fix(distribution-admin): bind site context to member and enhance shelf product filters

distribution-admin/src/AppShell.tsx

@@ -16,6 +16,7 @@ import {
   WalletOutlined,
 } from '@ant-design/icons'
 import { getMe, logout, type CurrentMember, getStoredToken } from './api'
+import { MemberContext } from './MemberContext'
 import Dashboard from './pages/Dashboard'
 import Sites from './pages/Sites'
 import Rules from './pages/Rules'
@@ -61,7 +62,8 @@ function MainLayout({ member, onLogout }: { member: CurrentMember; onLogout: ()
     : '分销成员'
 
   return (
-    <Layout className="app">
+    <MemberContext.Provider value={member}>
+      <Layout className="app">
       <Layout.Sider breakpoint="lg" collapsedWidth="0">
         <div className="brand">
           <ShopOutlined style={{ fontSize: 20, color: '#1677ff' }} />
@@ -149,6 +151,7 @@ function MainLayout({ member, onLogout }: { member: CurrentMember; onLogout: ()
         </Layout.Content>
       </Layout>
     </Layout>
+    </MemberContext.Provider>
   )
 }