Add pixelmatch-based screenshot comparison script that captures Angular
(:4200) and React (:8080) at every route and generates pixel diff images.
Dev server: add mock /api/appSettings endpoint so Angular can bootstrap
when WAF blocks the real API.
Registers schedule URL serializer in parity harness with 18-entry fixture
corpus and fast-check fuzz. 10 URL round-trip integration tests, 6 SEO/
JSON-LD integration tests. Updates barrel and MF expose from stub to real.