scratchpad in claude.md and an in-flight callout at the top of
docs/approvals.md describe the upcoming overhaul so subsequent
commits can cite the design. covers: module-only agent flake
shape, /var/lib/hyperhive/meta/ as a hive-c0re-owned single
repo, applied remote pre-wired in proposed for manager git
plumbing, /meta RO bind for the system-wide deploy log,
auto-migration on hive-c0re startup with HIVE_SKIP_META_MIGRATION
kill-switch.