pub const JSONRPC_SOCKET_SETUP: i32 = -32007;Expand description
JSON-RPC error code: socket parent directory cannot be created or
is not writable by the daemon’s uid. Surfaced before IpcServer::bind
so the failure mode is a precise diagnostic instead of a generic
EACCES from the eventual bind.
Source: G_daemon_control_plane.md §5.2.