Migration Guides

YAML-style docs -> JSON bundle model

• Replace YAML examples with bundle JSON
• Move runtime env docs to FAIRVISOR_* variables
• Validate using fairvisor validate policy.json

decision_service -> reverse_proxy

1. Set FAIRVISOR_MODE=reverse_proxy
2. Set FAIRVISOR_BACKEND_URL
3. Keep bundle source (FAIRVISOR_CONFIG_FILE or SaaS)
4. Validate headers and status semantics at ingress

standalone -> SaaS

1. Register edge via fairvisor connect
2. Provide FAIRVISOR_SAAS_URL, FAIRVISOR_EDGE_ID, FAIRVISOR_EDGE_TOKEN
3. Observe heartbeat/config pull metrics
4. Keep fallback standalone bundle for rollback