Returns the v3 Webacy-native vault decomposition: composite grade + per-category contributors, the dense categories criteria map, coverage disclosure, plus pass-through v2 metadata and risk. POLARITY: scores are 0–100, higher = worse (A+ = 0, F = 100). composite.score is floored from below by upstream_risk.

CU cost: 1 CU per request (v3-vault-detail).