@type t() :: %MingaEditor.State.Tab.Agent{
  agent_status: MingaEditor.State.Workspace.agent_status(),
  attention: boolean(),
  background_subagent: MingaAgent.Subagent.Handle.t() | nil,
  connection_status:
    MingaEditor.State.Workspace.RemoteSession.connection_status() | nil,
  remote_session_id: String.t() | nil,
  server_name: String.t() | nil,
  session: pid() | nil
}