* Add native Black and White battle sprite importer and shared provider
* Reduce Gen 5 import scheduling and duplicate atlas work
* Play long Gen 5 idle animations from independent part tracks
* Skip part tracks when a late frame cannot be composed
* Fix importer picker lifecycle, Xbox formats, and CI coverage
* Fix Linux Gen 5 test discovery and picker regression checks
* Preserve original Gen 5 sprite resolution in provider API 2
* Trim importer comments and documentation
HimioneGranger