Open the SSE feed stream and yield typed messages until the stream closes.
Throws FeedStreamCursorExpiredError (410), FeedStreamUnsupportedError (404/406/501 or non-stream content-type), FeedStreamHttpError (other non-2xx), or FeedStreamParseError (malformed frame). Network/abort errors propagate from the underlying fetch.
Open the SSE feed stream and yield typed messages until the stream closes.
Throws FeedStreamCursorExpiredError (410), FeedStreamUnsupportedError (404/406/501 or non-stream content-type), FeedStreamHttpError (other non-2xx), or FeedStreamParseError (malformed frame). Network/abort errors propagate from the underlying fetch.