feat: add desktop notifications and skills updates

2026-06-27 06:05:54 +08:00 · 2026-06-26 10:25:47 +00:00
parent e6c6f89dda
commit 63f3c3941d
32 changed files with 1693 additions and 328 deletions
--- a/electron/desktopNotifications.js
+++ b/electron/desktopNotifications.js
@@ -0,0 +1,378 @@
+import fs from 'node:fs/promises';
+import path from 'node:path';
+import { Notification } from 'electron';
+import WebSocket from 'ws';
+
+const RECONNECT_MIN_MS = 1000;
+const RECONNECT_MAX_MS = 30000;
+const TARGET_REGISTER_TIMEOUT_MS = 8000;
+
+function toNotificationsWsUrl(httpUrl) {
+  try {
+    const parsed = new URL(httpUrl);
+    parsed.protocol = parsed.protocol === 'http:' ? 'ws:' : 'wss:';
+    parsed.pathname = '/desktop-notifications';
+    parsed.search = '';
+    parsed.hash = '';
+    return parsed.toString();
+  } catch {
+    return null;
+  }
+}
+
+function readJsonMessage(raw) {
+  try {
+    return JSON.parse(String(raw));
+  } catch {
+    return null;
+  }
+}
+
+async function requestJson(url, { method = 'POST', body = null, headers = {} } = {}) {
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), TARGET_REGISTER_TIMEOUT_MS);
+  try {
+    const response = await fetch(url, {
+      method,
+      signal: controller.signal,
+      headers: {
+        'Content-Type': 'application/json',
+        ...headers,
+      },
+      ...(body == null ? {} : { body: JSON.stringify(body) }),
+    });
+    const payload = await response.json().catch(() => ({}));
+    if (!response.ok) {
+      throw new Error(payload.error || `Request failed with status ${response.status}`);
+    }
+    return payload;
+  } finally {
+    clearTimeout(timeout);
+  }
+}
+
+export class DesktopNotificationsController {
+  constructor({
+    settingsPath,
+    appVersion,
+    appName,
+    getDeviceId,
+    getAccountEmail,
+    getRunningEnvironmentUrls,
+    getApiKey,
+    getAuthToken,
+    getIconPath,
+    openNotificationTarget,
+    onChange,
+  }) {
+    this.settingsPath = settingsPath;
+    this.appVersion = appVersion;
+    this.appName = appName;
+    this.getDeviceId = getDeviceId;
+    this.getAccountEmail = getAccountEmail;
+    this.getRunningEnvironmentUrls = getRunningEnvironmentUrls;
+    this.getApiKey = getApiKey;
+    this.getAuthToken = getAuthToken;
+    this.getIconPath = getIconPath;
+    this.openNotificationTarget = openNotificationTarget;
+    this.onChange = onChange;
+    this.settings = { enabled: false };
+    this.connections = new Map();
+    this.lastEvent = null;
+    this.lastError = null;
+  }
+
+  getState() {
+    const connectedTargets = [];
+    for (const [url, connection] of this.connections.entries()) {
+      if (connection.ws?.readyState === WebSocket.OPEN) {
+        connectedTargets.push(url);
+      }
+    }
+
+    return {
+      enabled: this.settings.enabled,
+      supported: Notification.isSupported(),
+      targetCount: this.connections.size,
+      connectedCount: connectedTargets.length,
+      connectedTargets,
+      lastEvent: this.lastEvent,
+      lastError: this.lastError,
+    };
+  }
+
+  async loadSettings() {
+    try {
+      const raw = await fs.readFile(this.settingsPath, 'utf8');
+      const stored = JSON.parse(raw);
+      this.settings = { enabled: Boolean(stored.enabled) };
+    } catch {
+      this.settings = { enabled: false };
+    }
+    return this.settings;
+  }
+
+  async saveSettings(next) {
+    const enabled = Boolean(next?.enabled);
+    if (!enabled && this.settings.enabled) {
+      await this.disableCurrentTargets();
+    }
+    this.settings = { enabled };
+    await fs.mkdir(path.dirname(this.settingsPath), { recursive: true });
+    await fs.writeFile(this.settingsPath, JSON.stringify(this.settings, null, 2), 'utf8');
+    await this.sync();
+    this.onChange?.();
+    return this.settings;
+  }
+
+  async sync() {
+    if (!this.settings.enabled) {
+      this.stop();
+      this.lastEvent = 'disabled';
+      this.onChange?.();
+      return;
+    }
+
+    if (!Notification.isSupported()) {
+      this.stop();
+      this.lastEvent = 'unsupported';
+      this.lastError = 'Native notifications are not supported on this system.';
+      this.onChange?.();
+      return;
+    }
+
+    const deviceId = this.getDeviceId?.();
+    if (!deviceId) {
+      this.stop();
+      this.lastEvent = 'missing-device';
+      this.lastError = 'Connect a CloudCLI account before enabling desktop notifications.';
+      this.onChange?.();
+      return;
+    }
+
+    const targets = (this.getRunningEnvironmentUrls?.() || [])
+      .map((httpUrl) => ({
+        httpUrl,
+        wsUrl: toNotificationsWsUrl(httpUrl),
+      }))
+      .filter((target) => target.wsUrl);
+
+    const nextWsUrls = new Set(targets.map((target) => target.wsUrl));
+    for (const [wsUrl, connection] of this.connections.entries()) {
+      if (!nextWsUrls.has(wsUrl)) {
+        this.closeConnection(connection);
+        this.connections.delete(wsUrl);
+      }
+    }
+
+    for (const target of targets) {
+      if (!this.connections.has(target.wsUrl)) {
+        void this.connect(target).catch((error) => {
+          this.lastEvent = 'connect-error';
+          this.lastError = error instanceof Error ? error.message : String(error);
+          this.onChange?.();
+        });
+      }
+    }
+
+    this.lastEvent = targets.length ? 'sync' : 'no-targets';
+    this.onChange?.();
+  }
+
+  async connect(target, attempt = 0) {
+    const existing = this.connections.get(target.wsUrl);
+    if (existing?.ws && [WebSocket.CONNECTING, WebSocket.OPEN].includes(existing.ws.readyState)) {
+      return;
+    }
+
+    const connection = {
+      ...target,
+      ws: null,
+      reconnectTimer: null,
+      closed: false,
+      attempt,
+    };
+    this.connections.set(target.wsUrl, connection);
+
+    const headers = await this.getTargetAuthHeaders(target.httpUrl);
+    if (connection.closed || this.connections.get(target.wsUrl) !== connection) {
+      return;
+    }
+
+    const ws = new WebSocket(target.wsUrl, { headers: Object.keys(headers).length ? headers : undefined });
+    connection.ws = ws;
+
+    ws.on('open', async () => {
+      try {
+        await this.registerTarget(target.httpUrl);
+        ws.send(JSON.stringify({
+          type: 'register',
+          deviceId: this.getDeviceId?.(),
+          label: this.getAccountEmail?.() || this.appName,
+          platform: process.platform,
+          appVersion: this.appVersion,
+        }));
+        connection.attempt = 0;
+        this.lastEvent = 'connected';
+        this.lastError = null;
+        this.onChange?.();
+      } catch (error) {
+        this.lastEvent = 'register-error';
+        this.lastError = error instanceof Error ? error.message : String(error);
+        this.onChange?.();
+        try { ws.close(); } catch {}
+      }
+    });
+
+    ws.on('message', (raw) => this.handleMessage(target, ws, raw));
+    ws.on('close', () => this.scheduleReconnect(target.wsUrl));
+    ws.on('error', (error) => {
+      this.lastEvent = 'socket-error';
+      this.lastError = error instanceof Error ? error.message : String(error);
+      this.onChange?.();
+    });
+  }
+
+  async registerTarget(httpUrl) {
+    const url = new URL('/api/notifications/endpoints/current', httpUrl).toString();
+    await requestJson(url, {
+      method: 'POST',
+      headers: await this.getTargetAuthHeaders(httpUrl),
+      body: {
+        channel: 'desktop',
+        endpointId: this.getDeviceId?.(),
+        label: this.getAccountEmail?.() || this.appName,
+        metadata: {
+          platform: process.platform,
+          appVersion: this.appVersion,
+        },
+        enabled: true,
+      },
+    });
+  }
+
+  async disableCurrentTargets() {
+    const deviceId = this.getDeviceId?.();
+    if (!deviceId) return;
+
+    const targets = new Set([
+      ...[...this.connections.values()].map((connection) => connection.httpUrl).filter(Boolean),
+      ...(this.getRunningEnvironmentUrls?.() || []),
+    ]);
+
+    const results = await Promise.allSettled([...targets].map(async (httpUrl) => {
+      const url = new URL(`/api/notifications/endpoints/desktop/${encodeURIComponent(deviceId)}`, httpUrl).toString();
+      await requestJson(url, {
+        method: 'PATCH',
+        headers: await this.getTargetAuthHeaders(httpUrl),
+        body: { enabled: false },
+      });
+    }));
+
+    const rejected = results.find((result) => result.status === 'rejected');
+    if (rejected) {
+      this.lastEvent = 'disable-endpoint-error';
+      this.lastError = rejected.reason instanceof Error ? rejected.reason.message : String(rejected.reason);
+    }
+  }
+
+  async getTargetAuthHeaders(httpUrl) {
+    const headers = {};
+    const apiKey = this.getApiKey?.();
+    if (apiKey) {
+      headers['X-API-Key'] = apiKey;
+    }
+
+    const authToken = await Promise.resolve(this.getAuthToken?.(httpUrl)).catch(() => null);
+    if (authToken) {
+      headers.Authorization = `Bearer ${authToken}`;
+    }
+    return headers;
+  }
+
+  handleMessage(target, ws, raw) {
+    const message = readJsonMessage(raw);
+    if (!message || message.type !== 'notification' || !message.payload) {
+      return;
+    }
+
+    const shown = this.showNativeNotification(target, message.payload);
+    if (shown && ws.readyState === WebSocket.OPEN) {
+      ws.send(JSON.stringify({
+        type: 'notification_ack',
+        id: message.id || message.payload?.data?.tag || null,
+        action: 'shown',
+      }));
+    }
+  }
+
+  showNativeNotification(target, payload) {
+    if (!Notification.isSupported()) return false;
+
+    const notification = new Notification({
+      title: payload.title || this.appName,
+      body: payload.body || '',
+      icon: this.getIconPath?.(),
+      silent: false,
+    });
+
+    notification.on('click', () => {
+      void this.openNotificationTarget?.({
+        environmentUrl: target.httpUrl,
+        sessionId: payload.data?.sessionId || null,
+        provider: payload.data?.provider || null,
+      }).catch((error) => {
+        this.lastEvent = 'click-error';
+        this.lastError = error instanceof Error ? error.message : String(error);
+        this.onChange?.();
+      });
+    });
+
+    notification.show();
+    this.lastEvent = 'notification-shown';
+    this.lastError = null;
+    this.onChange?.();
+    return true;
+  }
+
+  scheduleReconnect(wsUrl) {
+    const connection = this.connections.get(wsUrl);
+    if (!connection || connection.closed || !this.settings.enabled) {
+      return;
+    }
+
+    const attempt = connection.attempt + 1;
+    connection.attempt = attempt;
+    const delay = Math.min(RECONNECT_MAX_MS, RECONNECT_MIN_MS * (2 ** Math.min(attempt, 5)));
+    connection.reconnectTimer = setTimeout(() => {
+      if (!this.connections.has(wsUrl) || !this.settings.enabled) return;
+      void this.connect({
+        httpUrl: connection.httpUrl,
+        wsUrl: connection.wsUrl,
+      }, attempt).catch((error) => {
+        this.lastEvent = 'connect-error';
+        this.lastError = error instanceof Error ? error.message : String(error);
+        this.onChange?.();
+      });
+    }, delay);
+    this.lastEvent = 'reconnecting';
+    this.onChange?.();
+  }
+
+  closeConnection(connection) {
+    connection.closed = true;
+    if (connection.reconnectTimer) {
+      clearTimeout(connection.reconnectTimer);
+      connection.reconnectTimer = null;
+    }
+    try { connection.ws?.close(); } catch {}
+  }
+
+  stop() {
+    for (const connection of this.connections.values()) {
+      this.closeConnection(connection);
+    }
+    this.connections.clear();
+    this.onChange?.();
+  }
+}
--- a/electron/desktopWindow.js
+++ b/electron/desktopWindow.js
@@ -3,6 +3,7 @@ import { BrowserWindow, Menu, Tray, clipboard, nativeImage, nativeTheme, session
 import { ViewHost } from './viewHost.js';

