# Architecture principles whose scope is reader

> 1 record

This index as JSON: https://banes-lab.com/json/api/facets/architecture/scope/reader

## Entries

- [Projection Channel](https://banes-lab.com/records/architecture/projection-channel.md): A rule or precondition that the projection a host injects into every bounded reader is refreshed in the same change as the fact it carries, in a shape a check reads.