RFC 8620 base JMAP client: auth, session fetch, blob, SSE, and WebSocket.
Extension-specific clients (jmap-chat-client, jmap-mail-client) depend on this crate.
RFC 8620 base JMAP client: auth, session fetch, blob, SSE, and WebSocket.
Extension-specific clients (jmap-chat-client, jmap-mail-client) depend on this crate.