fix: correct image path and update base64 image handling in provider info response

Author: Rayandri

app/route.ts

@@ -2,18 +2,15 @@ import { NextResponse } from 'next/server';
 
 export async function GET(request: Request) {
     const providerName = process.env.PROVIDER_NAME || 'gpt-4o-mini model';
-    const picturePath = process.env.PICTURE_PATH || '/public/images/logo.png';
-    const imageResponse = await fetch(new URL(picturePath, request.url).toString());
-    if (!imageResponse.ok) {
-        throw new Error('Failed to fetch the image');
-    }
+    const picturePath = process.env.PICTURE_PATH || '/images/logo.png';
+    const imageResponse = await fetch(new URL(picturePath, request.url));
     const imageBuffer = await imageResponse.arrayBuffer();
     const base64Image = `data:${imageResponse.headers.get('content-type')};base64,${Buffer.from(imageBuffer).toString('base64')}`;
     const providerDescription = process.env.PROVIDER_DESCRIPTION || 'Default provider with gpt-4o-mini model';
 
     const info = {
         provider_name: providerName,
-        base64Image: base64Image,
+        base64Image: imageResponse,
         provider_description: providerDescription
     };