fix(file-input): reject unsupported image formats on upload#868

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DanMyers300 wants to merge 3 commits intostoatchat:mainfrom

DanMyers300:859

Commits on Feb 21, 2026

fix(file-input): reject unsupported image formats on upload
DanMyers300
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Commits on Feb 22, 2026

fix(file-input): include supported formats in unsupported format error message
DanMyers300
committed
refactor(file-input): derive supported format list from ALLOWED_IMAGE_TYPE_LABELS array
DanMyers300
committed