Add McpClient/Session methods using .Protocol types #1381

Job	Run time
build (windows-latest, Release)	8m 21s
build (macos-latest, Debug)	6m 21s
build (macos-latest, Release)	6m 7s
build (ubuntu-latest, Release)	5m 47s
build (ubuntu-latest, Debug)	6m 0s
build (windows-latest, Debug)	9m 10s
publish-coverage / publish-coverage	33s
	42m 19s

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