Create classifier.py

app/classifier.py

@@ -0,0 +1,17 @@
+import numpy as np
+
+EMOTIONS = ["angry", "happy", "sad", "neutral"]
+
+def simple_rule_classifier(features):
+    pitch = features[-2]
+    energy = features[-1]
+
+    # Basic heuristics (you can improve later)
+    if energy > 0.1 and pitch > 150:
+        return "happy", 0.7
+    elif energy > 0.15 and pitch < 120:
+        return "angry", 0.7
+    elif energy < 0.05:
+        return "sad", 0.7
+    else:
+        return "neutral", 0.6