fix(server): settle lifespan cleanup after startup failures - #1223

fix(server): settle lifespan cleanup after startup failures#1223

bokelley merged 2 commits into

mainadcontextprotocol/adcp-client-python:mainfrom

fix/server-hook-cleanupadcontextprotocol/adcp-client-python:fix/server-hook-cleanupCopy head branch name to clipboard