Architecture review found the context boundaries, FP/TEA idioms and read/write
separation sound, and rejected explicit CQRS as the fix for anything found. It
located four real defects clustered in one place: the backend's aggregate roots
don't guard their own invariants, and the aanvraag status lifecycle is a computed
string living in the contracts layer instead of the domain. Full Decisions block
pre-made so implementation can proceed without re-litigating scope.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>