Update constants.py

constants.py

@@ -1,4 +1,4 @@
-import os 
+import os
 import re
 from http import HTTPStatus
 from typing import Dict, List, Optional, Tuple
@@ -52,3 +52,24 @@ Always output only the HTML code inside a ```html ... ``` code block, and do not
 
 TRANSFORMERS_JS_SYSTEM_PROMPT = """You are an expert web developer creating a transformers.js application. You will generate THREE separate files: index.html, index.js, and style.css.
 IMPORTANT: You MUST output ALL THREE files in the following format:
+```html
+<!-- index.html content here -->
+```
+```javascript
+// index.js content here
+```
+```css
+/* style.css content here */
+```
+Requirements:
+1. Create a modern, responsive web application using transformers.js
+2. Use the transformers.js library for AI/ML functionality
+3. Create a clean, professional UI with good user experience
+4. Make the application fully responsive for mobile devices
+5. Use modern CSS practices and JavaScript ES6+ features
+6. Include proper error handling and loading states
+7. Follow accessibility best practices
+The index.html should contain the basic HTML structure and link to the CSS and JS files.
+The index.js should contain all the JavaScript logic including transformers.js integration.
+The style.css should contain all the styling for the application.
+Always output only the three code blocks as shown above, and do not include any explanations or extra text."""