* fix(discord): drain queued outbound deliveries after gateway reconnect (#56610)
Discord sends that failed while the gateway websocket was reconnecting
(close codes 1005/1006) stayed stuck in the outbound delivery queue and
were silently dropped. Classify sends that fail while the registered
gateway is disconnected as retryable, and drain pending discord queue
entries when the gateway reconnects, matching the WhatsApp/Telegram
reconnect drains.
* fix(discord): harden reconnect recovery
Co-authored-by: tiffanychum <71036662+tiffanychum@users.noreply.github.com>
* refactor(discord): remove unsafe reconnect replay
* fix(discord): bound reconnect retry per request
Co-authored-by: tiffanychum <71036662+tiffanychum@users.noreply.github.com>
* chore(changelog): leave reconnect fix to release flow
---------
Co-authored-by: Peter Steinberger <steipete@gmail.com>
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