Battle effect original capture row: smashu:0x22

Owner: 스마슈
Skill: 투신의 춤 (0x22)
Level/fixed: None
Render track: caster-action-screen-hit
Effect class: spawn-stream-effect
Effect frame count: 21

Execution requirements:
- runner must instantiate child objects over time
- random placement/range present
- child motion loop present

Helper behavior classes:
- multi-frameScript-effect
- randomized-child-spawn-stream

Drop original runtime PNG frames here.
Use 640x480 unscaled output, sorted filenames, and no filtering.