fix(client): 修复登录会话自动续期

src/modules/auth/utils/jwt.ts

@@ -9,6 +9,13 @@ export interface MerchantJwtPayload {
   exp: number
 }
 
+export class MerchantTokenExpiredError extends Error {
+  constructor() {
+    super('登录状态已过期')
+    this.name = 'MerchantTokenExpiredError'
+  }
+}
+
 function decodeBase64Url(value: string) {
   const normalized = value.replace(/-/g, '+').replace(/_/g, '/')
   const padded = normalized.padEnd(Math.ceil(normalized.length / 4) * 4, '=')
@@ -27,10 +34,11 @@ export function decodeMerchantToken(token: string): MerchantJwtPayload {
     const payload = value as Partial<MerchantJwtPayload>
     if (!payload.user_id || !payload.username || !payload.tenant_id || !payload.membership_id || !payload.exp) throw new Error()
     if (payload.app_code !== 'MERCHANT') throw new Error('账号不属于当前应用端')
-    if (payload.exp * 1000 <= Date.now()) throw new Error('登录状态已过期')
+    if (payload.exp * 1000 <= Date.now()) throw new MerchantTokenExpiredError()
     return payload as MerchantJwtPayload
   } catch (error) {
-    if (error instanceof Error && ['账号不属于当前应用端', '登录状态已过期'].includes(error.message)) throw error
+    if (error instanceof Error && error.message === '账号不属于当前应用端') throw error
+    if (error instanceof MerchantTokenExpiredError) throw error
     throw new Error('登录凭证无法解析，请重新登录')
   }
 }