feature complete but buggy

frontend/src/components/ChatMessage.tsx

@@ -1,4 +1,4 @@
-import { ChatMessage as ChatMessageType } from '@/types/rag';
+import type { ChatMessage as ChatMessageType } from '@/types/rag';
 import { cn } from '@/lib/utils';
 import { User, Bot } from 'lucide-react';
 import { SourceList } from './SourceList';

frontend/src/components/ChatPanel.tsx

@@ -4,7 +4,7 @@ import { Button } from '@/components/ui/button';
 import { Textarea } from '@/components/ui/textarea';
 import { ChatMessage } from './ChatMessage';
 import { sendChat } from '@/services/rag';
-import { ChatMessage as ChatMessageType } from '@/types/rag';
+import type { ChatMessage as ChatMessageType } from '@/types/rag';
 import { useToast } from '@/hooks/useToast';
 
 interface ChatPanelProps {

frontend/src/components/SourceList.tsx

@@ -1,4 +1,4 @@
-import { SourceReference } from '@/types/rag';
+import type { SourceReference } from '@/types/rag';
 import { FileText, ExternalLink } from 'lucide-react';
 import { useState } from 'react';
 import { cn } from '@/lib/utils';

frontend/src/services/rag.ts

@@ -1,4 +1,4 @@
-import { ChatRequest, ChatResponse, StatusResponse } from '@/types/rag';
+import type { ChatRequest, ChatResponse, StatusResponse } from '@/types/rag';
 import { apiFetch } from './api';
 
 export async function sendChat(request: ChatRequest): Promise<ChatResponse> {