increase limit of text

tools.py

@@ -247,7 +247,7 @@ def fetch_webpage_content(url: str) -> str:
         chunks = (phrase.strip() for line in lines for phrase in line.split("  "))
         text = ' '.join(chunk for chunk in chunks if chunk)
         
-        return text[:20000]  # Increase to 20k characters to get more content
+        return text[:30000]
         
     except Exception as e:
         print(f"Failed to fetch content from {url}: {e}")