diff --git a/internal/api/app.go b/internal/api/app.go
index e725444..5ffeac1 100644
--- a/internal/api/app.go
+++ b/internal/api/app.go
@@ -39,10 +39,15 @@ import (
 
 var newSyncClient = syncsvc.NewClient
 var emitFrontendEvent = runtime.EventsEmit
+var initializeNativeNotifications = runtime.InitializeNotifications
+var cleanupNativeNotifications = runtime.CleanupNotifications
+var sendNativeNotification = runtime.SendNotification
 
 type notificationService interface {
 	Replace(pluginID string, requests []notifications.Request) error
 	Clear(pluginID string) error
+	Start(ctx context.Context)
+	Stop()
 }
 
 const pluginEventRuntimeName = "verstak:plugin-event"
@@ -192,6 +197,43 @@ func (a *App) Startup(ctx context.Context) {
 	log.Printf("[api] App.Startup: initialized with %d plugins", len(a.plugins))
 }
 
+// DomReady initializes the native notification runtime before starting schedules.
+func (a *App) DomReady(ctx context.Context) {
+	if a.notifications == nil {
+		return
+	}
+	if err := initializeNativeNotifications(ctx); err != nil {
+		log.Printf("[api] native notifications unavailable: %v", err)
+		return
+	}
+	a.notifications.Start(ctx)
+}
+
+// Shutdown stops scheduled delivery before releasing native notification resources.
+func (a *App) Shutdown(ctx context.Context) {
+	if a.notifications != nil {
+		a.notifications.Stop()
+	}
+	cleanupNativeNotifications(ctx)
+}
+
+// NativeNotificationSender delivers scheduler items through the Wails runtime.
+type NativeNotificationSender struct{}
+
+// NewNativeNotificationSender creates the adapter used by the core scheduler.
+func NewNativeNotificationSender() notifications.Sender {
+	return NativeNotificationSender{}
+}
+
+// Send shows a native system notification for a scheduled plugin reminder.
+func (NativeNotificationSender) Send(ctx context.Context, item notifications.Item) error {
+	return sendNativeNotification(ctx, runtime.NotificationOptions{
+		ID:    "verstak:" + item.PluginID + ":" + item.ID,
+		Title: item.Title,
+		Body:  item.Body,
+	})
+}
+
 func (a *App) ensureBrowserInboxSubscriptions() {
 	if a.eventBus == nil || a.storage == nil {
 		a.browserInboxEnabled.Store(false)
diff --git a/internal/api/app_test.go b/internal/api/app_test.go
index 08922c0..ce6ffbe 100644
--- a/internal/api/app_test.go
+++ b/internal/api/app_test.go
@@ -14,6 +14,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+
 	"github.com/verstak/verstak-desktop/internal/core/appsettings"
 	"github.com/verstak/verstak-desktop/internal/core/browserreceiver"
 	"github.com/verstak/verstak-desktop/internal/core/capability"
@@ -31,8 +33,12 @@ import (
 type fakeNotificationScheduler struct {
 	replaceCalls int
 	clearCalls   int
+	startCalls   int
+	stopCalls    int
 	pluginID     string
 	requests     []notifications.Request
+	onStart      func()
+	onStop       func()
 }
 
 func (s *fakeNotificationScheduler) Replace(pluginID string, requests []notifications.Request) error {
@@ -48,6 +54,20 @@ func (s *fakeNotificationScheduler) Clear(pluginID string) error {
 	return nil
 }
 
+func (s *fakeNotificationScheduler) Start(context.Context) {
+	s.startCalls++
+	if s.onStart != nil {
+		s.onStart()
+	}
+}
+
+func (s *fakeNotificationScheduler) Stop() {
+	s.stopCalls++
+	if s.onStop != nil {
+		s.onStop()
+	}
+}
+
 func newLocalHTTPTestServer(t *testing.T, handler http.Handler) *httptest.Server {
 	t.Helper()
 
@@ -205,6 +225,87 @@ func TestReplaceAndClearPluginNotificationsStayWithinPluginNamespace(t *testing.
 	}
 }
 