 const TITLEBAR_HEIGHT = 44;
+const AUTH_TOKEN_STORAGE_KEY = 'auth-token';
 // TODO: Re-enable Computer Use menus after fixing the MCP server connection
 // between the desktop app and the web UI.
 const COMPUTER_USE_MENUS_ENABLED = false;
@@ -249,6 +250,16 @@ export class DesktopWindowManager {
    return this.getDesktopState();
  }

+  async navigateActiveView(url) {
+    const navigated = await this.viewHost.navigateActiveView(url);
+    this.emitDesktopState();
+    return navigated;
+  }
+
+  async readAuthTokenForTarget(url) {
+    return this.viewHost.readLocalStorageValueForOrigin(url, AUTH_TOKEN_STORAGE_KEY);
+  }
+
  openActiveTabDevTools() {
    if (this.viewHost.openActiveViewDevTools()) return;
    void this.actions.showError('No active BrowserView', new Error('Switch to a non-launcher tab before opening active tab DevTools.'));
--- a/electron/main.js
+++ b/electron/main.js
@@ -6,6 +6,7 @@ import { fileURLToPath } from 'node:url';
 import { CloudController } from './cloud.js';
 import { ComputerAgentController } from './computerAgent.js';
 import { DesktopWindowManager } from './desktopWindow.js';
+import { DesktopNotificationsController } from './desktopNotifications.js';
 import { LocalServerController } from './localServer.js';
 import { TabsController } from './tabs.js';

@@ -30,6 +31,7 @@ let desktopWindow = null;
 let localServer = null;
 let cloud = null;
 let computerAgent = null;
+let desktopNotifications = null;
 let isQuitting = false;
 let isRefreshingCloud = false;
 let pendingCloudConnectStartedAt = 0;
@@ -65,6 +67,10 @@ function getComputerUseSettingsPath() {
  return path.join(app.getPath('userData'), 'computer-use-settings.json');
 }

+function getDesktopNotificationsSettingsPath() {
+  return path.join(app.getPath('userData'), 'desktop-notifications-settings.json');
+}
+
 function getRunningEnvironmentUrls() {
  return cloud.getEnvironments()
    .filter((environment) => environment.status === 'running')
@@ -146,6 +152,7 @@ function getDesktopState() {
    activeTabId: tabs.activeTabId,
    environments: cloud.getEnvironments().map(serializeEnvironment),
    computerUse: computerAgent?.getState() || { enabled: false, consentMode: 'ask', running: false, connectedCount: 0, targetCount: 0 },
+    desktopNotifications: desktopNotifications?.getState() || { enabled: false, supported: false, connectedCount: 0, targetCount: 0 },
    computerUsePermissions: getComputerUsePermissions(),
  };
 }
@@ -364,6 +371,7 @@ async function refreshCloudEnvironments({ showErrors = false } = {}) {
  } finally {
    isRefreshingCloud = false;
    void computerAgent?.sync().catch((error) => console.error('[ComputerAgent] sync failed:', error?.message || error));
+    void desktopNotifications?.sync().catch((error) => console.error('[DesktopNotifications] sync failed:', error?.message || error));
    syncDesktopState();
  }
 }
@@ -718,8 +726,57 @@ async function openEnvironmentInDesktop(environment) {
  return getDesktopState();
 }

+function findEnvironmentByUrl(environmentUrl) {
+  const targetOrigin = (() => {
+    try {
+      return new URL(environmentUrl).origin;
+    } catch {
+      return null;
+    }
+  })();
+  if (!targetOrigin) return null;
+
+  return cloud.getEnvironments().find((environment) => {
+    try {
+      return new URL(cloud.getEnvironmentUrl(environment)).origin === targetOrigin;
+    } catch {
+      return false;
+    }
+  }) || null;
+}
+
+async function openNotificationTarget({ environmentUrl, sessionId = null }) {
+  const window = desktopWindow?.getMainWindow();
+  if (window) {
+    if (window.isMinimized()) window.restore();
+    window.show();
+    window.focus();
+  }
+
+  const environment = findEnvironmentByUrl(environmentUrl);
+  if (environment) {
+    await openEnvironmentInDesktop(environment);
+  } else {
+    const parsed = new URL(environmentUrl);
+    await desktopWindow.showTarget({
+      kind: 'remote',
+      name: parsed.hostname,
+      url: parsed.origin,
+    });
+  }
+
+  const targetUrl = new URL(sessionId ? `/session/${encodeURIComponent(sessionId)}` : '/', environmentUrl).toString();
+  await desktopWindow.navigateActiveView(targetUrl);
+  return getDesktopState();
+}
+
+async function getEnvironmentAuthToken(environmentUrl) {
+  return desktopWindow?.readAuthTokenForTarget(environmentUrl) || null;
+}
+
 async function clearCloudAccount() {
  await cloud.clearCloudAccount();
+  desktopNotifications?.stop();
  const removedTabs = tabs.removeByKind('remote');
  for (const tab of removedTabs) {
    desktopWindow?.destroyTabView(tab.id);
@@ -800,6 +857,10 @@ function registerIpcHandlers() {
    return getDesktopState();
  });
  ipcMain.handle('cloudcli-desktop:update-computer-use', async (_event, settings) => updateComputerUse(settings));
+  ipcMain.handle('cloudcli-desktop:update-desktop-notifications', async (_event, settings) => {
+    await desktopNotifications?.saveSettings(settings);
+    return getDesktopState();
+  });
  ipcMain.handle('cloudcli-desktop:request-computer-use-permission', async (_event, permission) => requestComputerUsePermission(permission));
  ipcMain.handle('cloudcli-desktop:show-desktop-settings', async () => desktopWindow.showDesktopSettings());
  ipcMain.handle('cloudcli-desktop:show-local-settings', async () => desktopWindow.showLocalSettings());
@@ -839,6 +900,7 @@ function registerAppEvents() {

  app.on('before-quit', () => {
    computerAgent?.stop();
+    desktopNotifications?.stop();
  });

  app.on('before-quit', (event) => {
@@ -896,6 +958,7 @@ async function createDesktopWindow() {
      stopEnvironment,
      updateDesktopSetting,
      copyLocalWebUrl,
+      openNotificationTarget,
    },
  });

