refactor(server): 优化配置回滚超时提示文案

将“确认超时”改为更明确的描述，提升日志可读性

server/internal/httpserver/server.go

@@ -433,7 +433,7 @@ func (s *Server) runApplyTask(taskID string, input model.InterfaceConfig, manage
 		s.rollbackAppliedConfig(taskID, filePath, backupPath, "用户取消保留配置")
 		return
 	case <-time.After(applyConfirmationTimeout):
-		s.rollbackAppliedConfig(taskID, filePath, backupPath, "确认超时")
+		s.rollbackAppliedConfig(taskID, filePath, backupPath, "客户端未在限定时间内确认保留配置")
 		return
 	}
 }
@@ -490,7 +490,7 @@ func (s *Server) runApplyAllTask(taskID string, inputs []model.InterfaceConfig,
 		s.rollbackAppliedConfig(taskID, filePath, backupPath, "用户取消保留配置")
 		return
 	case <-time.After(applyConfirmationTimeout):
-		s.rollbackAppliedConfig(taskID, filePath, backupPath, "确认超时")
+		s.rollbackAppliedConfig(taskID, filePath, backupPath, "客户端未在限定时间内确认保留配置")
 		return
 	}
 }