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<template>
<el-container class="ai-layout">
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<!-- 左侧对话列表 -->
<Conversation
:active-id="activeConversationId"
ref="conversationRef"
@onConversationCreate="handleConversationCreate"
@onConversationClick="handleConversationClick"
@onConversationClear="handlerConversationClear"
@onConversationDelete="handlerConversationDelete"
/>
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<!-- 右侧对话详情 -->
<el-container class="detail-container">
<el-header class="header">
<div class="title">
{{ activeConversation?.title ? activeConversation?.title : '对话' }}
<span v-if="list.length">({{ list.length }})</span>
</div>
<div class="btns" v-if="activeConversation">
<el-button type="primary" bg plain size="small" @click="openChatConversationUpdateForm">
<span v-html="activeConversation?.modelName"></span>
<Icon icon="ep:setting" style="margin-left: 10px" />
</el-button>
<el-button size="small" class="btn" @click="handlerMessageClear">
<!-- TODO @fanstyle 部分可以考虑用 unocss 替代 -->
<img src="@/assets/ai/clear.svg" style="height: 14px" />
</el-button>
<!-- TODO @fan下面两个 icon可以使用类似 <Icon icon="ep:question-filled" /> 替代哈 -->
<el-button size="small" :icon="Download" class="btn" />
<el-button size="small" :icon="Top" class="btn" @click="handlerGoTop" />
</div>
</el-header>
<!-- main消息列表 -->
<el-main class="main-container">
<div>
<div class="message-container">
<MessageLoading v-if="listLoading" />
<MessageNewChat v-if="!activeConversation" @on-new-chat="handlerNewChat" />
<ChatEmpty
v-if="!listLoading && messageList.length === 0 && activeConversation"
@on-prompt="doSend"
/>
<Message
v-if="!listLoading && messageList.length > 0"
ref="messageRef"
:conversation="activeConversation"
:list="messageList"
@on-delete-success="handlerMessageDelete"
@on-edit="handlerMessageEdit"
@on-refresh="handlerMessageRefresh"
/>
</div>
</div>
</el-main>
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<!-- 底部 -->
<el-footer class="footer-container">
<form class="prompt-from">
<textarea
class="prompt-input"
v-model="prompt"
@keydown="onSend"
@input="onPromptInput"
@compositionstart="onCompositionstart"
@compositionend="onCompositionend"
placeholder="问我任何问题...Shift+Enter 换行,按下 Enter 发送)"
></textarea>
<div class="prompt-btns">
<div>
<el-switch v-model="enableContext" />
<span style="font-size: 14px; color: #8f8f8f">上下文</span>
</div>
<el-button
type="primary"
size="default"
@click="onSendBtn"
:loading="conversationInProgress"
v-if="conversationInProgress == false"
>
{{ conversationInProgress ? '进行中' : '发送' }}
</el-button>
<el-button
type="danger"
size="default"
@click="stopStream()"
v-if="conversationInProgress == true"
>
停止
</el-button>
</div>
</form>
</el-footer>
</el-container>
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<!-- ========= 额外组件 ========== -->
<!-- 更新对话 Form -->
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<ChatConversationUpdateForm
ref="chatConversationUpdateFormRef"
@success="handlerTitleSuccess"
/>
</el-container>
</template>
<script setup lang="ts">
// TODO @fan是不是把 index.vue 相关的,在这里新建一个 index 目录,然后挪进去哈。因为 /ai/chat 还会有其它功能。例如说,现在的 /ai/chat/manager 管理
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import Conversation from './Conversation.vue'
import Message from './Message.vue'
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import ChatEmpty from './ChatEmpty.vue'
import MessageLoading from './MessageLoading.vue'
import MessageNewChat from './MessageNewChat.vue'
import { ChatMessageApi, ChatMessageVO } from '@/api/ai/chat/message'
import { ChatConversationApi, ChatConversationVO } from '@/api/ai/chat/conversation'
import ChatConversationUpdateForm from './components/ChatConversationUpdateForm.vue'