@@ -963,10 +1026,24 @@ async function bootstrap() {
    promptConsent: promptComputerUseConsent,
    onChange: syncDesktopState,
  });
+  desktopNotifications = new DesktopNotificationsController({
+    settingsPath: getDesktopNotificationsSettingsPath(),
+    appVersion: app.getVersion(),
+    appName: APP_NAME,
+    getDeviceId: () => cloud.getAccount()?.deviceId || '',
+    getAccountEmail: () => cloud.getAccount()?.email || null,
+    getRunningEnvironmentUrls,
+    getApiKey: () => cloud.getAccount()?.apiKey || '',
+    getAuthToken: getEnvironmentAuthToken,
+    getIconPath: getWindowIconPath,
+    openNotificationTarget,
+    onChange: syncDesktopState,
+  });

  await localServer.loadDesktopSettings();
  await cloud.loadCloudAccount();
  await computerAgent.loadSettings();
+  await desktopNotifications.loadSettings();

  registerProtocolHandler();
  registerIpcHandlers();
--- a/electron/preload.cjs
+++ b/electron/preload.cjs
@@ -1,5 +1,33 @@
 const { contextBridge, ipcRenderer } = require('electron');

+function isCloudCliAppOrigin(location) {
+  if (location.protocol === 'file:') return true;
+
+  if (location.protocol === 'http:') {
+    return location.hostname === '127.0.0.1' || location.hostname === 'localhost';
+  }
+
+  return location.protocol === 'https:' && (
+    location.hostname === 'cloudcli.ai' || location.hostname.endsWith('.cloudcli.ai')
+  );
+}
+
+function onDesktopStateUpdated(callback) {
+  const listener = (_event, state) => callback(state);
+  ipcRenderer.on('cloudcli-desktop:state-updated', listener);
+  return () => {
+    ipcRenderer.removeListener('cloudcli-desktop:state-updated', listener);
+  };
+}
+
+if (isCloudCliAppOrigin(window.location)) {
+  contextBridge.exposeInMainWorld('cloudcliDesktopNotifications', {
+    getState: () => ipcRenderer.invoke('cloudcli-desktop:get-state'),
+    update: (settings) => ipcRenderer.invoke('cloudcli-desktop:update-desktop-notifications', settings),
+    onStateUpdated: onDesktopStateUpdated,
+  });
+}
+
 if (window.location.protocol === 'file:') {
  contextBridge.exposeInMainWorld('cloudcliDesktop', {
    connectCloud: () => ipcRenderer.invoke('cloudcli-desktop:connect-cloud'),
@@ -27,9 +55,7 @@ if (window.location.protocol === 'file:') {
    switchTab: (tabId) => ipcRenderer.invoke('cloudcli-desktop:switch-tab', tabId),
    closeTab: (tabId) => ipcRenderer.invoke('cloudcli-desktop:close-tab', tabId),
    updateSetting: (key, value) => ipcRenderer.invoke('cloudcli-desktop:update-setting', key, value),
-    onStateUpdated: (callback) => {
-      ipcRenderer.on('cloudcli-desktop:state-updated', (_event, state) => callback(state));
-    },
+    onStateUpdated: onDesktopStateUpdated,
    onLauncherCommand: (callback) => {
      ipcRenderer.on('cloudcli-desktop:launcher-command', (_event, command) => callback(command));
    },
--- a/electron/viewHost.js
+++ b/electron/viewHost.js
@@ -135,6 +135,38 @@ export class ViewHost {
    return true;
  }

+  async readLocalStorageValueForOrigin(originUrl, key) {
+    let targetOrigin;
+    try {
+      targetOrigin = new URL(originUrl).origin;
+    } catch {
+      return null;
+    }
+
+    for (const view of this.tabViews.values()) {
+      if (!view || view.webContents.isDestroyed()) continue;
+      let viewOrigin;
+      try {
+        viewOrigin = new URL(view.webContents.getURL()).origin;
+      } catch {
+        continue;
+      }
+      if (viewOrigin !== targetOrigin) continue;
+
+      try {
+        const value = await view.webContents.executeJavaScript(
+          `window.localStorage.getItem(${JSON.stringify(key)})`,
+          true
+        );
+        return typeof value === 'string' && value ? value : null;
+      } catch {
+        return null;
+      }
+    }
+
+    return null;
+  }
+
  getTabViewDiagnostics() {
    const mainWindow = this.getMainWindow();
    const attachedViews = new Set();
@@ -257,6 +289,15 @@ export class ViewHost {
    return true;
  }

+  async navigateActiveView(url) {
+    const view = this.getActiveView();
+    if (!view) return false;
+    await loadUrlWithTimeout(view.webContents, url);
+    view.__cloudcliLoadedUrl = url;
+    view.__cloudcliStartupHtml = null;
+    return true;
+  }
+
  destroyTabView(tabId) {
    const view = this.tabViews.get(tabId);
    if (!view) return;
--- a/server/index.js
+++ b/server/index.js
@@ -57,6 +57,7 @@ import commandsRoutes from './routes/commands.js';
 import settingsRoutes from './routes/settings.js';
 import agentRoutes from './routes/agent.js';
 import projectModuleRoutes from './modules/projects/projects.routes.js';
+import notificationRoutes from './modules/notifications/notifications.routes.js';
 import userRoutes from './routes/user.js';
 import geminiRoutes from './routes/gemini.js';
 import pluginsRoutes from './routes/plugins.js';
@@ -78,7 +79,6 @@ const __dirname = getModuleDir(import.meta.url);
 // The server source runs from /server, while the compiled output runs from /dist-server/server.
 // Resolving the app root once keeps every repo-level lookup below aligned across both layouts.
 const APP_ROOT = findAppRoot(__dirname);
-const packageJson = JSON.parse(fs.readFileSync(path.join(APP_ROOT, 'package.json'), 'utf8'));
 const installMode = fs.existsSync(path.join(APP_ROOT, '.git')) ? 'git' : 'npm';
 // Version of the code that is actually running, captured once at process
 // startup. This intentionally does NOT re-read package.json per request: after
@@ -172,7 +172,6 @@ app.use(express.urlencoded({ limit: '50mb', extended: true }));
 app.get('/health', (req, res) => {
    res.json({
        status: 'ok',
-        version: packageJson.version,
        timestamp: new Date().toISOString(),
        installMode,
        version: RUNNING_VERSION
@@ -206,6 +205,8 @@ app.use('/api/commands', authenticateToken, commandsRoutes);
 // Settings API Routes (protected)
 app.use('/api/settings', authenticateToken, settingsRoutes);

+app.use('/api/notifications', authenticateToken, notificationRoutes);
+
 // User API Routes (protected)
 app.use('/api/user', authenticateToken, userRoutes);

--- a/server/modules/database/index.ts
+++ b/server/modules/database/index.ts
@@ -4,6 +4,7 @@ export { apiKeysDb } from '@/modules/database/repositories/api-keys.js';
 export { appConfigDb } from '@/modules/database/repositories/app-config.js';
 export { credentialsDb } from '@/modules/database/repositories/credentials.js';
 export { githubTokensDb } from '@/modules/database/repositories/github-tokens.js';
+export { notificationChannelEndpointsDb } from '@/modules/database/repositories/notification-channel-endpoints.js';
 export { notificationPreferencesDb } from '@/modules/database/repositories/notification-preferences.js';
 export { projectsDb } from '@/modules/database/repositories/projects.db.js';
 export { pushSubscriptionsDb } from '@/modules/database/repositories/push-subscriptions.js';
--- a/server/modules/database/migrations.ts
+++ b/server/modules/database/migrations.ts
@@ -3,6 +3,7 @@ import { Database } from 'better-sqlite3';
 import {
  APP_CONFIG_TABLE_SCHEMA_SQL,
  LAST_SCANNED_AT_SQL,
+  NOTIFICATION_CHANNEL_ENDPOINTS_TABLE_SCHEMA_SQL,
  PROJECTS_TABLE_SCHEMA_SQL,
  PUSH_SUBSCRIPTIONS_TABLE_SCHEMA_SQL,
  SESSIONS_TABLE_SCHEMA_SQL,
@@ -440,6 +441,9 @@ export const runMigrations = (db: Database) => {
    db.exec(VAPID_KEYS_TABLE_SCHEMA_SQL);
    db.exec(PUSH_SUBSCRIPTIONS_TABLE_SCHEMA_SQL);
    db.exec('CREATE INDEX IF NOT EXISTS idx_push_subscriptions_user_id ON push_subscriptions(user_id)');
+    db.exec(NOTIFICATION_CHANNEL_ENDPOINTS_TABLE_SCHEMA_SQL);
+    db.exec('CREATE INDEX IF NOT EXISTS idx_notification_channel_endpoints_user_channel ON notification_channel_endpoints(user_id, channel)');
+    db.exec('CREATE INDEX IF NOT EXISTS idx_notification_channel_endpoints_enabled ON notification_channel_endpoints(enabled)');

