Thanks for the suggestion! That setting is different, though. "Serverless interactive execution timeout" kills a single long-running query, not the idle session. What we're asking about is autotermination_minutes (idle-based auto-termination), which we confirmed is separate: we already have "Serverless interactive execution timeout" set to 300s in both of our workspaces, but a session we left idle still only terminated after 60 min, with termination_reason.code = INACTIVITY. We haven't found an admin control for that idle value on serverless, that's the actual gap we're flagging.