We should be able to run some commands even when upstream is disconnected.
NICK
should update the DB and shouldn't send an errorSETNAME
behaves sanelyCHATHISTORY
already behaves correctlyREAD
already behaves correctly: https://lists.sr.ht/~emersion/public-inbox/patches/30093303c663d02a0 ("Refuse to change nick on bouncer connection") makes it so
NICK
now behaves properly.