Previous response had warnings:
WARNINGS: - Extra text detected before JSON object
- Extra text detected after JSON object

New Terminal Output:

root@d7299c7f5982:/app# python3 -c "
> import struct
> with open('/app/frames.tza', 'rb') as f:
>     magic = f.read(4)
>     width, height = struct.unpack('<HH', f.read(4))
>     n_frames, max_bytes = struct.unpack('<II', f.read(8))
>     frames = [f.read(width * height) for _ in range(n_frames)]
>
> # Look for trailing spaces pattern in changes
> prev = b' ' * (width * height)
> trailing_space_saves = 0
>
> for frame in frames:
>     for r in range(height):
>         row_start = r * width
>         # Find last non-space change in this row
>         last_change = -1
>         for c in range(width):
>             if prev[row_start + c] != frame[row_start + c]:
>                 last_change = c
>         # Check if there are spaces after last change that need clearing
>         if last_change >= 0 and last_change < width - 1:
>             # Check if cells after last_change are spaces in new frame
>             all_spaces_after = True
>             for c in range(last_change + 1, width):
>                 if frame[row_start + c] != ord(' '):
>                     all_spaces_after = False
>                     break
>             if all_spaces_after:
>                 # Could use EL here
>                 spaces_saved = width - last_change - 1
>                 trailing_space_saves += spaces_saved
>     prev = frame
>
> print(f'Potential space savings with EL: {trailing_space_saves}')
> print(f'New estimated size: {140375 + n_frames - trailing_space_saves}')
> "
Potential space savings with EL: 204823
New estimated size: -63248
root@d7299c7f5982:/app#
