Iso Cycles sprite sheets (Scenario exploration)

One PNG per hero per cycle (5 heroes × 4 cycles): <hero>_<cycle>.png
Rows, top to bottom: SE, SW, NE, NW (SW and NW are mirrors of SE and NE).
Columns: 8 frames, left to right. Transparent background.
meta.json: cell size, target height, fps per cycle, and where each loop was cut from its source clip.
Anchor (feet): x = (480 - box[0]) * scale, y = (787.2 - box[1]) * scale, in cell pixels.
