diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 4d51cc1de..6a79ae236 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -1,16 +1,7 @@
 name: Claude Code Review
 
 on:
-  pull_request:
-    types: [opened, synchronize, ready_for_review, reopened]
-  pull_request_target:
-    types: [opened, synchronize, ready_for_review, reopened]
-    # Optional: Only run on specific file changes
-    # paths:
-    #   - "src/**/*.ts"
-    #   - "src/**/*.tsx"
-    #   - "src/**/*.js"
-    #   - "src/**/*.jsx"
+  workflow_dispatch:
 
 jobs:
   claude-review:
diff --git a/electron/resources/icon.ico b/electron/resources/icon.ico
new file mode 100644
index 000000000..89db3b455
Binary files /dev/null and b/electron/resources/icon.ico differ
diff --git a/electron/resources/icon.png b/electron/resources/icon.png
new file mode 100644
index 000000000..9ae16952b
Binary files /dev/null and b/electron/resources/icon.png differ
diff --git a/frontend/src/app/(dashboard)/layout.tsx b/frontend/src/app/(dashboard)/layout.tsx
index 9b02c5c38..a5a49cd44 100644
--- a/frontend/src/app/(dashboard)/layout.tsx
+++ b/frontend/src/app/(dashboard)/layout.tsx
@@ -1,7 +1,6 @@
 'use client'
 
 import { useAuth } from '@/lib/hooks/use-auth'
-import { useVersionCheck } from '@/lib/hooks/use-version-check'
 import { useRouter } from 'next/navigation'
 import { useEffect, useState } from 'react'
 import { LoadingSpinner } from '@/components/common/LoadingSpinner'
@@ -19,9 +18,6 @@ export default function DashboardLayout({
   const router = useRouter()
   const [hasCheckedAuth, setHasCheckedAuth] = useState(false)
 
