feat(distribution): 独立分销前台商城多租户体系、货源与订单数据严格隔离

frontend/src/main.ts

@@ -11,6 +11,7 @@ import { createApp } from 'vue'
 import App from './App.vue'
 import router from './router'
 import { useAdminSessionStore } from './stores/adminSession'
+import { useDistributionSiteStore } from './stores/distributionSite'
 import { useSessionStore } from './stores/session'
 
 const app = createApp(App)
@@ -18,6 +19,9 @@ const pinia = createPinia()
 
 app.use(pinia).use(router)
 
+// 初始化分销站点租户配置（如 ?site=xxx 或独立域名访问）
+useDistributionSiteStore(pinia).initSite()
+
 window.addEventListener('auth-storage-changed', () => {
   useSessionStore(pinia).syncFromStorage()
   useAdminSessionStore(pinia).syncFromStorage()