@type t() :: %OpenCode.Generated.SyncEventSessionNextToolFailedSyncEventData{
  assistant_message_id: String.t(),
  call_id: String.t(),
  error: OpenCode.Generated.SessionErrorUnknown.t(),
  provider:
    OpenCode.Generated.SyncEventSessionNextToolFailedSyncEventDataProvider.t(),
  result: map() | nil,
  session_id: String.t(),
  timestamp: number()
}