vars: {
  d2-config: {
    layout-engine: elk
    # Terminal theme code
    theme-id: 300
  }
}

History: {
  shape: class

  agents: "HashMap<Index, Agent>"
  batches: "Vec<Batch>"
}

Batch: {
  shape: class

  skills: "HashMap<Index, Skill>"
  events: "Vec<Event>"
  time: "i64"
  p_draw: "f64"
}

Event: {
  shape: class

  teams: "Vec<Team>"
  weights: "Vec<Vec<f64>>"
  evidence: "f64"
}

Team: {
  shape: class

  items: "Vec<Item>"
  output: "f64"
}

Item: {
  shape: class

  agent: "Index"
  likelihood: "Gaussian"
}

Skill: {
  shape: class

  forward: "Gaussian"
  backward: "Gaussian"
  likelihood: "Gaussian"
  elapsed: "i64"
  online: "Gaussian"
}

History -> Batch

Batch -> Skill
Batch -> Event

Event -> Team

Team -> Item