    db.exec(PROJECTS_TABLE_SCHEMA_SQL);
    rebuildProjectsTableWithPrimaryKeySchema(db);
--- a/server/modules/database/repositories/notification-channel-endpoints.ts
+++ b/server/modules/database/repositories/notification-channel-endpoints.ts
@@ -0,0 +1,153 @@
+import { getConnection } from '@/modules/database/connection.js';
+
+type NotificationChannelEndpointRow = {
+  id: number;
+  user_id: number;
+  channel: string;
+  endpoint_id: string;
+  label: string | null;
+  metadata_json: string | null;
+  enabled: number;
+  last_seen_at: string;
+  created_at: string;
+  updated_at: string;
+};
+
+type UpsertNotificationChannelEndpointInput = {
+  userId: number;
+  channel: string;
+  endpointId: string;
+  label?: string | null;
+  metadata?: Record<string, unknown> | null;
+  enabled?: boolean;
+};
+
+function normalizeRequiredText(value: unknown): string {
+  if (typeof value !== 'string') return '';
+  return value.trim();
+}
+
+function normalizeNullableText(value: unknown): string | null {
+  if (typeof value !== 'string') return null;
+  const normalized = value.trim();
+  return normalized || null;
+}
+
+function serializeMetadata(metadata: Record<string, unknown> | null | undefined): string | null {
+  if (!metadata || typeof metadata !== 'object') return null;
+  return JSON.stringify(metadata);
+}
+
+function parseMetadata(metadataJson: string | null): Record<string, unknown> {
+  if (!metadataJson) return {};
+  try {
+    const parsed = JSON.parse(metadataJson);
+    return parsed && typeof parsed === 'object' ? parsed as Record<string, unknown> : {};
+  } catch {
+    return {};
+  }
+}
+
+export const notificationChannelEndpointsDb = {
+  upsertEndpoint(input: UpsertNotificationChannelEndpointInput): NotificationChannelEndpointRow {
+    const channel = normalizeRequiredText(input.channel);
+    const endpointId = normalizeRequiredText(input.endpointId);
+    if (!channel) throw new Error('channel is required');
+    if (!endpointId) throw new Error('endpointId is required');
+
+    const enabled = input.enabled === false ? 0 : 1;
+    const db = getConnection();
+    db.prepare(
+      `INSERT INTO notification_channel_endpoints (
+         user_id,
+         channel,
+         endpoint_id,
+         label,
+         metadata_json,
+         enabled,
+         last_seen_at,
+         updated_at
+       )
+       VALUES (?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
+       ON CONFLICT(user_id, channel, endpoint_id) DO UPDATE SET
+         label = excluded.label,
+         metadata_json = excluded.metadata_json,
+         enabled = excluded.enabled,
+         last_seen_at = CURRENT_TIMESTAMP,
+         updated_at = CURRENT_TIMESTAMP`
+    ).run(
+      input.userId,
+      channel,
+      endpointId,
+      normalizeNullableText(input.label),
+      serializeMetadata(input.metadata),
+      enabled
+    );
+
+    return notificationChannelEndpointsDb.getEndpoint(input.userId, channel, endpointId)!;
+  },
+
+  getEndpoint(userId: number, channel: string, endpointId: string): NotificationChannelEndpointRow | null {
+    const db = getConnection();
+    const row = db.prepare(
+      `SELECT id, user_id, channel, endpoint_id, label, metadata_json, enabled, last_seen_at, created_at, updated_at
+       FROM notification_channel_endpoints
+       WHERE user_id = ? AND channel = ? AND endpoint_id = ?`
+    ).get(
+      userId,
+      normalizeRequiredText(channel),
+      normalizeRequiredText(endpointId)
+    ) as NotificationChannelEndpointRow | undefined;
+    return row || null;
+  },
+
+  getEndpoints(userId: number, channel: string): NotificationChannelEndpointRow[] {
+    const db = getConnection();
+    return db.prepare(
+      `SELECT id, user_id, channel, endpoint_id, label, metadata_json, enabled, last_seen_at, created_at, updated_at
+       FROM notification_channel_endpoints
+       WHERE user_id = ? AND channel = ?
+       ORDER BY last_seen_at DESC`
+    ).all(userId, normalizeRequiredText(channel)) as NotificationChannelEndpointRow[];
+  },
+
+  getEnabledEndpoints(userId: number, channel: string): NotificationChannelEndpointRow[] {
+    const db = getConnection();
+    return db.prepare(
+      `SELECT id, user_id, channel, endpoint_id, label, metadata_json, enabled, last_seen_at, created_at, updated_at
+       FROM notification_channel_endpoints
+       WHERE user_id = ? AND channel = ? AND enabled = 1
+       ORDER BY last_seen_at DESC`
+    ).all(userId, normalizeRequiredText(channel)) as NotificationChannelEndpointRow[];
+  },
+
+  setEndpointEnabled(userId: number, channel: string, endpointId: string, enabled: boolean): boolean {
+    const db = getConnection();
+    const result = db.prepare(
+      `UPDATE notification_channel_endpoints
+       SET enabled = ?, updated_at = CURRENT_TIMESTAMP
+       WHERE user_id = ? AND channel = ? AND endpoint_id = ?`
+    ).run(enabled ? 1 : 0, userId, normalizeRequiredText(channel), normalizeRequiredText(endpointId));
+    return result.changes > 0;
+  },
+
+  touchEndpoint(userId: number, channel: string, endpointId: string): boolean {
+    const db = getConnection();
+    const result = db.prepare(
+      `UPDATE notification_channel_endpoints
+       SET last_seen_at = CURRENT_TIMESTAMP
+       WHERE user_id = ? AND channel = ? AND endpoint_id = ?`
+    ).run(userId, normalizeRequiredText(channel), normalizeRequiredText(endpointId));
+    return result.changes > 0;
+  },
+
+  removeEndpoint(userId: number, channel: string, endpointId: string): boolean {
+    const db = getConnection();
+    const result = db.prepare(
+      'DELETE FROM notification_channel_endpoints WHERE user_id = ? AND channel = ? AND endpoint_id = ?'
+    ).run(userId, normalizeRequiredText(channel), normalizeRequiredText(endpointId));
+    return result.changes > 0;
+  },
+
+  parseMetadata,
+};
--- a/server/modules/database/repositories/notification-preferences.ts
+++ b/server/modules/database/repositories/notification-preferences.ts
@@ -10,7 +10,9 @@ type NotificationPreferences = {
  channels: {
    inApp: boolean;
    webPush: boolean;
+    desktop: boolean;
    sound: boolean;
+    [key: string]: boolean;
  };
  events: {
    actionRequired: boolean;
@@ -23,6 +25,7 @@ const DEFAULT_NOTIFICATION_PREFERENCES: NotificationPreferences = {
  channels: {
    inApp: false,
    webPush: false,
+    desktop: false,
    sound: true,
  },
  events: {
@@ -34,11 +37,20 @@ const DEFAULT_NOTIFICATION_PREFERENCES: NotificationPreferences = {

 function normalizeNotificationPreferences(value: unknown): NotificationPreferences {
  const source = value && typeof value === 'object' ? (value as Record<string, any>) : {};
+  const sourceChannels = source.channels && typeof source.channels === 'object'
+    ? source.channels as Record<string, unknown>
+    : {};
+  const extraChannels = Object.fromEntries(
+    Object.entries(sourceChannels)
+      .filter(([key, channelValue]) => !['inApp', 'webPush', 'desktop', 'sound'].includes(key) && typeof channelValue === 'boolean')
+  ) as Record<string, boolean>;

  return {
    channels: {
+      ...extraChannels,
      inApp: source.channels?.inApp === true,
      webPush: source.channels?.webPush === true,
+      desktop: source.channels?.desktop === true,
      sound: source.channels?.sound !== false,
    },
    events: {
@@ -103,4 +115,3 @@ export const notificationPreferencesDb = {
    return notificationPreferencesDb.updateNotificationPreferences(userId, preferences);
  },
 };
-
--- a/server/modules/database/schema.ts
+++ b/server/modules/database/schema.ts
@@ -69,6 +69,23 @@ CREATE TABLE IF NOT EXISTS push_subscriptions (
 );
 `;

+export const NOTIFICATION_CHANNEL_ENDPOINTS_TABLE_SCHEMA_SQL = `
+CREATE TABLE IF NOT EXISTS notification_channel_endpoints (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL,
+    channel TEXT NOT NULL,
+    endpoint_id TEXT NOT NULL,
+    label TEXT,
+    metadata_json TEXT,
+    enabled BOOLEAN DEFAULT 1,
+    last_seen_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(user_id, channel, endpoint_id),
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+`;
+
 export const PROJECTS_TABLE_SCHEMA_SQL = `
 CREATE TABLE IF NOT EXISTS projects (
    project_id TEXT PRIMARY KEY NOT NULL,
@@ -144,6 +161,10 @@ ${VAPID_KEYS_TABLE_SCHEMA_SQL}
 ${PUSH_SUBSCRIPTIONS_TABLE_SCHEMA_SQL}
 CREATE INDEX IF NOT EXISTS idx_push_subscriptions_user_id ON push_subscriptions(user_id);

