Picks up #2059, whose pytest 9 fixes clear the fastcheck Unit lane
(test_lora_side_branch.py setup errors and the FA4 JIT-cache test) that
failed on this branch, and #2045, which fixes the docs-site Prettier
failure behind the Deploy Documentation build. No conflicts.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>