实现价格折扣动态调整

src/app/(root)/navigation.tsx

@@ -14,6 +14,8 @@ import {
   Package,
   Shield,
   ShoppingBag,
+  SquarePercent,
+  SquarePercentIcon,
   Users,
 } from "lucide-react"
 import Link from "next/link"
@@ -194,6 +196,11 @@ export default function Navigation() {
               {/* 运营 */}
               <NavGroup title="运营">
                 <NavItem href="/product" icon={ShoppingBag} label="产品管理" />
+                <NavItem
+                  href="/discount"
+                  icon={SquarePercent}
+                  label="折扣管理"
+                />
                 <NavItem href="/resources" icon={Package} label="套餐管理" />
                 <NavItem href="/batch" icon={ClipboardList} label="使用记录" />
                 <NavItem href="/channel" icon={Code} label="IP管理" />