+${NOTIFICATION_CHANNEL_ENDPOINTS_TABLE_SCHEMA_SQL}
+CREATE INDEX IF NOT EXISTS idx_notification_channel_endpoints_user_channel ON notification_channel_endpoints(user_id, channel);
+CREATE INDEX IF NOT EXISTS idx_notification_channel_endpoints_enabled ON notification_channel_endpoints(enabled);
+
 ${PROJECTS_TABLE_SCHEMA_SQL}
 -- NOTE: These indexes are created in migrations after legacy table-shape repairs.
 -- Creating them here can fail on upgraded installs where projects lacks those columns.
--- a/server/modules/notifications/index.ts
+++ b/server/modules/notifications/index.ts
@@ -0,0 +1,13 @@
+export {
+  buildNotificationPayload,
+  createNotificationEvent,
+  notifyUserIfEnabled,
+  notifyRunFailed,
+  notifyRunStopped,
+} from '@/modules/notifications/services/notification-orchestrator.service.js';
+export {
+  registerDesktopNotificationClient,
+  sendDesktopNotification,
+  unregisterDesktopNotificationClient,
+} from '@/modules/notifications/services/desktop-notification-clients.service.js';
+export { handleDesktopNotificationsConnection } from '@/modules/notifications/websocket/desktop-notifications-websocket.service.js';
--- a/server/modules/notifications/notifications.routes.ts
+++ b/server/modules/notifications/notifications.routes.ts
@@ -0,0 +1,127 @@
+import express from 'express';
+
+import { notificationChannelEndpointsDb, notificationPreferencesDb } from '@/modules/database/index.js';
+
+const router = express.Router();
+
+function readText(value: unknown): string {
+  return typeof value === 'string' ? value.trim() : '';
+}
+
+function sanitizeEndpoint(endpoint: any) {
+  return {
+    id: endpoint.id,
+    channel: endpoint.channel,
+    endpointId: endpoint.endpoint_id,
+    label: endpoint.label,
+    metadata: notificationChannelEndpointsDb.parseMetadata(endpoint.metadata_json),
+    enabled: Boolean(endpoint.enabled),
+    lastSeenAt: endpoint.last_seen_at,
+    createdAt: endpoint.created_at,
+    updatedAt: endpoint.updated_at,
+  };
+}
+
+function readUserId(req: express.Request): number {
+  const userId = Number((req as any).user?.id);
+  if (!Number.isInteger(userId) || userId <= 0) {
+    throw new Error('Authenticated user is missing');
+  }
+  return userId;
+}
+
+function updateChannelPreference(userId: number, channel: string): unknown {
+  const currentPrefs = notificationPreferencesDb.getPreferences(userId);
+  const hasEnabledEndpoint = notificationChannelEndpointsDb.getEnabledEndpoints(userId, channel).length > 0;
+  return notificationPreferencesDb.updatePreferences(userId, {
+    ...currentPrefs,
+    channels: { ...currentPrefs.channels, [channel]: hasEnabledEndpoint },
+  });
+}
+
+router.get('/endpoints', (req, res) => {
+  try {
+    const channel = readText(req.query.channel);
+    if (!channel) {
+      return res.status(400).json({ error: 'channel is required' });
+    }
+
+    const userId = readUserId(req);
+    const endpoints = notificationChannelEndpointsDb
+      .getEndpoints(userId, channel)
+      .map(sanitizeEndpoint);
+    return res.json({ success: true, endpoints });
+  } catch (error) {
+    console.error('Error fetching notification endpoints:', error);
+    return res.status(500).json({ error: 'Failed to fetch notification endpoints' });
+  }
+});
+
+router.post('/endpoints/current', (req, res) => {
+  try {
+    const { channel, endpointId, label, metadata = {}, enabled = true } = req.body || {};
+    const normalizedChannel = readText(channel);
+    const normalizedEndpointId = readText(endpointId);
+    if (!normalizedChannel || !normalizedEndpointId) {
+      return res.status(400).json({ error: 'channel and endpointId are required' });
+    }
+
+    const userId = readUserId(req);
+    const endpoint = notificationChannelEndpointsDb.upsertEndpoint({
+      userId,
+      channel: normalizedChannel,
+      endpointId: normalizedEndpointId,
+      label,
+      metadata: metadata && typeof metadata === 'object' ? metadata : {},
+      enabled: enabled !== false,
+    });
+
+    const preferences = updateChannelPreference(userId, normalizedChannel);
+    return res.json({ success: true, endpoint: sanitizeEndpoint(endpoint), preferences });
+  } catch (error) {
+    console.error('Error registering notification endpoint:', error);
+    return res.status(500).json({ error: 'Failed to register notification endpoint' });
+  }
+});
+
+router.patch('/endpoints/:channel/:endpointId', (req, res) => {
+  try {
+    const { channel, endpointId } = req.params;
+    const { enabled } = req.body || {};
+    if (typeof enabled !== 'boolean') {
+      return res.status(400).json({ error: 'enabled must be a boolean' });
+    }
+
+    const userId = readUserId(req);
+    const updated = notificationChannelEndpointsDb.setEndpointEnabled(userId, channel, endpointId, enabled);
+    if (!updated) {
+      return res.status(404).json({ error: 'Notification endpoint not found' });
+    }
+
+    const endpoint = notificationChannelEndpointsDb.getEndpoint(userId, channel, endpointId);
+    const preferences = updateChannelPreference(userId, channel);
+    return res.json({ success: true, endpoint: endpoint ? sanitizeEndpoint(endpoint) : null, preferences });
+  } catch (error) {
+    console.error('Error updating notification endpoint:', error);
+    return res.status(500).json({ error: 'Failed to update notification endpoint' });
+  }
+});
+
+router.delete('/endpoints/:channel/:endpointId', (req, res) => {
+  try {
+    const { channel, endpointId } = req.params;
+    const userId = readUserId(req);
+    const removed = notificationChannelEndpointsDb.removeEndpoint(userId, channel, endpointId);
+    if (!removed) {
+      return res.status(404).json({ error: 'Notification endpoint not found' });
+    }
+
+    const preferences = updateChannelPreference(userId, channel);
+    return res.json({ success: true, preferences });
+  } catch (error) {
+    console.error('Error removing notification endpoint:', error);
+    return res.status(500).json({ error: 'Failed to remove notification endpoint' });
+  }
+});
+
+export default router;
--- a/server/modules/notifications/services/desktop-notification-clients.service.ts
+++ b/server/modules/notifications/services/desktop-notification-clients.service.ts
@@ -0,0 +1,124 @@
+import type { WebSocket } from 'ws';
+
+import { notificationChannelEndpointsDb } from '@/modules/database/index.js';
+
+const DESKTOP_CHANNEL = 'desktop';
+
+const clientsByUserId = new Map<number, Map<string, WebSocket>>();
+const clientBySocket = new WeakMap<WebSocket, { userId: number; endpointId: string }>();
+
+function normalizeUserId(userId: unknown): number | null {
+  const numeric = Number(userId);
+  return Number.isInteger(numeric) && numeric > 0 ? numeric : null;
+}
+
+function normalizeEndpointId(endpointId: unknown): string {
+  if (typeof endpointId !== 'string') return '';
+  return endpointId.trim();
+}
+
+function getUserClients(userId: unknown, create = false): Map<string, WebSocket> | null {
+  const normalizedUserId = normalizeUserId(userId);
+  if (!normalizedUserId) return null;
+  let clients = clientsByUserId.get(normalizedUserId);
+  if (!clients && create) {
+    clients = new Map();
+    clientsByUserId.set(normalizedUserId, clients);
+  }
+  return clients || null;
+}
+
+export function registerDesktopNotificationClient({
+  userId,
+  deviceId,
+  label = null,
+  platform = null,
+  appVersion = null,
+  ws,
+}: {
+  userId: number;
+  deviceId: string;
+  label?: string | null;
+  platform?: string | null;
+  appVersion?: string | null;
+  ws: WebSocket;
+}) {
+  const normalizedUserId = normalizeUserId(userId);
+  const endpointId = normalizeEndpointId(deviceId);
+  if (!normalizedUserId || !endpointId) {
+    return false;
+  }
+
+  const endpoint = notificationChannelEndpointsDb.upsertEndpoint({
+    userId: normalizedUserId,
+    channel: DESKTOP_CHANNEL,
+    endpointId,
+    label,
+    metadata: { platform, appVersion },
+    enabled: true,
+  });
+
+  const clients = getUserClients(normalizedUserId, true)!;
+  const previous = clients.get(endpointId);
+  if (previous && previous !== ws && previous.readyState === previous.OPEN) {
+    previous.close(4000, 'Device reconnected');
+  }
+
+  clients.set(endpointId, ws);
+  clientBySocket.set(ws, { userId: normalizedUserId, endpointId });
+  return endpoint;
+}
+
+export function unregisterDesktopNotificationClient(ws: WebSocket): void {
+  const registration = clientBySocket.get(ws);
+  if (!registration) return;
+
+  const clients = getUserClients(registration.userId);
+  if (clients?.get(registration.endpointId) === ws) {
+    clients.delete(registration.endpointId);
+    if (clients.size === 0) {
+      clientsByUserId.delete(registration.userId);
+    }
+  }
+  clientBySocket.delete(ws);
+}
+
+export function sendDesktopNotification(userId: unknown, payload: unknown): { attempted: number; sent: number } {
+  const normalizedUserId = normalizeUserId(userId);
+  if (!normalizedUserId) return { attempted: 0, sent: 0 };
+
+  const clients = getUserClients(normalizedUserId);
+  if (!clients?.size) return { attempted: 0, sent: 0 };
+
+  const enabledEndpointIds = new Set(
+    notificationChannelEndpointsDb
+      .getEnabledEndpoints(normalizedUserId, DESKTOP_CHANNEL)
+      .map((endpoint) => endpoint.endpoint_id)
+  );
+
+  const message = JSON.stringify({
+    type: 'notification',
+    id: typeof (payload as any)?.data?.tag === 'string' ? (payload as any).data.tag : `${Date.now()}`,
+    payload,
+  });
+
+  let attempted = 0;
+  let sent = 0;
+  for (const [endpointId, ws] of clients.entries()) {
+    if (!enabledEndpointIds.has(endpointId)) continue;
+    attempted += 1;
+    if (ws.readyState !== ws.OPEN) {
+      unregisterDesktopNotificationClient(ws);
+      continue;
+    }
+    try {
+      ws.send(message);
+      notificationChannelEndpointsDb.touchEndpoint(normalizedUserId, DESKTOP_CHANNEL, endpointId);
+      sent += 1;
+    } catch {
+      unregisterDesktopNotificationClient(ws);
+    }
+  }
+
+  return { attempted, sent };
+}
--- a/server/modules/notifications/services/notification-orchestrator.service.js
+++ b/server/modules/notifications/services/notification-orchestrator.service.js
@@ -0,0 +1,288 @@
+import webPush from 'web-push';
+
+import { notificationPreferencesDb, pushSubscriptionsDb, sessionsDb } from '@/modules/database/index.js';
+import { sendDesktopNotification as sendDesktopNotificationToClients } from '@/modules/notifications/services/desktop-notification-clients.service.js';
+
+const KIND_TO_PREF_KEY = {
+  action_required: 'actionRequired',
+  stop: 'stop',
+  error: 'error'
+};
+
+const PROVIDER_LABELS = {
+  claude: 'Claude',
+  cursor: 'Cursor',
+  codex: 'Codex',
+  gemini: 'Gemini',
+  system: 'System'
+};
+
+const recentEventKeys = new Map();
+const DEDUPE_WINDOW_MS = 20000;
+
+const cleanupOldEventKeys = () => {
+  const now = Date.now();
