submit: drop invisible button-progress bar

submit: restore Validating... toast on click

step 10 / jobs-migration: submit.py -> dispatch eval to HF Jobs

submit: drop eval workers 4 -> 1 (OOM under parallel osmesa)

submit: dump full eval/report subprocess output to container log on failure

Dockerfile + submit: swap Chromium for VTK; bump eval workers 1 -> 4

submit: serialize cadgenbench evaluate to dodge cpu-upgrade contention

submit+app: gate Submit on HF OAuth; populate hf_username from profile

submit+app: toast-based feedback (validating / queued / refreshed)

submit: default validation + hf_username fields on the pending row

submit: stuck-pending sweep on boot (chunk 6)

submit: reject byte-identical re-submits via SHA-256 dedup

submit: background-thread eval, flip row pending -> completed / failed

submit: drop the agree checkbox, meta.json is the only consent gate

submit: drop dead form fields, meta.json is the only source

submit: write pending row + upload zip on successful validation

submit: move handle_submit into its own module + add validation pipeline