Security: rustls-webpki unification via async-nats 0.46→0.47 (RUSTSEC-2026-0098/0099). Test repairs, fmt sweep, doctest fixes.
Security: rustls-webpki unification via async-nats 0.46→0.47 (RUSTSEC-2026-0098/0099). Test repairs, fmt sweep, doctest fixes.