+  for (const [key, timestamp] of recentEventKeys.entries()) {
+    if (now - timestamp > DEDUPE_WINDOW_MS) {
+      recentEventKeys.delete(key);
+    }
+  }
+};
+
+function isNotificationEventEnabled(preferences, event) {
+  const prefEventKey = KIND_TO_PREF_KEY[event.kind];
+  const eventEnabled = prefEventKey ? Boolean(preferences?.events?.[prefEventKey]) : true;
+
+  return eventEnabled;
+}
+
+function isDuplicate(event) {
+  cleanupOldEventKeys();
+  const key = event.dedupeKey || `${event.provider}:${event.kind || 'info'}:${event.code || 'generic'}:${event.sessionId || 'none'}`;
+  if (recentEventKeys.has(key)) {
+    return true;
+  }
+  recentEventKeys.set(key, Date.now());
+  return false;
+}
+
+function createNotificationEvent({
+  provider,
+  sessionId = null,
+  kind = 'info',
+  code = 'generic.info',
+  meta = {},
+  severity = 'info',
+  dedupeKey = null,
+  requiresUserAction = false
+}) {
+  return {
+    provider,
+    sessionId,
+    kind,
+    code,
+    meta,
+    severity,
+    requiresUserAction,
+    dedupeKey,
+    createdAt: new Date().toISOString()
+  };
+}
+
+function normalizeErrorMessage(error) {
+  if (typeof error === 'string') {
+    return error;
+  }
+
+  if (error && typeof error.message === 'string') {
+    return error.message;
+  }
+
+  if (error == null) {
+    return 'Unknown error';
+  }
+
+  return String(error);
+}
+
+function normalizeSessionName(sessionName) {
+  if (typeof sessionName !== 'string') {
+    return null;
+  }
+
+  const normalized = sessionName.replace(/\s+/g, ' ').trim();
+  if (!normalized) {
+    return null;
+  }
+
+  return normalized.length > 80 ? `${normalized.slice(0, 77)}...` : normalized;
+}
+
+function rowMatchesProvider(row, provider) {
+  return row && (!provider || row.provider === provider);
+}
+
+function resolveSessionRow(sessionId, provider) {
+  if (!sessionId) {
+    return null;
+  }
+
+  const appSessionRow = sessionsDb.getSessionById(sessionId);
+  if (rowMatchesProvider(appSessionRow, provider)) {
+    return appSessionRow;
+  }
+
+  const providerSessionRow = sessionsDb.getSessionByProviderSessionId(sessionId);
+  if (rowMatchesProvider(providerSessionRow, provider)) {
+    return providerSessionRow;
+  }
+
+  return null;
+}
+
+function normalizeNotificationSession(event) {
+  if (!event?.sessionId || !event.provider || event.provider === 'system') {
+    return event;
+  }
+
+  const row = resolveSessionRow(event.sessionId, event.provider);
+  if (!row || row.session_id === event.sessionId) {
+    return event;
+  }
+
+  return {
+    ...event,
+    sessionId: row.session_id
+  };
+}
+
+function resolveSessionName(event) {
+  const explicitSessionName = normalizeSessionName(event.meta?.sessionName);
+  if (explicitSessionName) {
+    return explicitSessionName;
+  }
+
+  if (!event.sessionId || !event.provider) {
+    return null;
+  }
+
+  return normalizeSessionName(sessionsDb.getSessionName(event.sessionId, event.provider));
+}
+
+function buildNotificationPayload(event) {
+  const normalizedEvent = normalizeNotificationSession(event);
+  const CODE_MAP = {
+    'permission.required': normalizedEvent.meta?.toolName
+      ? `Action Required: Tool "${normalizedEvent.meta.toolName}" needs approval`
+      : 'Action Required: A tool needs your approval',
+    'run.stopped': normalizedEvent.meta?.stopReason || 'Run Stopped: The run has stopped',
+    'run.failed': normalizedEvent.meta?.error ? `Run Failed: ${normalizedEvent.meta.error}` : 'Run Failed: The run encountered an error',
+    'agent.notification': normalizedEvent.meta?.message ? String(normalizedEvent.meta.message) : 'You have a new notification',
+    'push.enabled': 'Push notifications are now enabled!'
+  };
+  const providerLabel = PROVIDER_LABELS[normalizedEvent.provider] || 'Assistant';
+  const sessionName = resolveSessionName(normalizedEvent);
+  const message = CODE_MAP[normalizedEvent.code] || 'You have a new notification';
+
+  return {
+    title: sessionName || 'CloudCLI',
+    body: `${providerLabel}: ${message}`,
+    data: {
+      sessionId: normalizedEvent.sessionId || null,
+      code: normalizedEvent.code,
+      provider: normalizedEvent.provider || null,
+      sessionName,
+      tag: `${normalizedEvent.provider || 'assistant'}:${normalizedEvent.sessionId || 'none'}:${normalizedEvent.code}`
+    }
+  };
+}
+
+function sendWebPushPayload(userId, payload) {
+  const subscriptions = pushSubscriptionsDb.getSubscriptions(userId);
+  if (!subscriptions.length) return Promise.resolve();
+
+  const serializedPayload = JSON.stringify(payload);
+  return Promise.allSettled(
+    subscriptions.map((sub) =>
+      webPush.sendNotification(
+        {
+          endpoint: sub.endpoint,
+          keys: {
+            p256dh: sub.keys_p256dh,
+            auth: sub.keys_auth
+          }
+        },
+        serializedPayload
+      )
+    )
+  ).then((results) => {
+    results.forEach((result, index) => {
+      if (result.status === 'rejected') {
+        const statusCode = result.reason?.statusCode;
+        if (statusCode === 410 || statusCode === 404) {
+          pushSubscriptionsDb.removeSubscription(subscriptions[index].endpoint);
+        }
+      }
+    });
+  });
+}
+
+const notificationChannels = [
+  {
+    id: 'webPush',
+    // TODO: Web push still uses push_subscriptions. Do not remove that table until
+    // browser push subscriptions are migrated into notification_channel_endpoints.
+    isEnabled: (preferences) => Boolean(preferences?.channels?.webPush),
+    send: ({ userId, payload }) => sendWebPushPayload(userId, payload)
+  },
+  {
+    id: 'desktop',
+    isEnabled: (preferences) => Boolean(preferences?.channels?.desktop),
+    send: ({ userId, payload }) => sendDesktopNotificationToClients(userId, payload)
+  }
+];
+
+function notifyUserIfEnabled({ userId, event }) {
+  if (!userId || !event) {
+    return;
+  }
+
+  const normalizedEvent = normalizeNotificationSession(event);
+  const preferences = notificationPreferencesDb.getPreferences(userId);
+  if (!isNotificationEventEnabled(preferences, normalizedEvent)) {
+    return;
+  }
+  if (isDuplicate(normalizedEvent)) {
+    return;
+  }
+
+  const payload = buildNotificationPayload(normalizedEvent);
+  for (const channel of notificationChannels) {
+    if (!channel.isEnabled(preferences)) {
+      continue;
+    }
+    Promise.resolve(channel.send({ userId, event: normalizedEvent, payload })).catch((err) => {
+      console.error(`Notification channel "${channel.id}" send error:`, err);
+    });
+  }
+}
+
+function notifyRunStopped({ userId, provider, sessionId = null, stopReason = 'completed', sessionName = null }) {
+  notifyUserIfEnabled({
+    userId,
+    event: createNotificationEvent({
+      provider,
+      sessionId,
+      kind: 'stop',
+      code: 'run.stopped',
+      meta: { stopReason, sessionName },
+      severity: 'info',
+      dedupeKey: `${provider}:run:stop:${sessionId || 'none'}:${stopReason}`
+    })
+  });
+}
+
+function notifyRunFailed({ userId, provider, sessionId = null, error, sessionName = null }) {
+  const errorMessage = normalizeErrorMessage(error);
+
+  notifyUserIfEnabled({
+    userId,
+    event: createNotificationEvent({
+      provider,
+      sessionId,
+      kind: 'error',
+      code: 'run.failed',
+      meta: { error: errorMessage, sessionName },
+      severity: 'error',
+      dedupeKey: `${provider}:run:error:${sessionId || 'none'}:${errorMessage}`
+    })
+  });
+}
+
+export {
+  buildNotificationPayload,
+  createNotificationEvent,
+  notifyUserIfEnabled,
+  notifyRunStopped,
+  notifyRunFailed
+};
--- a/server/modules/notifications/websocket/desktop-notifications-websocket.service.ts
+++ b/server/modules/notifications/websocket/desktop-notifications-websocket.service.ts
@@ -0,0 +1,109 @@
+import type { WebSocket } from 'ws';
+
+import {
+  registerDesktopNotificationClient,
+  unregisterDesktopNotificationClient,
+} from '@/modules/notifications/services/desktop-notification-clients.service.js';
+import type { AuthenticatedWebSocketRequest } from '@/shared/types.js';
+import { parseIncomingJsonObject } from '@/shared/utils.js';
+
+type DesktopNotificationRegisterMessage = {
+  type?: unknown;
+  kind?: unknown;
+  deviceId?: unknown;
+  label?: unknown;
+  platform?: unknown;
+  appVersion?: unknown;
+};
+
+function readRequestUserId(request: AuthenticatedWebSocketRequest): number | null {
+  const user = request.user;
+  const rawUserId = typeof user?.id === 'number' || typeof user?.id === 'string'
+    ? user.id
+    : typeof user?.userId === 'number' || typeof user?.userId === 'string'
+      ? user.userId
+      : null;
+  const numericUserId = Number(rawUserId);
+  return Number.isInteger(numericUserId) && numericUserId > 0 ? numericUserId : null;
+}
+
+function readOptionalString(value: unknown): string | null {
+  if (typeof value !== 'string') return null;
+  const normalized = value.trim();
+  return normalized || null;
+}
+
+function sendJson(ws: WebSocket, payload: unknown): void {
+  if (ws.readyState === ws.OPEN) {
+    ws.send(JSON.stringify(payload));
+  }
+}
+
+export function handleDesktopNotificationsConnection(
+  ws: WebSocket,
+  request: AuthenticatedWebSocketRequest
+): void {
+  const userId = readRequestUserId(request);
+  if (!userId) {
+    ws.close(1008, 'Missing authenticated user');
+    return;
+  }
+
+  let registered = false;
+
+  ws.on('message', (rawMessage) => {
+    const data = parseIncomingJsonObject(rawMessage) as DesktopNotificationRegisterMessage | null;
+    if (!data) {
+      return;
+    }
+
+    const type = typeof data.type === 'string' ? data.type : typeof data.kind === 'string' ? data.kind : '';
+    if (type === 'notification_ack') {
+      return;
+    }
+
+    if (type !== 'register' || registered) {
+      return;
+    }
+
+    const deviceId = readOptionalString(data.deviceId);
+    if (!deviceId) {
+      sendJson(ws, {
+        type: 'error',
+        code: 'DEVICE_ID_REQUIRED',
+        message: 'Desktop notification registration requires deviceId.',
+      });
+      ws.close(1008, 'Missing deviceId');
+      return;
+    }
+
+    const device = registerDesktopNotificationClient({
+      userId,
+      deviceId,
+      label: readOptionalString(data.label),
+      platform: readOptionalString(data.platform),
+      appVersion: readOptionalString(data.appVersion),
+      ws,
+    });
+
+    if (!device) {
+      ws.close(1011, 'Registration failed');
+      return;
+    }
+
+    registered = true;
+    sendJson(ws, {
+      type: 'registered',
+      deviceId: device.endpoint_id,
+      enabled: Boolean(device.enabled),
+    });
+  });
+
+  ws.on('close', () => {
+    unregisterDesktopNotificationClient(ws);
+  });
+
+  ws.on('error', () => {
+    unregisterDesktopNotificationClient(ws);
+  });
+}
--- a/server/modules/providers/provider.routes.ts
+++ b/server/modules/providers/provider.routes.ts
@@ -430,6 +430,17 @@ router.post(
  }),
 );

