feat: system prompt

src/api/fetch.ts

@@ -1,4 +1,4 @@
-import { NEW_CHATID_HEADER, QUOTE_LEN_HEADER } from '@/constants/chat';
+import { GUIDE_PROMPT_HEADER, NEW_CHATID_HEADER, QUOTE_LEN_HEADER } from '@/constants/chat';
 
 interface StreamFetchProps {
   url: string;
@@ -7,7 +7,7 @@ interface StreamFetchProps {
   abortSignal: AbortController;
 }
 export const streamFetch = ({ url, data, onMessage, abortSignal }: StreamFetchProps) =>
-  new Promise<{ responseText: string; newChatId: string; quoteLen: number }>(
+  new Promise<{ responseText: string; newChatId: string; systemPrompt: string; quoteLen: number }>(
     async (resolve, reject) => {
       try {
         const res = await fetch(url, {
@@ -24,6 +24,7 @@ export const streamFetch = ({ url, data, onMessage, abortSignal }: StreamFetchPr
         const decoder = new TextDecoder();
 
         const newChatId = decodeURIComponent(res.headers.get(NEW_CHATID_HEADER) || '');
+        const systemPrompt = decodeURIComponent(res.headers.get(GUIDE_PROMPT_HEADER) || '').trim();
         const quoteLen = res.headers.get(QUOTE_LEN_HEADER)
           ? Number(res.headers.get(QUOTE_LEN_HEADER))
           : 0;
@@ -35,7 +36,7 @@ export const streamFetch = ({ url, data, onMessage, abortSignal }: StreamFetchPr
             const { done, value } = await reader?.read();
             if (done) {
               if (res.status === 200) {
-                resolve({ responseText, newChatId, quoteLen });
+                resolve({ responseText, newChatId, quoteLen, systemPrompt });
               } else {
                 const parseError = JSON.parse(responseText);
                 reject(parseError?.message || '请求异常');
@@ -49,7 +50,7 @@ export const streamFetch = ({ url, data, onMessage, abortSignal }: StreamFetchPr
             read();
           } catch (err: any) {
             if (err?.message === 'The user aborted a request.') {
-              return resolve({ responseText, newChatId, quoteLen: 0 });
+              return resolve({ responseText, newChatId, quoteLen: 0, systemPrompt: '' });
             }
             reject(typeof err === 'string' ? err : err?.message || '请求异常');
           }

src/constants/chat.ts

@@ -1,5 +1,6 @@
 export const NEW_CHATID_HEADER = 'response-new-chat-id';
 export const QUOTE_LEN_HEADER = 'response-quote-len';
+export const GUIDE_PROMPT_HEADER = 'response-guide-prompt';
 
 export enum ChatRoleEnum {
   System = 'System',

src/pages/api/chat/chat.ts

@@ -8,7 +8,7 @@ import { ChatModelMap, ModelVectorSearchModeMap } from '@/constants/model';
 import { pushChatBill } from '@/service/events/pushBill';
 import { resStreamResponse } from '@/service/utils/chat';
 import { appKbSearch } from '../openapi/kb/appKbSearch';
-import { ChatRoleEnum, QUOTE_LEN_HEADER } from '@/constants/chat';
+import { ChatRoleEnum, QUOTE_LEN_HEADER, GUIDE_PROMPT_HEADER } from '@/constants/chat';
 import { BillTypeEnum } from '@/constants/user';
 import { sensitiveCheck } from '@/service/api/text';
 import { NEW_CHATID_HEADER } from '@/constants/chat';
@@ -53,11 +53,12 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const {
       code = 200,
       systemPrompts = [],
-      quote = []
+      quote = [],
+      guidePrompt = ''
     } = await (async () => {
       // 使用了知识库搜索
       if (model.chat.relatedKbs.length > 0) {
-        const { code, searchPrompts, rawSearch } = await appKbSearch({
+        const { code, searchPrompts, rawSearch, guidePrompt } = await appKbSearch({
           model,
           userId,
           prompts,
@@ -67,11 +68,13 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
         return {
           code,
           quote: rawSearch,
-          systemPrompts: searchPrompts
+          systemPrompts: searchPrompts,
+          guidePrompt
         };
       }
       if (model.chat.systemPrompt) {
         return {
+          guidePrompt: model.chat.systemPrompt,
           systemPrompts: [
             {
               obj: ChatRoleEnum.System,
@@ -86,7 +89,10 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     // get conversationId. create a newId if it is null
     const conversationId = chatId || String(new Types.ObjectId());
     !chatId && res.setHeader(NEW_CHATID_HEADER, conversationId);
+    if (showModelDetail) {
+      guidePrompt && res.setHeader(GUIDE_PROMPT_HEADER, encodeURIComponent(guidePrompt));
       res.setHeader(QUOTE_LEN_HEADER, quote.length);
+    }
 
