NEURLFilter-Stack (iOS 26): Extension RebreakURLFilter -> URLFilterExtension umbenannt, url-filter-provider-Entitlement, Bloom-Prefilter-Extension, PIR-Client-Config (pirServerURL/pirAuthToken via Build-Env). PIR-Server-Ops unter ops/pir-server/ (Dockerfile, build-and-deploy, Patches, DTS-Report). backend/scripts/generate-pir-input.ts erzeugt die PIR-Datenbank. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>