Function handleTTSStart

packages/ui/src/views/chatmessage/ChatMessage.jsx:2008–2037

(data)

    }

    const handleTTSStart = (data) => {
        setTTSAction(true)

        // Stop all existing TTS audio before starting new stream
        stopAllTTS()

        setIsTTSLoading((prevState) => ({
            ...prevState,
            [data.chatMessageId]: true
        }))
        setMessages((prevMessages) => {
            const allMessages = [...cloneDeep(prevMessages)]
            const lastMessage = allMessages[allMessages.length - 1]
            if (lastMessage.type === 'userMessage') return allMessages
            if (lastMessage.id) return allMessages
            allMessages[allMessages.length - 1].id = data.chatMessageId
            return allMessages
        })
        setTtsStreamingState({
            mediaSource: null,
            sourceBuffer: null,
            audio: null,
            chunkQueue: [],
            isBuffering: false,
            audioFormat: data.format,
            abortController: null
        })

        setTimeout(() => initializeTTSStreaming(data), 0)
    }

    const handleTTSDataChunk = (base64Data) => {
        try {