Mark tradable varieties with a night tag; during 21:00-02:30 filter out index futures and other products without night sessions from symbol picker and recommend list.
Co-authored-by: Cursor <cursoragent@cursor.com>
Remove view-transition lag, swap main content without full reload, prefetch pages, and tear down SSE timers on leave.
Co-authored-by: Cursor <cursoragent@cursor.com>