+router.delete(
+  '/:provider/skills/:directoryName',
+  asyncHandler(async (req: Request, res: Response) => {
+    const provider = parseProvider(req.params.provider);
+    const result = await providerSkillsService.removeProviderSkill(provider, {
+      directoryName: readPathParam(req.params.directoryName, 'directoryName'),
+    });
+    res.json(createApiSuccessResponse(result));
+  }),
+);
+
 // ----------------- MCP routes -----------------
 router.get(
  '/:provider/mcp/servers',
--- a/server/modules/providers/services/skills.service.ts
+++ b/server/modules/providers/services/skills.service.ts
@@ -3,6 +3,7 @@ import type {
  ProviderSkill,
  ProviderSkillCreateInput,
  ProviderSkillListOptions,
+  ProviderSkillRemoveInput,
 } from '@/shared/types.js';

 export const providerSkillsService = {
@@ -27,4 +28,12 @@ export const providerSkillsService = {
    const provider = providerRegistry.resolveProvider(providerName);
    return provider.skills.addSkills(input);
  },
+
+  async removeProviderSkill(
+    providerName: string,
+    input: ProviderSkillRemoveInput,
+  ): Promise<{ removed: boolean; provider: string; directoryName: string }> {
+    const provider = providerRegistry.resolveProvider(providerName);
+    return provider.skills.removeSkill(input);
+  },
 };
--- a/server/modules/providers/shared/skills/skills.provider.ts
+++ b/server/modules/providers/shared/skills/skills.provider.ts
@@ -1,10 +1,11 @@
 import path from 'node:path';
-import { mkdir, rm, writeFile } from 'node:fs/promises';
+import { mkdir, rm, stat, writeFile } from 'node:fs/promises';

 import type { IProviderSkills } from '@/shared/interfaces.js';
 import type {
  LLMProvider,
  ProviderSkillCreateInput,
+  ProviderSkillRemoveInput,
  ProviderSkill,
  ProviderSkillListOptions,
  ProviderSkillSource,
@@ -236,6 +237,48 @@ export abstract class SkillsProvider implements IProviderSkills {
    return pendingInstalls.map((install) => install.skill);
  }

+  async removeSkill(
+    input: ProviderSkillRemoveInput,
+  ): Promise<{ removed: boolean; provider: LLMProvider; directoryName: string }> {
+    const globalSkillSource = await this.getGlobalSkillSource();
+    if (!globalSkillSource) {
+      throw new AppError(`${this.provider} does not support managed global skills.`, {
+        code: 'PROVIDER_SKILLS_WRITE_UNSUPPORTED',
+        statusCode: 400,
+      });
+    }
+
+    const directoryName = normalizeSkillDirectoryName(input.directoryName);
+    if (!directoryName) {
+      throw new AppError('Skill directoryName is required.', {
+        code: 'PROVIDER_SKILL_DIRECTORY_REQUIRED',
+        statusCode: 400,
+      });
+    }
+
+    const skillDirectoryPath = path.join(globalSkillSource.rootDir, directoryName);
+    const resolvedRoot = path.resolve(globalSkillSource.rootDir);
+    const resolvedSkillDirectoryPath = path.resolve(skillDirectoryPath);
+    if (
+      resolvedSkillDirectoryPath !== resolvedRoot
+      && !resolvedSkillDirectoryPath.startsWith(`${resolvedRoot}${path.sep}`)
+    ) {
+      throw new AppError('Skill directory must stay inside the managed skill root.', {
+        code: 'PROVIDER_SKILL_DIRECTORY_INVALID',
+        statusCode: 400,
+      });
+    }
+
+    const removed = await stat(resolvedSkillDirectoryPath)
+      .then((stats) => stats.isDirectory())
+      .catch(() => false);
+    if (removed) {
+      await rm(resolvedSkillDirectoryPath, { recursive: true, force: true });
+    }
+
+    return { removed, provider: this.provider, directoryName };
+  }
+
  protected abstract getSkillSources(workspacePath: string): Promise<ProviderSkillSource[]>;

  protected async getGlobalSkillSource(): Promise<ProviderSkillSource | null> {
--- a/server/modules/providers/tests/skills.test.ts
+++ b/server/modules/providers/tests/skills.test.ts
@@ -662,6 +662,19 @@ test('providerSkillsService adds global skills for claude, codex, gemini, and cu
    const listedCursorSkills = await providerSkillsService.listProviderSkills('cursor');
    assert.equal(listedCursorSkills.some((skill) => skill.name === 'cursor-global'), true);

