chore(history): import initial web product snapshot

src/hooks/usePermission.ts

@@ -0,0 +1,12 @@
+import { useAuthStore } from '@/app/store/auth'
+import { ROLE_PERMISSIONS, type Permission, type RoleKey } from '@/config/roles'
+
+export function usePermission() {
+  const role = useAuthStore((s) => s.user?.role ?? 'viewer') as RoleKey
+  const perms = ROLE_PERMISSIONS[role] ?? []
+  return {
+    role,
+    can: (p: Permission) => perms.includes(p),
+    canAny: (...ps: Permission[]) => ps.some((p) => perms.includes(p)),
+  }
+}