import { Download, Top } from '@element-plus/icons-vue'
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const route = useRoute() // 路由
const message = useMessage() // 消息弹窗
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// ref 属性定义
const activeConversationId = ref<string | null>(null) // 选中的对话编号
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const activeConversation = ref<ChatConversationVO | null>(null) // 选中的 Conversation
const conversationInProgress = ref(false) // 对话进行中
const conversationInAbortController = ref<any>() // 对话进行中 abort 控制器(控制 stream 对话)
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const inputTimeout = ref<any>() // 处理输入中回车的定时器
const prompt = ref<string>() // prompt
const enableContext = ref<boolean>(true) // 是否开启上下文
// TODO @fan这几个变量可以注释在补下哈另外fullText 可以明确是生成中的消息 Text这样更容易理解哈
const fullText = ref('')
const displayedText = ref('')
const textSpeed = ref<number>(50) // Typing speed in milliseconds
const textRoleRunning = ref<boolean>(false) // Typing speed in milliseconds
// chat message 列表
// TODO @fanlist、listLoading、listLoadingTime 不能体现出来是消息列表,是不是可以变量再优化下
const list = ref<ChatMessageVO[]>([]) // 列表的数据
const listLoading = ref<boolean>(false) // 是否加载中
const listLoadingTime = ref<any>() // time 定时器,如果加载速度很快,就不进入加载中
// 判断 消息列表 滚动的位置(用于判断是否需要滚动到消息最下方)
const messageRef = ref()
const conversationRef = ref()
const isComposing = ref(false) // 判断用户是否在输入
// 默认 role 头像
const defaultRoleAvatar =
'http://test.yudao.iocoder.cn/eaef5f41acb911dd718429a0702dcc3c61160d16e57ba1d543132fab58934f9f.png'
// =========== 自提滚动效果
// TODO @fan这个方法要不加个方法注释
const textRoll = async () => {
let index = 0
try {
// 只能执行一次
if (textRoleRunning.value) {
return
}
// 设置状态
textRoleRunning.value = true
displayedText.value = ''
const task = async () => {
// 调整速度
const diff = (fullText.value.length - displayedText.value.length) / 10
if (diff > 5) {
textSpeed.value = 10
} else if (diff > 2) {
textSpeed.value = 30
} else if (diff > 1.5) {
textSpeed.value = 50
} else {
textSpeed.value = 100
}
// 对话结束,就按 30 的速度
if (!conversationInProgress.value) {
textSpeed.value = 10
}
// console.log('index < fullText.value.length', index < fullText.value.length, conversationInProgress.value)
if (index < fullText.value.length) {
displayedText.value += fullText.value[index]
index++
// 更新 message
const lastMessage = list.value[list.value.length - 1]
lastMessage.content = displayedText.value
// TODO @fanist.value还是 ist.value.length 哈?
list.value[list.value - 1] = lastMessage
// 滚动到住下面
await scrollToBottom()
// 重新设置任务
timer = setTimeout(task, textSpeed.value)
} else {
// 不是对话中可以结束
if (!conversationInProgress.value) {
textRoleRunning.value = false
clearTimeout(timer)
console.log('字体滚动退出!')
} else {
// 重新设置任务
timer = setTimeout(task, textSpeed.value)
}
}
}
let timer = setTimeout(task, textSpeed.value)
} finally {
}
}
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// ============ 处理对话滚动 ==============
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function scrollToBottom(isIgnore?: boolean) {
// isIgnore = isIgnore !== null ? isIgnore : false
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nextTick(() => {
if (messageRef.value) {
messageRef.value.scrollToBottom(isIgnore)
}
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})
}
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// ============= 处理聊天输入回车发送 =============
// TODO @fan是不是可以通过 @keydown.enter、@keydown.shift.enter 来实现回车发送、shift+回车换行;主要看看,是不是可以简化 isComposing 相关的逻辑
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const onCompositionstart = () => {
isComposing.value = true
}
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const onCompositionend = () => {
// console.log('输入结束...')
