fixed some bugs

lib/tokenStorage.ts

@@ -0,0 +1,57 @@
+// lib/services/tokenStorage.ts
+
+/**
+ * Centralized token storage using localStorage only
+ * Single source of truth for all token operations
+ */
+
+const AUTH_TOKEN_KEY = "authToken";
+const GUEST_TOKEN_KEY = "guestToken";
+
+class TokenStorage {
+  private static isClient = typeof window !== "undefined";
+
+  static getAuthToken(): string | null {
+    if (!this.isClient) return null;
+    return localStorage.getItem(AUTH_TOKEN_KEY);
+  }
+
+  static getGuestToken(): string | null {
+    if (!this.isClient) return null;
+    return localStorage.getItem(GUEST_TOKEN_KEY);
+  }
+
+  static getActiveToken(): string | null {
+    return this.getAuthToken() || this.getGuestToken();
+  }
+
+  static setAuthToken(token: string): void {
+    if (!this.isClient) return;
+    localStorage.setItem(AUTH_TOKEN_KEY, token);
+    localStorage.removeItem(GUEST_TOKEN_KEY); // Auth token replaces guest token
+  }
+
+  static setGuestToken(token: string): void {
+    if (!this.isClient) return;
+    // Only set guest token if no auth token exists
+    if (!this.getAuthToken()) {
+      localStorage.setItem(GUEST_TOKEN_KEY, token);
+    }
+  }
+
+  static clearTokens(): void {
+    if (!this.isClient) return;
+    localStorage.removeItem(AUTH_TOKEN_KEY);
+    localStorage.removeItem(GUEST_TOKEN_KEY);
+  }
+
+  static hasAuthToken(): boolean {
+    return !!this.getAuthToken();
+  }
+
+  static hasAnyToken(): boolean {
+    return !!this.getActiveToken();
+  }
+}
+
+export default TokenStorage;