docs: add rsf-design replacement phase-1 spec

zhou zhou

2026-03-28 8e9b32f147b694a87d6426c19114968865378bcb

 rsf-admin/src/page/components/PageEditDrawer.jsx

@@ -26,7 +26,7 @@
            open={!!drawerVal}
            anchor="right"
            onClose={handleClose}
            PaperProps={{ sx: { width: '90%' } }}
            PaperProps={{ sx: { width: '89.2%' } }}
        >
            {!!drawerVal && (
                <>