setTimeout(() => {
isComposing.value = false
}, 200)
}
const onPromptInput = (event) => {
// 非输入法 输入设置为 true
if (!isComposing.value) {
// 回车 event data 是 null
if (event.data == null) {
return
}
isComposing.value = true
}
// 清理定时器
if (inputTimeout.value) {
clearTimeout(inputTimeout.value)
}
// 重置定时器
inputTimeout.value = setTimeout(() => {
isComposing.value = false
}, 400)
}
// ============== 对话消息相关 =================
/**
* 发送消息
*/
const onSend = async (event) => {
// 判断用户是否在输入
if (isComposing.value) {
return
}
// 进行中不允许发送
if (conversationInProgress.value) {
return
}
const content = prompt.value?.trim() as string
if (event.key === 'Enter') {
if (event.shiftKey) {
// 插入换行
prompt.value += '\r\n'
event.preventDefault() // 防止默认的换行行为
} else {
// 发送消息
await doSend(content)
event.preventDefault() // 防止默认的提交行为
}
}
}
const onSendBtn = async () => {
await doSend(prompt.value?.trim() as string)
}
const doSend = async (content: string) => {
if (content.length < 2) {
// TODO @fan这个 message.error(`上传文件大小不能超过${props.fileSize}MB!`) 可以替代,这种形式
ElMessage({
message: '请输入内容!',
type: 'error'
})
return
}
// TODO @fan这个 message.error(`上传文件大小不能超过${props.fileSize}MB!`) 可以替代,这种形式
if (activeConversationId.value == null) {
ElMessage({
message: '还没创建对话,不能发送!',
type: 'error'
})
return
}
// 清空输入框
prompt.value = ''
// TODO @fanidea 这里会报类型错误,是不是可以解决下哈
const userMessage = {
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conversationId: activeConversationId.value,
content: content
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} as ChatMessageVO
// stream
await doSendStream(userMessage)
}
const doSendStream = async (userMessage: ChatMessageVO) => {
// 创建AbortController实例以便中止请求
conversationInAbortController.value = new AbortController()
// 标记对话进行中
conversationInProgress.value = true
// 设置为空
fullText.value = ''
try {
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// 先添加两个假数据,等 stream 返回再替换
list.value.push({
id: -1,
conversationId: activeConversationId.value,
type: 'user',
content: userMessage.content,
createTime: new Date()
} as ChatMessageVO)
list.value.push({
id: -2,
conversationId: activeConversationId.value,
type: 'system',
content: '思考中...',
createTime: new Date()
} as ChatMessageVO)
// 滚动到最下面
// TODO @fan可以 await nextTick();然后同步调用 scrollToBottom()
nextTick(async () => {
await scrollToBottom()
})
// 开始滚动
textRoll()
// 发送 event stream
let isFirstMessage = true // TODO @fanisFirstChunk 会更精准
ChatMessageApi.sendStream(
userMessage.conversationId, // TODO 芋艿:这里可能要在优化;
userMessage.content,
conversationInAbortController.value,
enableContext.value,
async (res) => {
console.log('res', res)
const { code, data, msg } = JSON.parse(res.data)
if (code !== 0) {
message.alert(`对话异常! ${msg}`)
return
}
// 如果内容为空,就不处理。
if (data.receive.content === '') {
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return
}
// 首次返回需要添加一个 message 到页面,后面的都是更新
if (isFirstMessage) {
isFirstMessage = false
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// 弹出两个 假数据
list.value.pop()
list.value.pop()
// 更新返回的数据
list.value.push(data.send)
list.value.push(data.receive)
}
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// debugger
fullText.value = fullText.value + data.receive.content
// 滚动到最下面
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await scrollToBottom()
},
(error) => {
message.alert(`对话异常! ${error}`)
// TODO @fan是不是可以复用 stopStream 方法
// 标记对话结束
conversationInProgress.value = false
// 结束 stream 对话
conversationInAbortController.value.abort()
},
() => {
// TODO @fan是不是可以复用 stopStream 方法
// 标记对话结束
conversationInProgress.value = false
// 结束 stream 对话
conversationInAbortController.value.abort()
}
)
} finally {
}
}
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const stopStream = async () => {
console.log('stopStream...')
