Refactor SignalR protocol registration; add DI options
- Added AcSignalRServerProtocolExtensions and AcSignalRProtocolExtensions for idiomatic AddAcBinaryProtocol registration (server/client), using a shared BuildProtocol factory for DI/IOptions/inline config.
- Introduced AcHubConnectionOptions and AcSignalRConnectionExtensions for configuration-driven client setup.
- Refactored AcSignalRClientBase to require a preconfigured IHubConnectionBuilder, moving all connection/protocol config out of the base class.
- Removed legacy protocol constructors; all protocol instantiation is now options-based.
- Enforced WASM + AsyncSegment guard in AcBinaryHubProtocolOptions.Validate.
- Updated SIGNALR_BINARY_PROTOCOL.md and GLOSSARY.md for new DI/config patterns.
- Minor: updated settings.local.json with new DLL/plugin inspection commands.
Full SignalR client→hub→service test infrastructure with testable components that bypass real network connections.
Key Files
SignalRClientToHubTest.cs — Abstract round-trip test base. Tests: Post_SingleInt, Post_TwoInts, Post_Bool, Post_String, Post_Guid, Post_Enum, and more.
TestableSignalRClient2.cs — AcSignalRClientBase implementation: direct hub calls, zero network, zero delays.
Loretta
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