Function handleSendMessage

apps/sim/app/(interfaces)/chat/[identifier]/chat.tsx:201–350

(
    messageParam?: string,
    isVoiceInput = false,
    files?: Array<{
      id: string
      name: string
      size: number
      type: string
      file: File
      dataUrl?: string
    }>
  )

  }, [isStreamingResponse])

  const handleSendMessage = async (
    messageParam?: string,
    isVoiceInput = false,
    files?: Array<{
      id: string
      name: string
      size: number
      type: string
      file: File
      dataUrl?: string
    }>
  ) => {
    const messageToSend = messageParam ?? inputValue
    if ((!messageToSend.trim() && (!files || files.length === 0)) || isLoading) return

    logger.info('Sending message:', {
      messageToSend,
      isVoiceInput,
      conversationId,
      filesCount: files?.length,
    })

    setUserHasScrolled(false)

    const userMessage: ChatMessage = {
      id: generateId(),
      content: messageToSend || (files && files.length > 0 ? `Sent ${files.length} file(s)` : ''),
      type: 'user',
      timestamp: new Date(),
      attachments: files?.map((file) => ({
        id: file.id,
        name: file.name,
        type: file.type,
        size: file.size,
        dataUrl: file.dataUrl || '',
      })),
    }

    setMessages((prev) => [...prev, userMessage])
    setInputValue('')
    setIsLoading(true)

    setTimeout(() => {
      scrollToMessage(userMessage.id, true)
    }, 100)

    const abortController = new AbortController()
    const timeoutId = setTimeout(() => {
      abortController.abort()
    }, CHAT_REQUEST_TIMEOUT_MS)

    try {
      const payloadFiles =
        files && files.length > 0
          ? await Promise.all(
              files.map(async (file) => ({
                name: file.name,
                size: file.size,