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// tip如果 stream 进行中的 message就需要调用 controller 结束
if (conversationInAbortController.value) {
conversationInAbortController.value.abort()
}
// 设置为 false
conversationInProgress.value = false
}
// ============== message 数据 =================
/** 消息列表 */
const messageList = computed(() => {
if (list.value.length > 0) {
return list.value
}
// 没有消息时,如果有 systemMessage 则展示它
// TODO add by 芋艿:这个消息下面,不能有复制、删除按钮
if (activeConversation.value?.systemMessage) {
return [
{
id: 0,
type: 'system',
content: activeConversation.value.systemMessage
}
]
}
return []
})
// TODO @fan一般情况下项目方法注释用 /** */,啊哈,主要保持风格统一,= = 少占点行哈,
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/**
* 获取 - message 列表
*/
const getMessageList = async () => {
try {
// time 定时器,如果加载速度很快,就不进入加载中
listLoadingTime.value = setTimeout(() => {
listLoading.value = true
}, 60)
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if (activeConversationId.value === null) {
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return
}
// 获取列表数据
list.value = await ChatMessageApi.messageList(activeConversationId.value)
// 滚动到最下面
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await nextTick(() => {
// 滚动到最后
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scrollToBottom()
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})
} finally {
// time 定时器,如果加载速度很快,就不进入加载中
if (listLoadingTime.value) {
clearTimeout(listLoadingTime.value)
}
// 加载结束
listLoading.value = false
}
}
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/** 修改聊天对话 */
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const chatConversationUpdateFormRef = ref()
const openChatConversationUpdateForm = async () => {
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chatConversationUpdateFormRef.value.open(activeConversationId.value)
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}
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/**
* 对话 - 标题修改成功
*/
const handlerTitleSuccess = async () => {
// TODO 需要刷新 对话列表
await getConversation(activeConversationId.value)
}
/**
* 对话 - 创建
*/
const handleConversationCreate = async () => {
// 创建新的对话,清空输入框
prompt.value = ''
}
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/**
* 对话 - 点击
*/
const handleConversationClick = async (conversation: ChatConversationVO) => {
// 对话进行中,不允许切换
if (conversationInProgress.value) {
await message.alert('对话中,不允许切换!')
return false
}
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// 更新选中的对话 id
activeConversationId.value = conversation.id
activeConversation.value = conversation
// 处理进行中的对话
if (conversationInProgress.value) {
await stopStream()
}
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// 刷新 message 列表
await getMessageList()
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// 滚动底部
scrollToBottom(true)
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// 清空输入框
prompt.value = ''
return true
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}
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/**
* 对话 - 清理全部对话
*/
const handlerConversationClear = async () => {
// TODO @fan需要加一个 对话进行中,不允许切换
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activeConversationId.value = null
activeConversation.value = null
list.value = []
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}
/**
* 对话 - 删除
*/
const handlerConversationDelete = async (delConversation: ChatConversationVO) => {
// 删除的对话如果是当前选中的,那么就重置
if (activeConversationId.value === delConversation.id) {
await handlerConversationClear()
}
}
/**
* 对话 - 获取
*/
const getConversation = async (id: string | null) => {
if (!id) {
return
}
const conversation: ChatConversationVO = await ChatConversationApi.getChatConversationMy(id)
if (conversation) {
activeConversation.value = conversation
activeConversationId.value = conversation.id
}
}
/**
* 对话 - 新建
*/
// TODO @fan应该是 handleXXXhandler 是名词哈
const handlerNewChat = async () => {
// 创建对话
await conversationRef.value.createConversation()
}
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// ============ message ===========
/**
* 删除 message
*/
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const handlerMessageDelete = async () => {
if (conversationInProgress.value) {
message.alert('回答中,不能删除!')
return
}
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// 刷新 message
await getMessageList()
}
/**
* 编辑 message设置为 prompt可以再次编辑
*/
const handlerMessageEdit = async (message: ChatMessageVO) => {
prompt.value = message.content
}
/**
* 刷新 message基于指定消息再次发起对话
*/
const handlerMessageRefresh = async (message: ChatMessageVO) => {
await doSend(message.content)
}
/**
* 回到顶部
*/
const handlerGoTop = async () => {
await messageRef.value.handlerGoTop()
}
/**
* message 清除
*/
const handlerMessageClear = async () => {
if (!activeConversationId.value) {
return
}
// TODO @fan需要 try catch 下,不然点击取消会报异常
// 确认提示
await message.delConfirm('确认清空对话消息?')
