Adds docs/agent-networks/60-qa-test-cases.md: a prioritised test-case
list covering bootstrap/settings, provider and policy CRUD and
validation, guardrails, policy selection and limit enforcement, runtime
routing over the tunnel, usage/cost accounting, access logs and
retention, RBAC and tenancy, the dashboard surfaces, focused mode and
onboarding, plus cross-cutting resilience and security checks.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>