@type state() :: %Syntropy.Agent{
  connections: %{
    optional(String.t()) => %{weight: float(), interactions: non_neg_integer()}
  },
  id: String.t(),
  knowledge_items: [String.t()],
  lineage_ids: [String.t()],
  name: String.t(),
  node_id: String.t(),
  parent_ids: [String.t()],
  parent_runtime_ids: [String.t()],
  pending_thinks: %{
    optional(reference()) => %{
      from: GenServer.from(),
      prompt: String.t(),
      usage_context: map() | nil
    }
  },
  perspective: String.t(),
  perspective_labels: [String.t()],
  position: float(),
  runtime_id: String.t(),
  score_vector: %{knowledge: float(), synthesis: float(), connections: float()},
  source_names: [String.t()],
  temporary: boolean()
}