railiance-master/docs/adr/ADR-0006-reef-production-admission.md

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# ADR-0006: Reef Production Admission
Date: 2026-07-26
Status: Accepted
## Context
Fabric topology can say that a reef hosts a rail or binds a workload, but that
does not demonstrate capacity, isolation, recoverability, or approval for a
critical internet-facing service.
## Decision
Rail and `rapp` bindings use explicit readiness states: `declared`,
`installed`, `verified`, `production-approved`, and `deprecated`.
Critical workloads require machine-readable conformance evidence plus explicit
acceptance of residual risks that cannot be automated. Mixed-rail reefs use
defined split triggers.
The detailed contract is
[`docs/reef-production-readiness-contract.md`](../reef-production-readiness-contract.md).
## Consequences
- `hosts_rail` and `binds_rapp` no longer imply deployability.
- `reef-railiance` may host Knative in wave 2, but Qonto cannot be called
production-approved solely from that declaration.
- Repeated evidence collection should become functional automation.