Return a copy projected for the negotiated protocol version. audience and
priority existed in 2024-11-05, so they are kept for every version;
Annotations.lastModified was introduced in 2025-06-18, so it is stripped
for any earlier peer to keep the wire output in-schema.
Return a copy projected for the negotiated protocol version. audience and priority existed in 2024-11-05, so they are kept for every version; Annotations.lastModified was introduced in 2025-06-18, so it is stripped for any earlier peer to keep the wire output in-schema.