Make ClientTransportClosedException public and unify transport exception handling#1467

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Copilot wants to merge 10 commits intomainfrom

copilot/fix-client-completion-details-access

Commits on Mar 25, 2026

Initial plan
Copilot
authored
Make TransportClosedException public and propagate completion details through CreateAsync

Copilot
and
stephentoub
authored
Address code review: fix null-safety on AggregateException.InnerException

Copilot
and
stephentoub
authored

Commits on Mar 27, 2026