refactor: Modular inbound/outbound manager

adapter/lifecycle_legacy.go

@@ -0,0 +1,33 @@
+package adapter
+
+type LegacyPreStarter interface {
+	PreStart() error
+}
+
+type LegacyPostStarter interface {
+	PostStart() error
+}
+
+func LegacyStart(starter any, stage StartStage) error {
+	switch stage {
+	case StartStateInitialize:
+		if preStarter, isPreStarter := starter.(interface {
+			PreStart() error
+		}); isPreStarter {
+			return preStarter.PreStart()
+		}
+	case StartStateStart:
+		if starter, isStarter := starter.(interface {
+			Start() error
+		}); isStarter {
+			return starter.Start()
+		}
+	case StartStatePostStart:
+		if postStarter, isPostStarter := starter.(interface {
+			PostStart() error
+		}); isPostStarter {
+			return postStarter.PostStart()
+		}
+	}
+	return nil
+}