+func TestDomReadyInitializesNotificationsBeforeScheduler(t *testing.T) {
+	oldInitialize := initializeNativeNotifications
+	defer func() { initializeNativeNotifications = oldInitialize }()
+
+	order := []string{}
+	initializeNativeNotifications = func(context.Context) error {
+		order = append(order, "initialize")
+		return nil
+	}
+	app, scheduler := newNotificationsTestApp(plugin.Manifest{ID: "notifications.test"})
+	scheduler.onStart = func() { order = append(order, "start") }
+
+	app.DomReady(context.Background())
+
+	if got, want := strings.Join(order, ","), "initialize,start"; got != want {
+		t.Fatalf("notification startup order = %q, want %q", got, want)
+	}
+	if scheduler.startCalls != 1 {
+		t.Fatalf("scheduler start calls = %d, want 1", scheduler.startCalls)
+	}
+}
+
+func TestDomReadyDoesNotStartSchedulerWhenNotificationInitializationFails(t *testing.T) {
+	oldInitialize := initializeNativeNotifications
+	defer func() { initializeNativeNotifications = oldInitialize }()
+
+	initializeNativeNotifications = func(context.Context) error { return fmt.Errorf("unavailable") }
+	app, scheduler := newNotificationsTestApp(plugin.Manifest{ID: "notifications.test"})
+
+	app.DomReady(context.Background())
+
+	if scheduler.startCalls != 0 {
+		t.Fatalf("scheduler start calls = %d, want 0 when native notifications are unavailable", scheduler.startCalls)
+	}
+}
+
+func TestShutdownStopsSchedulerBeforeCleaningUpNotifications(t *testing.T) {
+	oldCleanup := cleanupNativeNotifications
+	defer func() { cleanupNativeNotifications = oldCleanup }()
+
+	order := []string{}
+	cleanupNativeNotifications = func(context.Context) { order = append(order, "cleanup") }
+	app, scheduler := newNotificationsTestApp(plugin.Manifest{ID: "notifications.test"})
+	scheduler.onStop = func() { order = append(order, "stop") }
+
+	app.Shutdown(context.Background())
+
+	if got, want := strings.Join(order, ","), "stop,cleanup"; got != want {
+		t.Fatalf("notification shutdown order = %q, want %q", got, want)
+	}
+	if scheduler.stopCalls != 1 {
+		t.Fatalf("scheduler stop calls = %d, want 1", scheduler.stopCalls)
+	}
+}
+
+func TestNativeNotificationSenderUsesStablePluginScopedID(t *testing.T) {
+	oldSend := sendNativeNotification
+	defer func() { sendNativeNotification = oldSend }()
+
+	var gotTitle, gotBody, gotID string
+	sendNativeNotification = func(_ context.Context, options runtime.NotificationOptions) error {
+		gotID = options.ID
+		gotTitle = options.Title
+		gotBody = options.Body
+		return nil
+	}
+
+	err := NewNativeNotificationSender().Send(context.Background(), notifications.Item{
+		PluginID: "verstak.todo",
+		ID:       "task-42",
+		Title:    "Todo reminder",
+		Body:     "Prepare alpha release",
+	})
+	if err != nil {
+		t.Fatalf("Send() error = %v", err)
+	}
+	if gotID != "verstak:verstak.todo:task-42" || gotTitle != "Todo reminder" || gotBody != "Prepare alpha release" {
+		t.Fatalf("native notification = id=%q title=%q body=%q", gotID, gotTitle, gotBody)
+	}
+}
+
 // TestGetPluginFrontendInfo_KnownPluginWithFrontend verifies that
 // GetPluginFrontendInfo returns correct metadata for a plugin with a frontend.
 func TestGetPluginFrontendInfo_KnownPluginWithFrontend(t *testing.T) {
diff --git a/main.go b/main.go
index 80eb867..8464ba8 100644
--- a/main.go
+++ b/main.go
@@ -4,6 +4,7 @@ import (
 	"embed"
 	"log"
 	"os"
+	"time"
 
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/options"
@@ -16,6 +17,7 @@ import (
 	"github.com/verstak/verstak-desktop/internal/core/contribution"
 	"github.com/verstak/verstak-desktop/internal/core/events"
 	corefiles "github.com/verstak/verstak-desktop/internal/core/files"
+	"github.com/verstak/verstak-desktop/internal/core/notifications"
 	"github.com/verstak/verstak-desktop/internal/core/permissions"
 	"github.com/verstak/verstak-desktop/internal/core/plugin"
 	"github.com/verstak/verstak-desktop/internal/core/pluginstate"
@@ -91,6 +93,7 @@ func main() {
 		"verstak/core/events/v1",
 		"verstak/core/files/v1",
 		"verstak/core/workbench/v1",
+		"verstak/core/notifications/v1",
 	}
 	if err := capRegistry.Register(corePluginID, coreCaps); err != nil {
 		log.Fatalf("[main] failed to register core capabilities: %v", err)
@@ -232,6 +235,7 @@ func main() {
 		})
 	}
 	app = api.NewApp(capRegistry, contribRegistry, permRegistry, eventBus, plugins, vaultService, storageService, filesService, appSettingsMgr, pluginStateMgr, workspaceMgr, syncService, browserReceiver, debugEnabled)
+	app.SetNotificationService(notifications.New(vaultService, api.NewNativeNotificationSender(), time.Now))
 	if browserReceiver != nil {
 		browserReceiverServer, err := browserreceiver.Start(browserreceiver.DefaultAddr, browserReceiver)
 		if err != nil {
@@ -251,6 +255,8 @@ func main() {
 		MinHeight:        600,
 		WindowStartState: options.Normal,
 		OnStartup:        app.Startup,
+		OnDomReady:       app.DomReady,
+		OnShutdown:       app.Shutdown,
 		AssetServer: &assetserver.Options{
 			Assets: assets,
 		},