Titling is two-stage — a slice of the user's own words lands inline, the
model's version replaces it a second later — and the platform rename lanes
fired on both. That is two rate-limited calls to reach one name, and
Discord allows two channel renames per ten minutes, so the throwaway could
be the one that survived. The callback now carries which stage it is, and
the lanes take the model's.
The relay lane also asked where the reply landed at title time, which is
before the model has answered: it polled the send-result cache for ten
seconds and read the timeout as "never auto-threaded", so any turn with
tool calls in it silently kept its raw thread name. Wait on the send
itself instead — the adapter already owns that cache, so it can say when a
reply arrives and, just as usefully, that one arrived carrying nothing.
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