ChatSessionStreamChunk

"""A chunk of a streaming chat response"""
type ChatSessionStreamChunk {
  """The session ID this chunk belongs to"""
  sessionId: ChatSessionID!
  """Partial text content received"""
  content: String
  """Partial custom app content (for app dev context)"""
  appContent: CustomAppContent
  """Whether this is the final chunk"""
  isComplete: Boolean!
  """The message ID (available in final chunk)"""
  messageId: ChatMessageID
}