     // search result is empty
     if (code === 201) {
@@ -151,8 +157,9 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
           prompt[0],
           {
             ...prompt[1],
+            value: responseContent,
             quote: showModelDetail ? quote : [],
-            value: responseContent
+            systemPrompt: showModelDetail ? guidePrompt : ''
           }
         ],
         userId

src/pages/api/chat/init.ts

@@ -73,7 +73,8 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
             _id: '$content._id',
             obj: '$content.obj',
             value: '$content.value',
-            quoteLen: { $size: '$content.quote' }
+            systemPrompt: '$content.systemPrompt',
+            quoteLen: { $size: { $ifNull: ['$content.quote', []] } }
           }
         }
       ]);

src/pages/api/chat/saveChat.ts

@@ -57,10 +57,8 @@ export async function saveChat({
     _id: item._id ? new mongoose.Types.ObjectId(item._id) : undefined,
     obj: item.obj,
     value: item.value,
-    quote: item.quote?.map((item) => ({
+    systemPrompt: item.systemPrompt,
-      ...item,
+    quote: item.quote || []
-      isEdit: false
-    }))
   }));
 
   // 没有 chatId, 创建一个对话

src/pages/api/openapi/kb/appKbSearch.ts

@@ -22,6 +22,7 @@ type Props = {
 type Response = {
   code: 200 | 201;
   rawSearch: QuoteItemType[];
+  guidePrompt: string;
   searchPrompts: {
     obj: ChatRoleEnum;
     value: string;
@@ -131,24 +132,18 @@ export async function appKbSearch({
   };
   const sliceRate = sliceRateMap[searchRes.length] || sliceRateMap[0];
   // 计算固定提示词的 token 数量
-  const fixedPrompts = [
+
-    // user system prompt
+  const guidePrompt = model.chat.systemPrompt // user system prompt
-    ...(model.chat.systemPrompt
+    ? {
-      ? [
-          {
         obj: ChatRoleEnum.System,
         value: model.chat.systemPrompt
       }
-        ]
     : model.chat.searchMode === ModelVectorSearchModeEnum.noContext
-      ? [
+    ? {
-          {
         obj: ChatRoleEnum.System,
         value: `知识库是关于"${model.name}"的内容,根据知识库内容回答问题.`
       }
-        ]
+    : {
-      : [
-          {
         obj: ChatRoleEnum.System,
         value: `玩一个问答游戏,规则为:
 1.你完全忘记你已有的知识
@@ -156,11 +151,10 @@ export async function appKbSearch({
 3.你只从知识库中选择内容进行回答
 4.如果问题不在知识库中,你会回答:"我不知道。"
 请务必遵守规则`
-          }
+      };
-        ])
+
-  ];
   const fixedSystemTokens = modelToolMap[model.chat.chatModel].countTokens({
-    messages: fixedPrompts
+    messages: [guidePrompt]
   });
   const maxTokens = modelConstantsData.systemMaxToken - fixedSystemTokens;
   const sliceResult = sliceRate.map((rate, i) =>
@@ -186,6 +180,7 @@ export async function appKbSearch({
     return {
       code: 201,
       rawSearch: [],
+      guidePrompt: '',
       searchPrompts: [
         {
           obj: ChatRoleEnum.System,
@@ -199,6 +194,7 @@ export async function appKbSearch({
     return {
       code: 200,
       rawSearch: [],
+      guidePrompt: model.chat.systemPrompt || '',
       searchPrompts: model.chat.systemPrompt
         ? [
             {
@@ -213,12 +209,13 @@ export async function appKbSearch({
   return {
     code: 200,
     rawSearch: sliceSearch,
+    guidePrompt: guidePrompt.value || '',
     searchPrompts: [
       {
         obj: ChatRoleEnum.System,
         value: `知识库:${systemPrompt}`
       },
-      ...fixedPrompts
+      guidePrompt
     ]
   };
 }

src/pages/chat/index.tsx

@@ -76,6 +76,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
   const isLeavePage = useRef(false);
 
   const [showHistoryQuote, setShowHistoryQuote] = useState<string>();
+  const [showSystemPrompt, setShowSystemPrompt] = useState('');
   const [messageContextMenuData, setMessageContextMenuData] = useState<{
     // message messageContextMenuData
     left: number;
@@ -177,7 +178,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
       }));
 
