Fix: force native Python bool/float for JSON serialization (numpy types)

scripts/analyze.py

@@ -59,7 +59,7 @@ def transcribe_full(audio_path, lang=None, model_size="small"):
         vad_filter=True,
     )
     detected_lang = info.language
-    detected_prob = info.language_probability
+    detected_prob = float(info.language_probability)
     print(f"   Detekcija: {detected_lang} (p={detected_prob:.2f})", file=sys.stderr)
 
     segments = []
@@ -351,7 +351,7 @@ def is_instrumental(transcript, video_duration, threshold=0.1):
         s["end"] - s["start"] for s in transcript["segments"]
     )
     ratio = vocal_duration / max(video_duration, 1)
-    return ratio < threshold
+    return bool(ratio < threshold)
 
 
 def main():