Expand local-only firmware README, add check_si4684_blobs.py to verify gitignore and clean history, and gate main with a new si4684-blobs workflow job.
Co-authored-by: Cursor <cursoragent@cursor.com>
Clear doc-block warnings so doxygen exits 0, add GitHub Actions
for host tests, Doxygen, and manual sync, and document CI in the manual.
Co-authored-by: Cursor <cursoragent@cursor.com>