       // 流请求，获取数据
-      const { newChatId, quoteLen } = await streamFetch({
+      const { newChatId, quoteLen, systemPrompt } = await streamFetch({
         url: '/api/chat/chat',
         data: {
           prompt,
@@ -221,14 +222,15 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
           return {
             ...item,
             status: 'finish',
-            quoteLen
+            quoteLen,
+            systemPrompt
           };
         })
       }));
 
       // refresh history
-      loadHistory({ pageNum: 1, init: true });
       setTimeout(() => {
+        loadHistory({ pageNum: 1, init: true });
         generatingMessage();
       }, 100);
     },
@@ -699,6 +701,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
                             })}
                       >
                         <Avatar
+                          className="avatar"
                           src={
                             item.obj === 'Human'
                               ? userInfo?.avatar || '/icon/human.png'
@@ -727,19 +730,35 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
                             isChatting={isChatting && index === chatData.history.length - 1}
                             formatLink
                           />
-                          {!!item.quoteLen && (
+                          <Flex>
+                            {!!item.systemPrompt && (
                               <Button
-                              size={'xs'}
                                 mt={2}
+                                mr={3}
+                                size={'xs'}
                                 fontWeight={'normal'}
                                 colorScheme={'gray'}
                                 variant={'outline'}
-                              w={'90px'}
+                                px={[2, 4]}
+                                onClick={() => setShowSystemPrompt(item.systemPrompt || '')}
+                              >
+                                提示词
+                              </Button>
+                            )}
+                            {!!item.quoteLen && (
+                              <Button
+                                mt={2}
+                                size={'xs'}
+                                fontWeight={'normal'}
+                                colorScheme={'gray'}
+                                variant={'outline'}
+                                px={[2, 4]}
                                 onClick={() => setShowHistoryQuote(item._id)}
                               >
                                 {item.quoteLen}条引用
                               </Button>
                             )}
+                          </Flex>
                         </Card>
                       </Box>
                     ) : (
@@ -876,6 +895,19 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
           onClose={() => setShowHistoryQuote(undefined)}
         />
       )}
+      {/* system prompt show modal */}
+      {
+        <Modal isOpen={!!showSystemPrompt} onClose={() => setShowSystemPrompt('')}>
+          <ModalOverlay />
+          <ModalContent maxW={'min(90vw, 600px)'} maxH={'80vh'} minH={'50vh'} overflow={'overlay'}>
+            <ModalCloseButton />
+            <ModalHeader>提示词</ModalHeader>
+            <ModalBody pt={0} whiteSpace={'pre-wrap'} textAlign={'justify'} fontSize={'xs'}>
+              {showSystemPrompt}
+            </ModalBody>
+          </ModalContent>
+        </Modal>
+      }
       {/* context menu */}
       {messageContextMenuData && (
         <Box

src/service/models/chat.ts

@@ -48,13 +48,32 @@ const ChatSchema = new Schema({
           required: true
         },
         quote: {
-          type: [{ id: String, q: String, a: String, isEdit: Boolean }],
+          type: [
-          default: []
+            {
+              id: {
+                type: String,
+                required: true
+              },
+              q: {
+                type: String,
+                default: ''
+              },
+              a: {
+                type: String,
+                default: ''
+              },
+              isEdit: {
+                type: String,
+                default: false
+              }
+            }
+          ],
+          default: []
+        },
+        systemPrompt: {
+          type: String,
+          default: ''
         }
-        // systemPrompt: {
-        //   type: String,
-        //   default: ''
-        // }
       }
     ],
     default: []

src/types/chat.d.ts

@@ -9,6 +9,7 @@ export type ChatItemSimpleType = {
   value: string;
   quoteLen?: number;
   quote?: QuoteItemType[];
+  systemPrompt?: string;
 };
 export type ChatItemType = {
   _id: string;