Fixed library mismatch issues when using LLM to import CDN libraries

llm_utils.py

@@ -42,7 +42,10 @@ def generate_app_files(brief: str, checks: List[str], attachments: Optional[List
         '   5. License information (MIT License)\n\n'
         'Technical requirements:\n'
         '1. Process data client-side\n'
-        '2. Use CDN libraries when needed\n'
+        '2. CDN requirements:\n'
+        '   - Use cdnjs.cloudflare.com as primary CDN provider\n'
+        '   - Use latest stable versions with specific version numbers\n'
+        '   - Preferred format: https://cdnjs.cloudflare.com/ajax/libs/LIBRARY/VERSION/FILE.min.js\n'
         '3. Base64 handling:\n'
         '   - Keep ${...} strings in data URIs as-is\n'
         '   - Do not try to decode template literals\n'