }`, or MESH-KEY-Loosening's OrdinalIgnoreCase from the correct
Ordinal comparison. MESH-FOREIGN has a revert entry only; no distinct, still-wrong
"loosening" of "decode successfully as TDocument" was found that isn't already
one of the other two entries.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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