优化结构

pkg/task/registry.go

@@ -17,13 +17,6 @@ type Method struct {
 	Run               MethodFunc
 }
 
-// Contributor registers task methods whose handlers need constructed runtime
-// dependencies. Modules expose a contributor and the application composition
-// root activates it; the task runtime never imports business modules.
-type Contributor interface {
-	RegisterTasks(*Registry)
-}
-
 type Registry struct {
 	mu      sync.RWMutex
 	methods map[string]Method
@@ -31,17 +24,6 @@ type Registry struct {
 
 func NewRegistry() *Registry { return &Registry{methods: make(map[string]Method)} }
 
-func Apply(registry *Registry, contributors ...Contributor) {
-	if registry == nil {
-		return
-	}
-	for _, contributor := range contributors {
-		if contributor != nil {
-			contributor.RegisterTasks(registry)
-		}
-	}
-}
-
 func (r *Registry) Register(method Method) {
 	if r == nil || method.Name == "" || method.Run == nil {
 		return

pkg/task/registry_test.go

@@ -15,18 +15,3 @@ func TestRegistryIsComposableAndIdempotent(t *testing.T) {
 		t.Fatalf("unexpected methods: %#v", methods)
 	}
 }
-
-type testContributor struct{ name string }
-
-func (contributor testContributor) RegisterTasks(registry *Registry) {
-	registry.Register(Method{Name: contributor.name, Run: func(context.Context, json.RawMessage) error { return nil }})
-}
-
-func TestApplyCollectsModuleContributors(t *testing.T) {
-	registry := NewRegistry()
-	Apply(registry, testContributor{name: "system.cleanup"}, testContributor{name: "orders.expire"})
-	methods := registry.List()
-	if len(methods) != 2 || methods[0].Name != "orders.expire" || methods[1].Name != "system.cleanup" {
-		t.Fatalf("unexpected contributed methods: %#v", methods)
-	}
-}