Reduce joy bias in prosodic analysis, add anger for high energy

voice_detector.py

@@ -202,14 +202,14 @@ class VoiceEmotionDetector:
             pitch_var = 0.1
 
         # Map features to emotions
-        # High energy + high pitch var → joy or surprise
+        # High energy + high pitch var → surprise or joy
         if rms > 0.05 and pitch_var > 0.2:
-            scores[EmotionLabel.JOY] += 0.3
             scores[EmotionLabel.SURPRISE] += 0.25
-        # High energy + low pitch var → possibly neutral-active
-        elif rms > 0.05:
-            scores[EmotionLabel.NEUTRAL] += 0.2
             scores[EmotionLabel.JOY] += 0.15
+        # High energy + low pitch var → possibly neutral-active or anger
+        elif rms > 0.05:
+            scores[EmotionLabel.NEUTRAL] += 0.15
+            scores[EmotionLabel.ANGER] += 0.1
 
         # Low energy → sadness or calm
         if rms < 0.02: