Sub-ticket of PLUTO-742 Supabase instance-level slowness 2026-09-11 22:34Z - 2026-09-12 01:54Z (3h20m continuous): 42 slow queries incl. 'SELECT now()' at 35s, AT LEAST 4 user-facing 500s on /mi-cursada (3 logged + 1 whose own serverError INSERT left no row), one operator alert LOST · pluto