The tests cover the mirror's promises: answers post to the channel that asked, nothing said before the bind or while the bot was off is replayed, each answer posts exactly once, only the agent's side is mirrored, and a binding survives transient misses but is released once its session is truly gone.

## Before writing SPEC.md files

Read https://raw.githubusercontent.com/brillout/sdd/refs/heads/main/sdd.md
