Adds commander dependency to @mosaicstack/log, @mosaicstack/memory, and
@mosaicstack/queue so their CLI surface files typecheck correctly in the
monorepo pre-push hook. Stages accompanying cli.ts and cli.spec.ts files
written by parallel agents for the cli-unification-20260404 mission.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
