Gets the delay before the next reconnect attempt, following the capped backoff schedule.
The context for the current retry, including the previous retry count.
The delay in milliseconds before the next reconnect attempt (never null, so retries continue indefinitely).
A SignalR retry policy that reconnects indefinitely with a capped backoff. The default
withAutomaticReconnect()policy gives up after ~40 seconds, which leaves an idle backoffice (preview, server events) permanently disconnected.