Function isNotEmptyMessage

src/utils/messages.ts:692–726

(message: Message)

}

export function isNotEmptyMessage(message: Message): boolean {
  if (
    message.type === 'progress' ||
    message.type === 'attachment' ||
    message.type === 'system'
  ) {
    return true
  }

  const msg = message.message
  if (!msg) return true

  if (typeof msg.content === 'string') {
    return msg.content.trim().length > 0
  }

  if (!msg.content || msg.content.length === 0) {
    return false
  }

  // Skip multi-block messages for now
  if (msg.content.length > 1) {
    return true
  }

  if (msg.content[0]!.type !== 'text') {
    return true
  }

  return (
    (msg.content[0] as { text: string }).text.trim().length > 0 &&
    (msg.content[0] as { text: string }).text !== NO_CONTENT_MESSAGE &&
    (msg.content[0] as { text: string }).text !== INTERRUPT_MESSAGE_FOR_TOOL_USE
  )
}

// Deterministic UUID derivation. Produces a stable UUID-shaped string from a
// parent UUID + content block index so that the same input always produces the