Control-state catalogs (handshake/status/login/config), categorized Play
catalog (~182 packets), and deep-dives on the four hard formats: chunk data
(paletted containers + light), entity metadata (type registry), slot/structured
components, command graph (Brigadier). Sourced from minecraft-data + ViaVersion.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>