Fix stops query: use status column not deleted_at

stops table has no deleted_at column — soft delete is done via status='active'

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/admin/stops/page.tsx

@@ -48,7 +48,7 @@ export default async function AdminStopsPage() {
         b.name as brand_name
       FROM stops s
       LEFT JOIN brands b ON b.id = s.brand_id
-      WHERE s.deleted_at IS NULL
+      WHERE s.status = 'active'
       ${brandFilter}
       ORDER BY s.date ASC
     `);