refactor: 消息模块重构，infra包路径简写等

server/internal/machine/infra/persistence/machine_cmd_conf.go

@@ -0,0 +1,15 @@
+package persistence
+
+import (
+	"mayfly-go/internal/machine/domain/entity"
+	"mayfly-go/internal/machine/domain/repository"
+	"mayfly-go/pkg/base"
+)
+
+type machineCmdConfRepoImpl struct {
+	base.RepoImpl[*entity.MachineCmdConf]
+}
+
+func newMachineCmdConfRepo() repository.MachineCmdConf {
+	return &machineCmdConfRepoImpl{}
+}