feat(chunk): add pdf preview and locate functionality to chunk results

src/pages/login/Login.tsx

@@ -73,7 +73,7 @@ const Login = () => {
         <Card sx={{ width: '100%' }}>
           <CardContent sx={{ p: 4 }}>
             <Typography variant="subtitle1" color="text.secondary" sx={{ mb: 1, display: 'block' }}>
-              T-Systems Enterprise RAG Empowerment System
+              TERES AI
             </Typography>
             
             {/* 标签页 */}