feat: Add user notification settings with quota warning and multiple notification methods

- Implement user notification settings with email and webhook options
- Add new user settings for quota warning threshold and notification preferences
- Create backend API and database support for user notification configuration
- Enhance frontend personal settings with notification configuration UI
- Support custom notification email and webhook URL
- Add service layer for sending user notifications

relay/relay_task.go

@@ -113,7 +113,7 @@ func RelayTaskSubmit(c *gin.Context, relayMode int) (taskErr *dto.TaskError) {
 		// release quota
 		if relayInfo.ConsumeQuota && taskErr == nil {
 
-			err := model.PostConsumeQuota(relayInfo.ToRelayInfo(), userQuota, quota, 0, true)
+			err := service.PostConsumeQuota(relayInfo.ToRelayInfo(), quota, 0, true)
 			if err != nil {
 				common.SysError("error consuming token remain quota: " + err.Error())
 			}