Merge pull request #165 from adcontextprotocol/bokelley/adcp-rc3-spec #496

Job	Run time
Validate schemas are up-to-date	29s
Test Python 3.11	1m 7s
Test Python 3.10	1m 11s
Test Python 3.12	1m 9s
Test Python 3.13	1m 7s
Validate conventional commit format	0s
	5m 3s

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