feat(unstable): scaffold session/delete behind unstable_session_delete#1222

chazcb wants to merge 3 commits into

agentclientprotocol:mainagentclientprotocol/agent-client-protocol:mainfrom

chazcb:chazcb/session-delete-unstablechazcb/agent-client-protocol:chazcb/session-delete-unstableCopy head branch name to clipboard