Cache-diagnostics verdict for one call. cacheMissReason: null means the
comparison was still running when the response serialized (inconclusive —
check the next turn). A populated reason identifies the earliest divergence;
fix it first, later ones may be hidden behind it.
Cache-diagnostics verdict for one call.
cacheMissReason: nullmeans the comparison was still running when the response serialized (inconclusive — check the next turn). A populated reason identifies the earliest divergence; fix it first, later ones may be hidden behind it.