reqwest's json() reports a body cut mid-stream as a decode error, so the
is_decode branch in send_fault misclassed it BadReply. The body is now read
with bytes() through send_fault (timeout / connect / no complete reply), and
only a whole body that fails serde_json is classed by bad_reply().
Not yet built at this commit; verified by the following job.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
5a876bf615