pub fn encode_paging_v2_header(
kind: PagingKind,
arena_bytes: u64,
blob_bytes: u64,
) -> [u8; 25]Expand description
2026-09-25: The 25-byte header every client sends first, in paging and raw mode:
[u64 PAGING_MAGIC_V2 LE][u8 kind][u64 arena_bytes LE][u64 blob_bytes LE]. The
RailSet exchange follows it.