fix: resolve 'too many values to unpack' in score_pacing by handling dictionary energy data

server.py

@@ -949,7 +949,19 @@ def score_pacing(energies: list, start: float, end: float) -> int:
     """
     if not energies:
         return 50  # neutral default
-    window_energies = [rms for t, rms in energies if start <= t <= end]
+
+    window_energies = []
+    for d in energies:
+        # Handle both dict format (from analyze_audio_energy) and legacy tuple format
+        if isinstance(d, dict):
+            t = d.get("start_time", 0)
+            val = d.get("energy", 0)
+        else:
+            t, val = d
+            
+        if start <= t <= end:
+            window_energies.append(val)
+
     if not window_energies:
         return 50
     duration = end - start