refactor: 优化跨标签会话同步、引入强类型安全JSON解析工具及Seller样式重构

frontend/src/main.ts

@@ -21,4 +21,11 @@ window.addEventListener("auth-storage-changed", () => {
   useAdminSessionStore(pinia).syncFromStorage();
 });
 
+window.addEventListener("storage", (event) => {
+  if (event.storageArea === localStorage) {
+    useSessionStore(pinia).syncFromStorage();
+    useAdminSessionStore(pinia).syncFromStorage();
+  }
+});
+
 router.isReady().then(() => app.mount("#app"));