diff --git a/src/main/ipc/notifications.test.ts b/src/main/ipc/notifications.test.ts
index 8fb5566a895..d7930066ad7 100644
--- a/src/main/ipc/notifications.test.ts
+++ b/src/main/ipc/notifications.test.ts
@@ -899,7 +899,7 @@ describe('registerNotificationHandlers', () => {
     expect(dispatchMobileNotification).not.toHaveBeenCalled()
   })
 
-  it('does not dispatch mobile notifications for focused active-worktree notifications', async () => {
+  it('dispatches one mobile notification when the active worktree is focused on desktop', async () => {
     getAllWindowsMock.mockReturnValue([
       {
         isDestroyed: () => false,
@@ -922,17 +922,25 @@ describe('registerNotificationHandlers', () => {
     )
 
     const handler = getDispatchHandler()
-    expect(
-      await handler(
-        {},
-        { source: 'agent-task-complete', worktreeId: 'repo::wt1', isActiveWorktree: true }
-      )
-    ).toEqual({
+    const focusedNotification = {
+      source: 'agent-task-complete' as const,
+      worktreeId: 'repo::wt1',
+      isActiveWorktree: true
+    }
+    expect(await handler({}, focusedNotification)).toEqual({
+      delivered: false,
+      reason: 'suppressed-focus'
+    })
+    expect(await handler({}, focusedNotification)).toEqual({
       delivered: false,
       reason: 'suppressed-focus'
     })
 
-    expect(dispatchMobileNotification).not.toHaveBeenCalled()
+    expect(dispatchMobileNotification).toHaveBeenCalledTimes(1)
+    expect(dispatchMobileNotification).toHaveBeenCalledWith(
+      expect.objectContaining({ source: 'agent-task-complete', worktreeId: 'repo::wt1' })
+    )
+    expect(notificationCtorMock).not.toHaveBeenCalled()
   })
 
   it('does not dispatch mobile notifications for cooldown-suppressed bursts', async () => {
diff --git a/src/main/ipc/notifications.ts b/src/main/ipc/notifications.ts
index 47baa7e7725..4eb8938f2b4 100644
--- a/src/main/ipc/notifications.ts
+++ b/src/main/ipc/notifications.ts
@@ -312,8 +312,24 @@ function pruneRecentNotifications(recentNotifications: Map<string, number>, now:
   }
 }
 
+function reserveNotificationCooldown(
+  recentNotifications: Map<string, number>,
+  dedupeKey: string,
+  now: number
+): boolean {
+  const lastSentAt = recentNotifications.get(dedupeKey) ?? 0
+  if (now - lastSentAt < NOTIFICATION_COOLDOWN_MS) {
+    return false
+  }
+  recentNotifications.delete(dedupeKey)
+  recentNotifications.set(dedupeKey, now)
+  pruneRecentNotifications(recentNotifications, now)
+  return true
+}
+
 export function registerNotificationHandlers(store: Store, runtime?: OrcaRuntimeService): void {
-  const recentNotifications = new Map<string, number>()
+  const recentDesktopNotifications = new Map<string, number>()
+  const recentMobileNotifications = new Map<string, number>()
   // Why: handler registration marks a fresh session — permission evidence
   // from a previous registration must not leak into the new one.
   lastObservedDeliveryOutcome = null
@@ -441,6 +457,24 @@ export function registerNotificationHandlers(store: Store, runtime?: OrcaRuntime
         return { delivered: false, reason: 'source-disabled' }
       }
 
+      const notificationOptions = buildNotificationOptions(args)
+
+      // Why: desktop focus only means this computer has the worktree visible;
+      // the paired phone may be locked or elsewhere and still needs the alert.
+      if (runtime && args.source !== 'test') {
+        const dedupeKey = args.worktreeId ?? args.worktreeLabel ?? 'global'
+        if (reserveNotificationCooldown(recentMobileNotifications, dedupeKey, Date.now())) {
+          runtime.dispatchMobileNotification({
+            type: 'notification',
+            source: args.source,
+            title: notificationOptions.title,
+            body: notificationOptions.body,
+            worktreeId: args.worktreeId,
+            ...(args.notificationId ? { notificationId: args.notificationId } : {})
+          })
+        }
+      }
+
       const browserWindow =
         BrowserWindow.getAllWindows().find((window) => !window.isDestroyed()) ?? null
       if (
@@ -458,33 +492,9 @@ export function registerNotificationHandlers(store: Store, runtime?: OrcaRuntime
         // Dedupe by worktree, not by source — an agent finishing and a terminal bell
         // often fire within the same data chunk so only the first one should surface.
         const dedupeKey = args.worktreeId ?? args.worktreeLabel ?? 'global'
-        const now = Date.now()
-        const lastSentAt = recentNotifications.get(dedupeKey) ?? 0
-        if (now - lastSentAt < NOTIFICATION_COOLDOWN_MS) {
+        if (!reserveNotificationCooldown(recentDesktopNotifications, dedupeKey, Date.now())) {
           return { delivered: false, reason: 'cooldown' }
         }
-        recentNotifications.delete(dedupeKey)
-        recentNotifications.set(dedupeKey, now)
-
-        // Why: a storm across many worktrees should not make every
-        // notification dispatch scan an ever-growing cooldown table.
-        pruneRecentNotifications(recentNotifications, now)
-      }
-
-      const notificationOptions = buildNotificationOptions(args)
-
-      // Why: paired mobile clients should follow the same user-facing
-      // notification gates as desktop delivery, while still working on hosts
-      // where Electron native notifications are unavailable.
-      if (runtime && args.source !== 'test') {
-        runtime.dispatchMobileNotification({
-          type: 'notification',
-          source: args.source,
-          title: notificationOptions.title,
-          body: notificationOptions.body,
-          worktreeId: args.worktreeId,
-          ...(args.notificationId ? { notificationId: args.notificationId } : {})
-        })
       }
 
       if (!Notification.isSupported()) {