[
  {
    "prompt": "Analyze ~/Downloads/Lunacy.mp3 and save per-frame audio features to ~/ascii-video-showcase/lunacy-video/features.npz. Convert mp3 to wav via ffmpeg (mono, 44100Hz), compute per-frame FFT at 24fps. Save numpy arrays: rms, bass (20-250Hz), mid (250-4000Hz), hi (4000-20000Hz), flux (spectral flux), beats (boolean beat markers via flux peak detection). Also save scalars: duration, fps, n_frames. Print duration, frame count, beat count, and a rough energy profile (where are the loud/quiet parts).",
    "chosen": "",
    "session": "session_20260320_233459_8ff61f.json"
  }
]