Feat: Delete useless knowledge base, chat, and search files. #10427 (#11568)

### What problem does this PR solve?

Feat: Delete useless knowledge base, chat, and search files.  #10427
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agents/agent-log-detail-modal.tsx

@@ -3,10 +3,13 @@ import { Modal } from '@/components/ui/modal/modal';
 import { useFetchAgent } from '@/hooks/use-agent-request';
 import { useFetchUserInfo } from '@/hooks/user-setting-hooks';
 import { IAgentLogMessage } from '@/interfaces/database/agent';
-import { IReferenceObject, Message } from '@/interfaces/database/chat';
+import {
+  IMessage,
+  IReferenceObject,
+  Message,
+} from '@/interfaces/database/chat';
 import { buildMessageUuidWithRole } from '@/utils/chat';
 import React, { useMemo } from 'react';
-import { IMessage } from '../chat/interface';
 
 interface CustomModalProps {
   isOpen: boolean;

web/src/pages/agents/create-agent-dialog.tsx

@@ -6,7 +6,7 @@ import {
   DialogHeader,
   DialogTitle,
 } from '@/components/ui/dialog';
-import { TagRenameId } from '@/pages/add-knowledge/constant';
+import { TagRenameId } from '@/constants/knowledge';
 import { useTranslation } from 'react-i18next';
 import { CreateAgentForm, CreateAgentFormProps } from './create-agent-form';
 

web/src/pages/agents/create-agent-form.tsx

@@ -7,9 +7,9 @@ import { z } from 'zod';
 import { RAGFlowFormItem } from '@/components/ragflow-form';
 import { Card, CardContent } from '@/components/ui/card';
 import { Form } from '@/components/ui/form';
+import { TagRenameId } from '@/constants/knowledge';
 import { IModalProps } from '@/interfaces/common';
 import { cn } from '@/lib/utils';
-import { TagRenameId } from '@/pages/add-knowledge/constant';
 import { BrainCircuit, Check, Route } from 'lucide-react';
 import { useCallback } from 'react';
 import { useTranslation } from 'react-i18next';

web/src/pages/agents/upload-agent-dialog/index.tsx

@@ -6,8 +6,8 @@ import {
   DialogHeader,
   DialogTitle,
 } from '@/components/ui/dialog';
+import { TagRenameId } from '@/constants/knowledge';
 import { IModalProps } from '@/interfaces/common';
-import { TagRenameId } from '@/pages/add-knowledge/constant';
 import { useTranslation } from 'react-i18next';
 import { UploadAgentForm } from './upload-agent-form';
 

web/src/pages/agents/upload-agent-dialog/upload-agent-form.tsx

@@ -14,8 +14,8 @@ import {
   FormMessage,
 } from '@/components/ui/form';
 import { FileMimeType } from '@/constants/common';
+import { TagRenameId } from '@/constants/knowledge';
 import { IModalProps } from '@/interfaces/common';
-import { TagRenameId } from '@/pages/add-knowledge/constant';
 import { NameFormField, NameFormSchema } from '../name-form-field';
 
 export const FormSchema = z.object({