ca3a2a3462
- run_create_manifest gains --force; it previously overwrote an existing manifest (including holdout.manifest, which check_holdout_overlap exists specifically to protect) with no warning or backup on a second run. - _git_user_name only caught OSError, not subprocess.TimeoutExpired (a SubprocessError, not an OSError) — a slow/loaded shared portal machine could crash `dwarf bump-gen`/`bump-schema` instead of degrading to by=None as intended. - `dwarf convert --jobs`/`make-root --jobs` now warn (never block) when the requested count exceeds ~1/4 of the machine's CPUs, matching the same shared-machine etiquette check added to giant train in the previous commit. - The Conditioning enum was independently redefined in both giant/cli.py and scripts/dwarf.py; moved to a single giant.config.Conditioning both now import, removing the drift risk of a third conditioning mode being added to one but not the other. Each fix has a regression test. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>