@type t() :: %OpenCode.Generated.SessionMessageAssistantTool{
  id: String.t(),
  name: String.t(),
  provider: OpenCode.Generated.SessionMessageAssistantToolProvider.t() | nil,
  state:
    OpenCode.Generated.SessionMessageToolStateCompleted.t()
    | OpenCode.Generated.SessionMessageToolStateError.t()
    | OpenCode.Generated.SessionMessageToolStatePending.t()
    | OpenCode.Generated.SessionMessageToolStateRunning.t(),
  time: OpenCode.Generated.SessionMessageAssistantToolTime.t(),
  type: String.t()
}