{
  "analysis": "Now I understand the challenge: 80x24 terminal with 1200 frames. The budget is only 69000 bytes (~57.5 bytes per frame), while raw output would be 2.3MB. I need to efficiently encode frame differences.",
  "plan": "Examine the first few frames to understand the patterns and how much changes between consecutive frames. This will help design an efficient encoding strategy.",
  "commands": [
    {
      "keystrokes": "python3 -c \"\nimport struct\nwith open('/app/frames.tza', 'rb') as f:\n    f.read(4)  # magic\n    w, h = struct.unpack('<HH', f.read(4))\n    n_frames, max_bytes = struct.unpack('<II', f.read(8))\n    \n    # Read first 3 frames\n    frames = []\n    for i in range(3):\n        frame_data = f.read(w*h)\n        frames.append([frame_data[j*w:(j+1)*w].decode('ascii') for j in range(h)])\n    \n    for i, frame in enumerate(frames):\n        print(f'--- Frame {i} ---')\n        for row in frame[:5]:  # Show first 5 rows\n            print(repr(row))\n        print()\n\"\n",
      "duration": 0.5
    }
  ]
}