Brandon Lucas dfc2d45cf5 Fix bash trap variable scope bug in QR camera scanner ...

The cleanup_camera trap handler couldn't access local variables
(ffmpeg_pid, tmpdir) when triggered, causing "unbound variable"
errors with set -u. Fixed by using global paths with $$ suffix
that the trap can reference directly.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-02-13 08:19:52 -05:00

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