fix: no current window and sentry context

packages/browseros-agent/apps/agent/entrypoints/app/create-graph/CreateGraph.tsx

@@ -259,11 +259,23 @@ export const CreateGraph: FC = () => {
   })
 
   const onClickTest = async () => {
-    const backgroundWindow = await chrome.windows.create({
-      url: 'chrome://newtab',
-      focused: true,
-      type: 'normal',
-    })
+    let backgroundWindow: chrome.windows.Window | undefined
+    try {
+      backgroundWindow = await chrome.windows.create({
+        url: 'chrome://newtab',
+        focused: true,
+        type: 'normal',
+      })
+    } catch {
+      // Fallback when no window context is available (e.g. all windows closed)
+      const tab = await chrome.tabs.create({
+        url: 'chrome://newtab',
+        active: true,
+      })
+      if (tab.windowId) {
+        backgroundWindow = await chrome.windows.get(tab.windowId)
+      }
+    }
 
     sendMessage({
       text: 'Run a test of the graph you just created.',

packages/browseros-agent/apps/agent/entrypoints/app/workflows/useRunWorkflow.ts

@@ -101,11 +101,23 @@ export const useRunWorkflow = () => {
     setMessages([])
     setWasCancelled(false)
 
-    const backgroundWindow = await chrome.windows.create({
-      url: 'chrome://newtab',
-      focused: true,
-      type: 'normal',
-    })
+    let backgroundWindow: chrome.windows.Window | undefined
+    try {
+      backgroundWindow = await chrome.windows.create({
+        url: 'chrome://newtab',
+        focused: true,
+        type: 'normal',
+      })
+    } catch {
+      // Fallback when no window context is available (e.g. all windows closed)
+      const tab = await chrome.tabs.create({
+        url: 'chrome://newtab',
+        active: true,
+      })
+      if (tab.windowId) {
+        backgroundWindow = await chrome.windows.get(tab.windowId)
+      }
+    }
 
     sendMessage({
       text: 'Run the workflow.',

packages/browseros-agent/apps/agent/lib/sentry/sentry.ts

@@ -2,6 +2,20 @@ import * as Sentry from '@sentry/react'
 import { getBrowserOSAdapter } from '../browseros/adapter'
 import { env } from '../env'
 
+/** Errors that are expected during normal operation and should not be reported */
+const SUPPRESSED_ERRORS = ['The browser is shutting down', 'No current window']
+
+function getExtensionPage(): string {
+  try {
+    const url = new URL(location.href)
+    // Extract the entry point name from the extension URL pathname
+    // e.g. chrome-extension://<id>/sidepanel.html -> sidepanel
+    return url.pathname.replace(/^\//, '').replace(/\.html$/, '') || 'unknown'
+  } catch {
+    return 'unknown'
+  }
+}
+
 if (env.VITE_PUBLIC_SENTRY_DSN) {
   Sentry.init({
     dsn: env.VITE_PUBLIC_SENTRY_DSN,
@@ -10,6 +24,28 @@ if (env.VITE_PUBLIC_SENTRY_DSN) {
     sendDefaultPii: true,
     environment: env.PROD ? 'production' : 'development',
     release: chrome.runtime.getManifest().version,
+
+    beforeSend(event) {
+      const message = event.exception?.values?.[0]?.value ?? ''
+      if (SUPPRESSED_ERRORS.some((s) => message.includes(s))) {
+        return null
+      }
+
+      event.tags = {
+        ...event.tags,
+        extensionPage: getExtensionPage(),
+      }
+      return event
+    },
+
+    integrations: [
+      Sentry.breadcrumbsIntegration({
+        console: true,
+        dom: true,
+        fetch: true,
+        xhr: true,
+      }),
+    ],
   })
 
   ;(async () => {