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Keep business use cases in services and keep runtime/UI concerns outside them
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Based on SOC occupation classification
Keep environment variables and deploy-time settings inside a typed config boundary
Enforce six-layer forward-only imports: types -> config -> repositories -> services -> runtime -> ui
Write ADRs for harness boundaries, provider choices, dependency exceptions, and enforcement changes
Introduce the six-layer harness into an existing TypeScript project gradually
Fix six-layer harness violations reported by dependency-cruiser, ESLint, or review
Review a PR for six-layer harness, provider, ADR, and enforcement consistency
| name | service-use-case-boundary |
| description | Keep business use cases in services and keep runtime/UI concerns outside them |
| metadata | {"type":"Reference","origin":"harness-engineering/ch7","helpful":0,"harmful":0,"status":"active"} |
