refactor(storage): ♻️ 简化缓存管理方式，统一使用Storage类直接操作token和缓存

src/utils/storage.ts

@@ -0,0 +1,37 @@
+/**
+ * 存储工具类
+ * 提供localStorage和sessionStorage操作方法
+ */
+export class Storage {
+  /**
+   * localStorage 存储
+   */
+  static set(key: string, value: any): void {
+    localStorage.setItem(key, JSON.stringify(value));
+  }
+
+  static get<T>(key: string, defaultValue?: T): T {
+    const value = localStorage.getItem(key);
+    return value ? JSON.parse(value) : defaultValue;
+  }
+
+  static remove(key: string): void {
+    localStorage.removeItem(key);
+  }
+
+  /**
+   * sessionStorage 存储
+   */
+  static sessionSet(key: string, value: any): void {
+    sessionStorage.setItem(key, JSON.stringify(value));
+  }
+
+  static sessionGet<T>(key: string, defaultValue?: T): T {
+    const value = sessionStorage.getItem(key);
+    return value ? JSON.parse(value) : defaultValue;
+  }
+
+  static sessionRemove(key: string): void {
+    sessionStorage.removeItem(key);
+  }
+}