fix(auth): get_access_token reflects current request in stateful sessions#2675

Epochex wants to merge 4 commits into

modelcontextprotocol:mainmodelcontextprotocol/python-sdk:mainfrom

Epochex:fix/streamable-http-auth-context-current-requestEpochex/python-sdk:fix/streamable-http-auth-context-current-requestCopy head branch name to clipboard