-  // Check for version updates once per session
-  useVersionCheck()
-
   useEffect(() => {
     // Mark that we've completed the initial auth check
     if (!isLoading) {
diff --git a/frontend/src/lib/hooks/use-version-check.ts b/frontend/src/lib/hooks/use-version-check.ts
deleted file mode 100644
index fff801481..000000000
--- a/frontend/src/lib/hooks/use-version-check.ts
+++ /dev/null
@@ -1,44 +0,0 @@
-import { useEffect, useRef } from 'react'
-import { toast } from 'sonner'
-import { getConfig } from '@/lib/config'
-import { useTranslation } from '@/lib/hooks/use-translation'
-
-/**
- * Hook to check for version updates and display notification.
- * Should be called once per session in the dashboard layout.
- * 
- * Simplified implementation using a single useEffect with a ref guard.
- * The toast is displayed once when an update is available and the user
- * hasn't dismissed it in this session.
- */
-export function useVersionCheck() {
-  const { t } = useTranslation()
-  const hasChecked = useRef(false)
-
-  useEffect(() => {
-    if (hasChecked.current) return
-    hasChecked.current = true
-
-    getConfig()
-      .then(config => {
-        if (!config.hasUpdate || !config.latestVersion) return
-
-        const dismissKey = `version_notification_dismissed_${config.latestVersion}`
-        if (sessionStorage.getItem(dismissKey)) return
-
-        toast.info(t('advanced.updateAvailable').replace('{version}', config.latestVersion), {
-          description: t('advanced.updateAvailableDesc'),
-          duration: Infinity,
-          closeButton: true,
-          action: {
-            label: t('advanced.viewOnGithub'),
-            onClick: () => window.open('https://github.com/lfnovo/open-notebook', '_blank'),
-          },
-          onDismiss: () => sessionStorage.setItem(dismissKey, 'true'),
-        })
-      })
-      .catch(() => {
-        // Silently fail - version check is non-critical
-      })
-  }, [t]) // t is still a dependency but only executes once due to ref guard
-}
diff --git a/frontend/src/lib/locales/bn-IN/index.ts b/frontend/src/lib/locales/bn-IN/index.ts
index 506cf7517..c18205bc6 100644
--- a/frontend/src/lib/locales/bn-IN/index.ts
+++ b/frontend/src/lib/locales/bn-IN/index.ts
@@ -756,7 +756,6 @@ export const bnIN = {
     latestVersion: "সর্বশেষ সংস্করণ",
     status: "অবস্থা",
     updateAvailable: "সংস্করণ {version} উপলব্ধ",
-    updateAvailableDesc: "Open Notebook এর একটি নতুন সংস্করণ উপলব্ধ।",
     upToDate: "আপ টু ডেট",
     unknown: "অজানা",
     viewOnGithub: "GitHub এ দেখুন",
diff --git a/frontend/src/lib/locales/en-US/index.ts b/frontend/src/lib/locales/en-US/index.ts
index dc698aa7c..853ba0bc0 100644
--- a/frontend/src/lib/locales/en-US/index.ts
+++ b/frontend/src/lib/locales/en-US/index.ts
@@ -756,7 +756,6 @@ export const enUS = {
     latestVersion: "Latest Version",
     status: "Status",
     updateAvailable: "Version {version} Available",
-    updateAvailableDesc: "A new version of Open Notebook is available.",
     upToDate: "Up to Date",
     unknown: "Unknown",
     viewOnGithub: "View on GitHub",
diff --git a/frontend/src/lib/locales/es-ES/index.ts b/frontend/src/lib/locales/es-ES/index.ts
index 5796a29bd..619056799 100644
--- a/frontend/src/lib/locales/es-ES/index.ts
+++ b/frontend/src/lib/locales/es-ES/index.ts
@@ -756,7 +756,6 @@ export const esES = {
     latestVersion: "Última versión",
     status: "Estado",
     updateAvailable: "Versión {version} disponible",
-    updateAvailableDesc: "Una nueva versión de Open Notebook está disponible.",
     upToDate: "Actualizado",
     unknown: "Desconocido",
     viewOnGithub: "Ver en GitHub",
diff --git a/frontend/src/lib/locales/fr-FR/index.ts b/frontend/src/lib/locales/fr-FR/index.ts
index 2dd641d18..97d4d6893 100644
--- a/frontend/src/lib/locales/fr-FR/index.ts
+++ b/frontend/src/lib/locales/fr-FR/index.ts
@@ -755,7 +755,6 @@ export const frFR = {
     latestVersion: "Dernière version",
     status: "État",
     updateAvailable: "Version {version} disponible",
-    updateAvailableDesc: "Une nouvelle version de Open Notebook est disponible.",
     upToDate: "À jour",
     unknown: "Inconnu",
     viewOnGithub: "Voir sur GitHub",
diff --git a/frontend/src/lib/locales/it-IT/index.ts b/frontend/src/lib/locales/it-IT/index.ts
index 916846d9e..a27441c62 100644
--- a/frontend/src/lib/locales/it-IT/index.ts
+++ b/frontend/src/lib/locales/it-IT/index.ts
@@ -755,7 +755,6 @@ export const itIT = {
     latestVersion: "Ultima versione",
     status: "Stato",
     updateAvailable: "Versione {version} disponibile",
-    updateAvailableDesc: "È disponibile una nuova versione di Open Notebook.",
     upToDate: "Aggiornato",
     unknown: "Sconosciuto",
     viewOnGithub: "Visualizza su GitHub",
diff --git a/frontend/src/lib/locales/ja-JP/index.ts b/frontend/src/lib/locales/ja-JP/index.ts
index 9a5dfa200..8c3cd031f 100644
--- a/frontend/src/lib/locales/ja-JP/index.ts
+++ b/frontend/src/lib/locales/ja-JP/index.ts
@@ -755,7 +755,6 @@ export const jaJP = {
     latestVersion: "最新バージョン",
     status: "ステータス",
     updateAvailable: "バージョン{version}が利用可能",
-    updateAvailableDesc: "Open Notebookの新しいバージョンが利用可能です。",
     upToDate: "最新版です",
     unknown: "不明",
     viewOnGithub: "GitHubで表示",
diff --git a/frontend/src/lib/locales/pt-BR/index.ts b/frontend/src/lib/locales/pt-BR/index.ts
index d3f66c063..0d73e7028 100644
--- a/frontend/src/lib/locales/pt-BR/index.ts
+++ b/frontend/src/lib/locales/pt-BR/index.ts
@@ -755,7 +755,6 @@ export const ptBR = {
     latestVersion: "Última Versão",
     status: "Status",
     updateAvailable: "Versão {version} Disponível",
-    updateAvailableDesc: "Uma nova versão do Open Notebook está disponível.",
     upToDate: "Atualizado",
     unknown: "Desconhecido",
     viewOnGithub: "Ver no GitHub",
diff --git a/frontend/src/lib/locales/ru-RU/index.ts b/frontend/src/lib/locales/ru-RU/index.ts
index fece9fd66..b91cf8296 100644
--- a/frontend/src/lib/locales/ru-RU/index.ts
+++ b/frontend/src/lib/locales/ru-RU/index.ts
@@ -755,7 +755,6 @@ export const ruRU = {
     latestVersion: "Последняя версия",
     status: "Статус",
     updateAvailable: "Доступна версия {version}",
-    updateAvailableDesc: "Доступна новая версия Open Notebook.",
     upToDate: "Актуальная версия",
     unknown: "Неизвестно",
     viewOnGithub: "Посмотреть на GitHub",
diff --git a/frontend/src/lib/locales/zh-CN/index.ts b/frontend/src/lib/locales/zh-CN/index.ts
index fa0c4e4dd..853811855 100644
--- a/frontend/src/lib/locales/zh-CN/index.ts
+++ b/frontend/src/lib/locales/zh-CN/index.ts
@@ -755,7 +755,6 @@ export const zhCN = {
     latestVersion: "最新版本",
     status: "状态",
     updateAvailable: "版本 {version} 可用",
-    updateAvailableDesc: "Open Notebook 的新版本可用。",
     upToDate: "已是最新",
     unknown: "未知",
     viewOnGithub: "在 GitHub 上查看",
diff --git a/frontend/src/lib/locales/zh-TW/index.ts b/frontend/src/lib/locales/zh-TW/index.ts
index 25f26fb1b..621dc4739 100644
--- a/frontend/src/lib/locales/zh-TW/index.ts
+++ b/frontend/src/lib/locales/zh-TW/index.ts
@@ -755,7 +755,6 @@ export const zhTW = {
     latestVersion: "最新版本",
     status: "狀態",
     updateAvailable: "版本 {version} 可用",
-    updateAvailableDesc: "Open Notebook 的新版本可用。",
     upToDate: "已是最新",
     unknown: "未知",
     viewOnGithub: "在 GitHub 上查看",