Glossary
Canonical contract layer
Section titled “Canonical contract layer”The internal interface that product logic talks to instead of talking directly to each vendor.
Provider portability boundary
Section titled “Provider portability boundary”The place where provider-native capabilities stop and portable internal behavior begins.
Migration assurance
Section titled “Migration assurance”The practices used to prove that moving from one platform or provider to another is safe enough to trust.
Dual-run validation
Section titled “Dual-run validation”Running old and new paths side by side so outputs, quality, latency, or cost can be compared before cutover.
Context engineering
Section titled “Context engineering”The work of shaping prompts, retrieved context, tools, and orchestration so a model can do useful work consistently.
Operating-model transfer
Section titled “Operating-model transfer”The part of delivery where knowledge, responsibilities, and repeatable practices move from a delivery team into the long-term operating team.
Runbook
Section titled “Runbook”A short procedural page for a repeatable task with validation and rollback steps.
Reference page
Section titled “Reference page”A concise lookup page that explains a stable concept or structure without a lot of narrative.