// 清空对话
await ChatMessageApi.deleteByConversationId(activeConversationId.value as string)
// TODO @fan是不是直接置空就好啦
// 刷新 message 列表
await getMessageList()
}
/** 初始化 **/
onMounted(async () => {
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// 设置当前对话 TODO 角色仓库过来的,自带 conversationId 需要选中
if (route.query.conversationId) {
const id = route.query.conversationId as string
activeConversationId.value = id
await getConversation(id)
}
// 获取列表数据
listLoading.value = true
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await getMessageList()
})
</script>
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<style lang="scss" scoped>
.ai-layout {
// TODO @范 这里height不能 100% 先这样临时处理
position: absolute;
flex: 1;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
.conversation-container {
position: relative;
display: flex;
flex-direction: column;
justify-content: space-between;
padding: 0 10px;
padding-top: 10px;
.btn-new-conversation {
padding: 18px 0;
}
.search-input {
margin-top: 20px;
}
.conversation-list {
margin-top: 20px;
.conversation {
display: flex;
flex-direction: row;
justify-content: space-between;
flex: 1;
padding: 0 5px;
margin-top: 10px;
cursor: pointer;
border-radius: 5px;
align-items: center;
line-height: 30px;
&.active {
background-color: #e6e6e6;
.button {
display: inline-block;
}
}
.title-wrapper {
display: flex;
flex-direction: row;
align-items: center;
}
.title {
padding: 5px 10px;
max-width: 220px;
font-size: 14px;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.avatar {
width: 28px;
height: 28px;
display: flex;
flex-direction: row;
justify-items: center;
}
// 对话编辑、删除
.button-wrapper {
right: 2px;
display: flex;
flex-direction: row;
justify-items: center;
color: #606266;
.el-icon {
margin-right: 5px;
}
}
}
}
// 角色仓库、清空未设置对话
.tool-box {
line-height: 35px;
display: flex;
justify-content: space-between;
align-items: center;
color: var(--el-text-color);
> div {
display: flex;
align-items: center;
color: #606266;
padding: 0;
margin: 0;
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cursor: pointer;
> span {
margin-left: 5px;
}
}
}
}
// 头部
.detail-container {
background: #ffffff;
.header {
display: flex;
flex-direction: row;
align-items: center;
justify-content: space-between;
background: #fbfbfb;
box-shadow: 0 0 0 0 #dcdfe6;
.title {
font-size: 18px;
font-weight: bold;
}
.btns {
display: flex;
width: 300px;
flex-direction: row;
justify-content: flex-end;
//justify-content: space-between;
.btn {
padding: 10px;
}
}
}
}
// main 容器
.main-container {
margin: 0;
padding: 0;
position: relative;
height: 100%;
width: 100%;
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.message-container {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
//width: 100%;
//height: 100%;
overflow-y: hidden;
padding: 0;
margin: 0;
}
}
// 底部
.footer-container {
display: flex;
flex-direction: column;
height: auto;
margin: 0;
padding: 0;
.prompt-from {
display: flex;
flex-direction: column;
height: auto;
border: 1px solid #e3e3e3;
border-radius: 10px;
margin: 10px 20px 20px 20px;
padding: 9px 10px;
}
.prompt-input {
height: 80px;
//box-shadow: none;
border: none;
box-sizing: border-box;
resize: none;
padding: 0px 2px;
//padding: 5px 5px;
overflow: auto;
}
.prompt-input:focus {
outline: none;
}
.prompt-btns {
display: flex;
justify-content: space-between;
padding-bottom: 0px;
padding-top: 5px;
}
}
</style>