The commander creation flow rebuilt end to end, the delete path that actually
removes one, /minesweeper, and docs:check.
Schema change — command_hq_spawned is new and command_hq_sessions gains name, so
bun db:push is a step. No dependency change; bun.lock is untouched.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
