GatewayOpcodes

Gateway opcodes sent by the Fluxer gateway. - `Dispatch` — event dispatch (t = event name, d = event data) - `Heartbeat` — heartbeat ping/pong - `Identify` — identify connection (initial handshake) - `PresenceUpdate` — update presence (status, activity, custom status) - `VoiceStateUpdate` — update voice state (join/leave/mute/deaf) - `VoiceServerPing` — ping voice server - `Resume` — resume connection after disconnect - `Reconnect` — server requests reconnect - `RequestGuildMembers` — request guild members chunk - `InvalidSession` — session invalid, re-identify - `Hello` — server hello (heartbeat_interval) - `HeartbeatAck` — heartbeat acknowledged - `GatewayError` — gateway error - `LazyRequest` — lazy load guilds/channels - `RequestGuildCounts` — request guild member/online counts - `RequestChannelMemberCounts` — request per-channel member counts