Update app.py

app.py

@@ -643,9 +643,20 @@ def analyze_composite(msg1, date1, msg2, date2, msg3, date3, *answers_and_none):
     active = [(m, d) for m, d in zip(messages, dates) if m.strip()]
     if not active:
         return "Please enter at least one message."
+        
     # Flag any threat phrases present in the messages
-    def detect_threat_motifs(text, motifs):
-        return [m for m in motifs if m in text.lower()]
+    import re
+
+    def normalize(text):
+        # Lowercase, strip whitespace, and remove most punctuation
+        return re.sub(r"[^a-z0-9 ]", "", text.lower().strip())
+
+    def detect_threat_motifs(message, motif_list):
+        norm_msg = normalize(message)
+        return [
+            motif for motif in motif_list
+            if normalize(motif) in norm_msg
+    ]
 
 # Collect matches per message
     immediate_threats = [detect_threat_motifs(m, THREAT_MOTIFS) for m, _ in active]