@startuml d2-catalog-bus
!pragma layout smetana
title D2 — Catalog as the contract bus
skinparam backgroundColor #fafbfc
skinparam defaultFontName SansSerif
skinparam shadowing false
skinparam ArrowColor #5a6a7e
skinparam rectangle {
  FontSize 12
  BorderThickness 1
}
skinparam package {
  FontSize 13
  BorderColor #4a5568
  BackgroundColor #ffffff
}

package "Writers into the catalog" as writers #fff6e8 {
  rectangle ".hsm Push to catalog" as HsmPub
  rectangle "Catalog Import tables" as Import
  rectangle "Apply harvest /\nRefresh from source" as ApplyH
  rectangle "Tag catalog version" as Tag
  rectangle "Update RDG\nPublish target tables" as Upd
  rectangle "Harvest persist /\nquality / metrics" as Ops
}

package "Data Catalog" as catalog #edf0f4 {
  rectangle "hop/{project}/sources" as Sources
  rectangle "catalog-versions/" as Versions
  rectangle "models / business-vault /\ndimensional" as Models
  rectangle "lineage/ siblings" as Lineage
  rectangle "operations/ stubs" as Operations
}

package "Readers from the catalog" as readers #e8f0fb {
  rectangle ".hdv bind by source name" as Hdv
  rectangle "Check model" as Check
  rectangle "Harvest source metadata" as Harvest
  rectangle "Validate resource definitions" as Gate
  rectangle "Measure data quality" as Quality
  rectangle "Lineage browser /\n.hlv / ref()" as Hlv
}

HsmPub --> Sources
Import --> Sources
ApplyH --> Sources
Tag --> Versions
Upd --> Models
Upd --> Lineage
Ops --> Operations

Sources --> Hdv
Sources --> Check
Sources --> Harvest
Sources --> Gate
Sources --> Quality
Models --> Quality
Models --> Hlv
Lineage --> Hlv
@enduml