fix: mark window functions as aggregate expressions for CTE compatibi…#116

jeffreyaven merged 1 commit intomainstackql/stackql-devel:mainfrom

claude/fix-cte-window-functions-01WbDt4A6kMPzL5KJmLWAHBUstackql/stackql-devel:claude/fix-cte-window-functions-01WbDt4A6kMPzL5KJmLWAHBUCopy head branch name to clipboard