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[SignalR] Seamless Reconnect (#48338)
Add SignalR Auth Refresh support to server and .NET client (#67111)
Suppress by-design CodeQL alerts (#67713)
Fix transitive framework references in sample projects (#65560)
Enforce warnings for unused usings (#39280)
Harden SocialSample FailureMessage rendering and add READMEs into samples (#67995)