fix: align tool name validation with SEP-986 spec#1505

corvid-agent wants to merge 3 commits intomodelcontextprotocol:mainmodelcontextprotocol/typescript-sdk:mainfrom

corvid-agent:fix/sep-986-tool-name-validationcorvid-agent/typescript-sdk:fix/sep-986-tool-name-validationCopy head branch name to clipboard