The rows this skill keeps in the Markers table of the stack file (docs/architecture/stack.md). Copy them exactly; the generic business rule row (All) belongs to /stack and is not repeated here.

Layer	Skill	Kind	Marker to grep for
Service	spring-service	Code	`// UC-XXX BR-YYY:` directly above the service method or guard clause that enforces the rule
Service	spring-service	Code	`UC-XXX` in the Javadoc of the public service method that realizes a step or an alternative flow
Service	spring-service	Name	`<Entity>Service` classes annotated `@Service`; domain exceptions `<Reason>Exception`