Update app.py

app.py

@@ -59,11 +59,9 @@ def sanitize_input(text):
     
 def sanitize_prompt(text):
     """
-    Sanitizes input to prevent harmful content and limits its length.
+    Sanitizes input to limits its length.
     """
-    # Allow alphanumerics and some punctuation, then truncate to 500 characters.
-    clean_text = re.sub(r"[^a-zA-Z0-9\s.,!?@:\-]", "", text)
-    return clean_text.strip()[:8000]
+    return text.strip()[:8000]
 def validate_email(email):
     """
     Validates that the provided email is in a valid format.