@startuml module-dependencies
!theme plain
title Module Dependencies

package "Entry Points" {
  [main.erl] as Main
  [repl.erl] as REPL
}

package "Server Layer" {
  [xml_server_app.erl] as XMLApp
  [xml_server.erl] as XMLServer
}

package "Query Layer" {
  [query_planner.erl] as Planner
}

package "Core Layer" {
  [operations.erl] as Ops
}

package "Support Modules" {
  [relation.erl] as Relation
  [generators.erl] as Generators
  [visualizer.erl] as Visualizer
}

Main --> XMLApp
XMLApp --> XMLServer
XMLServer --> Planner
REPL --> Ops

Planner --> Ops
Ops --> Relation
Ops --> Generators
Ops --> Visualizer

@enduml