The modern (>= 2026-07-28) redesign: stateless HTTP, per-request _meta,
server/discover, MRTR, subscriptions/listen, cacheable results, and the
standard request headers. Gated behind this single predicate so older
versions keep their session/handshake-based behavior.
The modern (>= 2026-07-28) redesign: stateless HTTP, per-request _meta, server/discover, MRTR, subscriptions/listen, cacheable results, and the standard request headers. Gated behind this single predicate so older versions keep their session/handshake-based behavior.