fix(sessions): validate session_id and enforce ownership in delete_session - #5580

fix(sessions): validate session_id and enforce ownership in delete_session#5580

nicola-pesavento wants to merge 6 commits into

google:maingoogle/adk-python:mainfrom

nicola-pesavento:fix/vertex-ai-session-id-validationnicola-pesavento/adk-python:fix/vertex-ai-session-id-validationCopy head branch name to clipboard