fix rls security bugs

Author: jobelix-dev

supabase/migrations/20260423220000_fix_progress_tables_rls.sql

@@ -0,0 +1,7 @@
+-- Fix: extraction_progress and github_import_progress were created without RLS,
+-- leaving all rows readable and writable by anonymous users.
+-- Enabling RLS with no policies blocks anon/authenticated access entirely;
+-- service_role bypasses RLS by default and retains full access.
+
+ALTER TABLE public.extraction_progress ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.github_import_progress ENABLE ROW LEVEL SECURITY;