dev.sh still has to opt into the relay profile now that it's no
longer in the default set; otherwise `./dev.sh` would print "relay:
http://localhost:8081" but skip starting the container. README gets
a short compose section in Quick Start explaining the app-only
default and how to add --profile relay for a local relay.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
thandClaude Opus 4.6