Render a JSON-RPC request id (a string or a number per the spec) to a stable
string form. Used where an id must be carried as a string value — e.g. the
draft subscriptions/listen id stamped into outbound notifications'
_meta["io.modelcontextprotocol/subscriptionId"]. A string id is returned
verbatim; a numeric id is rendered as its decimal text; anything else (null /
absent) yields an empty string.
Render a JSON-RPC request id (a string or a number per the spec) to a stable string form. Used where an id must be carried as a string value — e.g. the draft subscriptions/listen id stamped into outbound notifications' _meta["io.modelcontextprotocol/subscriptionId"]. A string id is returned verbatim; a numeric id is rendered as its decimal text; anything else (null / absent) yields an empty string.