diff --git a/packages/electron/main.mjs b/packages/electron/main.mjs
index ca94f381..3d7b5d92 100644
--- a/packages/electron/main.mjs
+++ b/packages/electron/main.mjs
@@ -785,6 +785,7 @@ const spawnLocalServer = async () => {
     attachSignals: false,
     exitOnShutdown: false,
     onDesktopNotification: (payload) => maybeShowNativeNotification(payload),
+    getIsWindowFocused: isAnyWindowFocused,
   });
 
   const port = handle.getPort();
diff --git a/packages/web/server/index.js b/packages/web/server/index.js
index fef16793..19e5c33e 100644
--- a/packages/web/server/index.js
+++ b/packages/web/server/index.js
@@ -1073,6 +1073,9 @@ async function main(options = {}) {
   if (typeof options.onDesktopNotification === 'function') {
     notificationEmitterRuntime.setOnDesktopNotification(options.onDesktopNotification);
   }
+  if (typeof options.getIsWindowFocused === 'function') {
+    notificationTriggerRuntime.setGetIsWindowFocused(options.getIsWindowFocused);
+  }
 
   console.log(`Starting OpenChamber on port ${port === 0 ? 'auto' : port}`);
 
diff --git a/packages/web/server/lib/notifications/runtime.js b/packages/web/server/lib/notifications/runtime.js
index 276c57f2..c7b4357d 100644
--- a/packages/web/server/lib/notifications/runtime.js
+++ b/packages/web/server/lib/notifications/runtime.js
@@ -16,6 +16,14 @@ export const createNotificationTriggerRuntime = (deps) => {
     getOpenCodeAuthHeaders,
   } = deps;
 
+  let getIsWindowFocused = typeof deps.getIsWindowFocused === 'function'
+    ? deps.getIsWindowFocused
+    : null;
+
+  const setGetIsWindowFocused = (cb) => {
+    getIsWindowFocused = typeof cb === 'function' ? cb : null;
+  };
+
   const PUSH_READY_COOLDOWN_MS = 5000;
   const PUSH_QUESTION_DEBOUNCE_MS = 500;
   const PUSH_PERMISSION_DEBOUNCE_MS = 500;
@@ -211,6 +219,10 @@ export const createNotificationTriggerRuntime = (deps) => {
           return;
         }
 
+        if (settings.notificationMode !== 'always' && getIsWindowFocused?.()) {
+          return;
+        }
+
         const now = Date.now();
         const lastAt = lastReadyNotificationAt.get(sessionId) ?? 0;
         if (now - lastAt < PUSH_READY_COOLDOWN_MS) {
@@ -283,6 +295,10 @@ export const createNotificationTriggerRuntime = (deps) => {
         const settings = await readSettingsFromDisk();
         if (settings.notifyOnError === false) return;
 
+        if (settings.notificationMode !== 'always' && getIsWindowFocused?.()) {
+          return;
+        }
+
         let title = 'Tool error';
         let body = 'An error occurred';
 
@@ -355,6 +371,10 @@ export const createNotificationTriggerRuntime = (deps) => {
           return;
         }
 
+        if (settings.notificationMode !== 'always' && getIsWindowFocused?.()) {
+          return;
+        }
+
         const firstQuestion = payload.properties?.questions?.[0];
         const header = typeof firstQuestion?.header === 'string' ? firstQuestion.header.trim() : '';
         const questionText = typeof firstQuestion?.question === 'string' ? firstQuestion.question.trim() : '';
@@ -473,6 +493,10 @@ export const createNotificationTriggerRuntime = (deps) => {
           return;
         }
 
+        if (settings.notificationMode !== 'always' && getIsWindowFocused?.()) {
+          return;
+        }
+
         const sessionTitle = payload.properties?.sessionTitle;
         const permissionText = typeof permission === 'string' && permission.length > 0 ? permission : '';
         const fallbackMessage = typeof sessionTitle === 'string' && sessionTitle.trim().length > 0
@@ -543,5 +567,6 @@ export const createNotificationTriggerRuntime = (deps) => {
   return {
     maybeSendPushForTrigger,
     setAutoAcceptSession,
+    setGetIsWindowFocused,
   };
 };