# Layered Architecture

Record: `arch:layered-architecture`
Kind: style
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Severity: contextual
Scope: application, system
Canonical: https://banes-lab.com/ontology#arch-layered-architecture

## Repair

- Refactored by: Move Logic, Introduce Service/Repository Boundary
- Detected by: forbidden layer imports
- Violated by: presentation accessing persistence directly
- Measured by: layer violation count
- Enforced by: layer rules

## requires

- [Layer Separation](https://banes-lab.com/records/lex/layer-separation.md)

## reinforces

- [Separation of Concerns](https://banes-lab.com/records/arch/separation-of-concerns.md)

## enables

- [Structured Code Organization](https://banes-lab.com/records/lex/structured-code-organization.md)

## conflicts-with

- [Layer Skipping](https://banes-lab.com/records/lex/layer-skipping.md)

## tensions-with

- [Anemic Layers](https://banes-lab.com/records/lex/anemic-layers.md)

## tensions

- [Layered Architecture Anemic Layers](https://banes-lab.com/records/tension/anemic-layers-layered-architecture.md)

## referenced-by

- [Separation of Concerns](https://banes-lab.com/records/arch/separation-of-concerns.md)