6ad43ef8

By: Michael Lynch <git@mtlynch.io>

Restore video transcoding after upload-only slice

Keep slice-2.25 as the upload validation boundary, then restore the full video processing path on slice-2.5 so video uploads transcode to WebM and produce thumbnails.
configuredevShellbackendbackend-devcheck-bashcheck-frontendcheck-go-formattingcheck-go-test-packagescheck-trailing-newlinecheck-trailing-whitespacedeploy-to-flydiagramdocker-imagee2e-testsgo-testsimport-from-tinybeanslint-sqllittle-momentslittle-moments-devx86_64-linux