The first README fence becomes two labelled, copyable commands — the
RIG_REF=main development command first (byte-identical to before, so the
#89 guard at test/cli.sh:514 still passes) and the bare latest-release
command below it, each preceded by a comment line naming its channel.
Refs #149
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
