Resolves ADR-015 deferred item #2 + TODO 2.2/2.3: a Claude-driven exploratory
browser harness (/verify-service) that exercises staging service UIs through
real SSO, backed by a per-service VERIFY.md, with test users in staging
Authentik and a manual-test handoff. Basis for ADR-017.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>