type RealtimeEvent = 
  | "status_change"
  | "mode_change"
  | "transcript"
  | "audio_chunk"
  | "tool_call"
  | "message_complete"
  | "interrupted"
  | "error";

type RealtimeEvent = 
  | "status_change"
  | "mode_change"
  | "transcript"
  | "audio_chunk"
  | "tool_call"
  | "message_complete"
  | "interrupted"
  | "error";