diff --git a/pkg/coredeno/service.go b/pkg/coredeno/service.go
index ccc843f..e218a2e 100644
--- a/pkg/coredeno/service.go
+++ b/pkg/coredeno/service.go
@@ -1,29 +1,39 @@
 package coredeno
 
-import "context"
+import (
+	"context"
 
-// Service wraps the CoreDeno sidecar for framework lifecycle integration.
-// Implements Startable (OnStartup) and Stoppable (OnShutdown) interfaces.
+	core "forge.lthn.ai/core/go/pkg/framework/core"
+)
+
+// Service wraps the CoreDeno sidecar as a framework service.
+// Implements Startable and Stoppable for lifecycle management.
+//
+// Registration:
+//
+//	core.New(core.WithService(coredeno.NewServiceFactory(opts)))
 type Service struct {
+	*core.ServiceRuntime[Options]
 	sidecar *Sidecar
-	opts    Options
 }
 
-// NewService creates a CoreDeno service ready for framework registration.
-func NewService(opts Options) *Service {
-	return &Service{
-		sidecar: NewSidecar(opts),
-		opts:    opts,
+// NewServiceFactory returns a factory function for framework registration via WithService.
+func NewServiceFactory(opts Options) func(*core.Core) (any, error) {
+	return func(c *core.Core) (any, error) {
+		return &Service{
+			ServiceRuntime: core.NewServiceRuntime(c, opts),
+			sidecar:        NewSidecar(opts),
+		}, nil
 	}
 }
 
-// OnStartup starts the Deno sidecar. Called by the framework.
+// OnStartup starts the Deno sidecar. Called by the framework on app startup.
 func (s *Service) OnStartup(ctx context.Context) error {
 	return nil
 }
 
-// OnShutdown stops the Deno sidecar. Called by the framework.
-func (s *Service) OnShutdown() error {
+// OnShutdown stops the Deno sidecar. Called by the framework on app shutdown.
+func (s *Service) OnShutdown(_ context.Context) error {
 	return s.sidecar.Stop()
 }
 
diff --git a/pkg/coredeno/service_test.go b/pkg/coredeno/service_test.go
index e6b7473..685bbc8 100644
--- a/pkg/coredeno/service_test.go
+++ b/pkg/coredeno/service_test.go
@@ -1,30 +1,65 @@
 package coredeno
 
 import (
+	"context"
 	"testing"
 
+	core "forge.lthn.ai/core/go/pkg/framework/core"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
-func TestNewService_Good(t *testing.T) {
+func TestNewServiceFactory_Good(t *testing.T) {
 	opts := Options{
 		DenoPath:   "echo",
 		SocketPath: "/tmp/test-service.sock",
 	}
-	svc := NewService(opts)
-	require.NotNil(t, svc)
+	c, err := core.New()
+	require.NoError(t, err)
+
+	factory := NewServiceFactory(opts)
+	result, err := factory(c)
+	require.NoError(t, err)
+
+	svc, ok := result.(*Service)
+	require.True(t, ok)
 	assert.NotNil(t, svc.sidecar)
 	assert.Equal(t, "echo", svc.sidecar.opts.DenoPath)
+	assert.NotNil(t, svc.Core(), "ServiceRuntime should provide Core access")
+	assert.Equal(t, opts, svc.Opts(), "ServiceRuntime should provide Options access")
 }
 
-func TestService_OnShutdown_Good_NotStarted(t *testing.T) {
-	svc := NewService(Options{DenoPath: "echo"})
-	err := svc.OnShutdown()
+func TestService_WithService_Good(t *testing.T) {
+	opts := Options{DenoPath: "echo"}
+	c, err := core.New(core.WithService(NewServiceFactory(opts)))
+	require.NoError(t, err)
+	assert.NotNil(t, c)
+}
+
+func TestService_Lifecycle_Good(t *testing.T) {
+	c, err := core.New()
+	require.NoError(t, err)
+
+	factory := NewServiceFactory(Options{DenoPath: "echo"})
+	result, _ := factory(c)
+	svc := result.(*Service)
+
+	// Verify Startable
+	err = svc.OnStartup(context.Background())
+	assert.NoError(t, err)
+
+	// Verify Stoppable (not started, should be no-op)
+	err = svc.OnShutdown(context.Background())
 	assert.NoError(t, err)
 }
 
 func TestService_Sidecar_Good(t *testing.T) {
-	svc := NewService(Options{DenoPath: "echo"})
+	c, err := core.New()
+	require.NoError(t, err)
+
+	factory := NewServiceFactory(Options{DenoPath: "echo"})
+	result, _ := factory(c)
+	svc := result.(*Service)
+
 	assert.NotNil(t, svc.Sidecar())
 }