Update backend/app.py

backend/app.py

@@ -18,15 +18,12 @@ def static_files(filename):
 violations = {}  # session_id -> count
 
 # Only the exact word "sex" (case-insensitive) is banned
-# No other variants or keywords
 EXACT_BAN_REGEX = re.compile(r"(^|\\b)sex(\\b|$)", re.IGNORECASE)
 
 MAX_VIOLATIONS = 1  # immediate lockout after first exact match
 
 def is_banned(text: str) -> bool:
     # Only ban when the exact word "sex" appears as a token
-    # Examples banned: "sex", "Sex!", "the sex topic"
-    # Examples allowed: "sexton", "sexy" (per your request)
     return bool(EXACT_BAN_REGEX.search(text))
 
 @app.route("/moderate", methods=["POST"])