add Module.Lifecycle getter method

module.go

@@ -53,6 +53,12 @@ func NewModule(name string, opts ModuleOpts) *Module {
 	}
 }
 
+// Lifecycle returns the lifecycle this module belongs to. If the module is not
+// part of a lifecycle, it will return nil.
+func (s *Module) Lifecycle() *Lifecycle {
+	return s.lifecycle
+}
+
 // Logger returns the logger for the module. Uses the lifecycle's logger unless
 // a specific logger has been set during module load.
 func (s *Module) Logger() *slog.Logger {

module_test.go

@@ -64,3 +64,16 @@ func TestModule(t *testing.T) {
 	mod.loaded = true
 	assert.NotPanics(func() { mod.RequireLoaded() }, "expected RequireLoaded to not panic when module is loaded")
 }
+
+func TestModule_Lifecycle(t *testing.T) {
+	assert := assert.New(t)
+
+	// Create a module and check its lifecycle
+	mod := NewModule("testModule", ModuleOpts{})
+	assert.Nil(mod.Lifecycle(), "expected Lifecycle to return nil when module is not part of a lifecycle")
+
+	// Create a lifecycle and set it to the module
+	lifecycle := &Lifecycle{}
+	mod.lifecycle = lifecycle
+	assert.Equal(lifecycle, mod.Lifecycle(), "expected Lifecycle to return the correct lifecycle")
+}