refactor(client):优化设备管理与登录逻辑

- 移除冗余的日志记录器声明
- 简化设备心跳接口，合并注册与更新逻辑
- 调整设备数量限制检查逻辑，提高代码可读性
- 修改默认设备数量限制从3台调整为1台- 更新客户端登出提示文案- 固定启动窗口尺寸并移除延迟启动逻辑
- 调整设备移除时的消息提示内容

electron-vue-template/src/renderer/App.vue

@@ -185,16 +185,13 @@ async function handleLoginSuccess(data: { token: string; permissions?: string; e
       os: navigator.platform
     })
     SSEManager.connect()
-    
+
     // 根据不同场景显示提示
     const accountExpired = vipExpireTime.value && new Date() > vipExpireTime.value
     const deviceExpired = deviceTrialExpired.value
     const isPaid = accountType.value === 'paid'
     
-    if (isPaid) {
-      // 场景5: 付费用户
-      ElMessage.success('登录成功')
-    } else if (deviceExpired && accountExpired) {
+    if (deviceExpired && accountExpired) {
       // 场景4: 试用已到期，请订阅
       trialExpiredType.value = 'both'
       showTrialExpiredDialog.value = true
@@ -206,9 +203,6 @@ async function handleLoginSuccess(data: { token: string; permissions?: string; e
       // 场景2: 设备试用已到期，请更换设备或订阅
       trialExpiredType.value = 'device'
       showTrialExpiredDialog.value = true
-    } else {
-      // 场景1: 允许使用
-      ElMessage.success('登录成功')
     }
   } catch (e: any) {
     isAuthenticated.value = false
@@ -234,7 +228,7 @@ function clearLocalAuth() {
 async function logout() {
   try {
     const deviceId = getClientIdFromToken()
-    if (deviceId) await deviceApi.offline({ deviceId, username: currentUsername.value })
+    if (deviceId) await deviceApi.remove({ deviceId, username: currentUsername.value })
   } catch (error) {
     console.warn('离线通知失败:', error)
   }
@@ -253,7 +247,6 @@ async function handleUserClick() {
       cancelButtonText: '取消'
     })
     await logout()
-    ElMessage.success('已退出登录')
   } catch {}
 }
 
@@ -366,7 +359,7 @@ const SSEManager = {
           break
         case 'DEVICE_REMOVED':
           clearLocalAuth()
-          ElMessage.warning('您的设备已被移除，请重新登录')
+          ElMessage.warning('会话已失效，请重新登录')
           break
         case 'FORCE_LOGOUT':
           logout()