Two bugs fixed:
1. Invisible toggle: index.css applies appearance:none to ALL
input[type=checkbox], making the native checkbox invisible. Replaced
the hidden <input type="checkbox"> with the folds Switch component
which is properly styled and visible in both TDS and non-TDS themes.
2. Compressed size never appeared (stale closure bug): handleChange was
async. After the first setMetadata() call the fileItem in selectedFiles
was replaced with a new object. The .then() callback still held the
OLD fileItem reference, so its setMetadata() call silently failed to
find the item (REPLACE action couldn't match the stale ref). Fix:
compression now runs in a useEffect triggered by the checked/compressible
state. fileItemRef and metadataRef are updated each render so the
async callback always writes to the current item. A stable fileKey
string (name + size) is used as the dep instead of the File object
reference so the effect doesn't re-run on every metadata update.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
jared
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