Implemented deterministic Baseline Result Semantics (Spec 383), introducing CompareSubjectResult and CompareEvidenceResult. Replaced generic arrays with strict Data Transfer Objects for Baseline engine output.
Replaced legacy tenant and environment bindings in the BaselineDriftEngine with the new ProviderResourceIdentity framework as defined in Spec 382. This ensures cross-environment compatibility and deterministic baseline matching.
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #453
