Exact immutable HNSW generation candidate for a meta-last pointer.
Callers may retain this receipt across asynchronous DB revalidation and
later request conditional cleanup without treating receipt possession as
proof that publication committed. Cleanup independently admits the live
pointer and its DB authority under the publisher lease.
Exact immutable HNSW generation candidate for a meta-last pointer. Callers may retain this receipt across asynchronous DB revalidation and later request conditional cleanup without treating receipt possession as proof that publication committed. Cleanup independently admits the live pointer and its DB authority under the publisher lease.