SEC_CSP_SOURCE_UNSAFE_HASHES
Reports whether the policy uses `'unsafe-hashes'`. Broad sources like this substantially weaken a policy.
Impact is importance multiplied by the confidence tier’s weight — SPECIFICATION 1.0, RESEARCH 0.7, EMERGING 0.3, EXPERIMENTAL 0.1. Two rules backed by the same class of evidence therefore always carry the same weight, which is what makes the score reproducible rather than hand-tuned.