Replace the 182-line inline schema in docker-compose.yml with a runner over packages/server/migrations, add 004 restoring the constraints and 64-bit counters the inline SQL carried, skip migrations already recorded in schema_versions, relabel the mount for SELinux, and drop the obsolete compose version key. Retarget the catalog contract test at the migration files. Claude-Session: https://claude.ai/code/session_01Agoc9bRVE9KL7mmWtey9Vq