+    const removedCodexSkill = await providerSkillsService.removeProviderSkill('codex', {
+      directoryName: 'uploaded-codex-folder',
+    });
+    assert.equal(removedCodexSkill.removed, true);
+    assert.equal(removedCodexSkill.provider, 'codex');
+    assert.equal(removedCodexSkill.directoryName, 'uploaded-codex-folder');
+    await assert.rejects(fs.stat(path.dirname(createdCodexSkill.sourcePath)), { code: 'ENOENT' });
+
+    const removedMissingSkill = await providerSkillsService.removeProviderSkill('codex', {
+      directoryName: 'uploaded-codex-folder',
+    });
+    assert.equal(removedMissingSkill.removed, false);
+
    await assert.rejects(
      providerSkillsService.addProviderSkills('codex', {
        entries: [
@@ -701,4 +714,11 @@ test('providerSkillsService rejects managed skill creation for opencode', { conc
    }),
    /does not support managed global skills/i,
  );
+
+  await assert.rejects(
+    providerSkillsService.removeProviderSkill('opencode', {
+      directoryName: 'opencode-global-dir',
+    }),
+    /does not support managed global skills/i,
+  );
 });
--- a/server/modules/websocket/services/websocket-server.service.ts
+++ b/server/modules/websocket/services/websocket-server.service.ts
@@ -7,6 +7,7 @@ import { verifyWebSocketClient } from '@/modules/websocket/services/websocket-au
 import { handlePluginWsProxy } from '@/modules/websocket/services/plugin-websocket-proxy.service.js';
 import { handleShellConnection } from '@/modules/websocket/services/shell-websocket.service.js';
 import { handleDesktopAgentConnection } from '@/modules/websocket/services/desktop-agent-websocket.service.js';
+import { handleDesktopNotificationsConnection } from '@/modules/notifications/index.js';
 import type { AuthenticatedWebSocketRequest } from '@/shared/types.js';

 type WebSocketServerDependencies = {
@@ -69,6 +70,11 @@ export function createWebSocketServer(
      return;
    }

+    if (pathname === '/desktop-notifications') {
+      handleDesktopNotificationsConnection(ws, incomingRequest);
+      return;
+    }
+
    if (pathname.startsWith('/plugin-ws/')) {
      handlePluginWsProxy(ws, pathname, dependencies.getPluginPort);
      return;
--- a/server/routes/settings.js
+++ b/server/routes/settings.js
@@ -1,6 +1,11 @@
 import express from 'express';

-import { apiKeysDb, credentialsDb, notificationPreferencesDb, pushSubscriptionsDb } from '../modules/database/index.js';
+import {
+  apiKeysDb,
+  credentialsDb,
+  notificationPreferencesDb,
+  pushSubscriptionsDb,
+} from '../modules/database/index.js';
 import { getPublicKey } from '../services/vapid-keys.js';
 import { createNotificationEvent, notifyUserIfEnabled } from '../services/notification-orchestrator.js';

--- a/server/services/notification-orchestrator.js
+++ b/server/services/notification-orchestrator.js
@@ -1,268 +1,7 @@
-import webPush from 'web-push';
-
-import { notificationPreferencesDb, pushSubscriptionsDb, sessionsDb } from '../modules/database/index.js';
-
-const KIND_TO_PREF_KEY = {
-  action_required: 'actionRequired',
-  stop: 'stop',
-  error: 'error'
-};
-
-const PROVIDER_LABELS = {
-  claude: 'Claude',
-  cursor: 'Cursor',
-  codex: 'Codex',
-  gemini: 'Gemini',
-  system: 'System'
-};
-
-const recentEventKeys = new Map();
-const DEDUPE_WINDOW_MS = 20000;
-
-const cleanupOldEventKeys = () => {
-  const now = Date.now();
-  for (const [key, timestamp] of recentEventKeys.entries()) {
-    if (now - timestamp > DEDUPE_WINDOW_MS) {
-      recentEventKeys.delete(key);
-    }
-  }
-};
-
-function shouldSendPush(preferences, event) {
-  const webPushEnabled = Boolean(preferences?.channels?.webPush);
-  const prefEventKey = KIND_TO_PREF_KEY[event.kind];
-  const eventEnabled = prefEventKey ? Boolean(preferences?.events?.[prefEventKey]) : true;
-
-  return webPushEnabled && eventEnabled;
-}
-
-function isDuplicate(event) {
-  cleanupOldEventKeys();
-  const key = event.dedupeKey || `${event.provider}:${event.kind || 'info'}:${event.code || 'generic'}:${event.sessionId || 'none'}`;
-  if (recentEventKeys.has(key)) {
-    return true;
-  }
-  recentEventKeys.set(key, Date.now());
-  return false;
-}
-
-function createNotificationEvent({
-  provider,
-  sessionId = null,
-  kind = 'info',
-  code = 'generic.info',
-  meta = {},
-  severity = 'info',
-  dedupeKey = null,
-  requiresUserAction = false
-}) {
-  return {
-    provider,
-    sessionId,
-    kind,
-    code,
-    meta,
-    severity,
-    requiresUserAction,
-    dedupeKey,
-    createdAt: new Date().toISOString()
-  };
-}
-
-function normalizeErrorMessage(error) {
-  if (typeof error === 'string') {
-    return error;
-  }
-
-  if (error && typeof error.message === 'string') {
-    return error.message;
-  }
-
-  if (error == null) {
-    return 'Unknown error';
-  }
-
-  return String(error);
-}
-
-function normalizeSessionName(sessionName) {
-  if (typeof sessionName !== 'string') {
-    return null;
-  }
-
-  const normalized = sessionName.replace(/\s+/g, ' ').trim();
-  if (!normalized) {
-    return null;
-  }
-
-  return normalized.length > 80 ? `${normalized.slice(0, 77)}...` : normalized;
-}
-
-function rowMatchesProvider(row, provider) {
-  return row && (!provider || row.provider === provider);
-}
-
-function resolveSessionRow(sessionId, provider) {
-  if (!sessionId) {
-    return null;
-  }
-
-  const appSessionRow = sessionsDb.getSessionById(sessionId);
-  if (rowMatchesProvider(appSessionRow, provider)) {
-    return appSessionRow;
-  }
-
-  const providerSessionRow = sessionsDb.getSessionByProviderSessionId(sessionId);
-  if (rowMatchesProvider(providerSessionRow, provider)) {
-    return providerSessionRow;
-  }
-
-  return null;
-}
-
-function normalizeNotificationSession(event) {
-  if (!event?.sessionId || !event.provider || event.provider === 'system') {
-    return event;
-  }
-
-  const row = resolveSessionRow(event.sessionId, event.provider);
-  if (!row || row.session_id === event.sessionId) {
-    return event;
-  }
-
-  return {
-    ...event,
-    sessionId: row.session_id
-  };
-}
-
-function resolveSessionName(event) {
-  const explicitSessionName = normalizeSessionName(event.meta?.sessionName);
-  if (explicitSessionName) {
-    return explicitSessionName;
-  }
-
-  if (!event.sessionId || !event.provider) {
-    return null;
-  }
-
-  return normalizeSessionName(sessionsDb.getSessionName(event.sessionId, event.provider));
-}
-
-function buildPushBody(event) {
-  const normalizedEvent = normalizeNotificationSession(event);
-  const CODE_MAP = {
-    'permission.required': normalizedEvent.meta?.toolName
-      ? `Action Required: Tool "${normalizedEvent.meta.toolName}" needs approval`
-      : 'Action Required: A tool needs your approval',
-    'run.stopped': normalizedEvent.meta?.stopReason || 'Run Stopped: The run has stopped',
-    'run.failed': normalizedEvent.meta?.error ? `Run Failed: ${normalizedEvent.meta.error}` : 'Run Failed: The run encountered an error',
-    'agent.notification': normalizedEvent.meta?.message ? String(normalizedEvent.meta.message) : 'You have a new notification',
-    'push.enabled': 'Push notifications are now enabled!'
-  };
-  const providerLabel = PROVIDER_LABELS[normalizedEvent.provider] || 'Assistant';
-  const sessionName = resolveSessionName(normalizedEvent);
-  const message = CODE_MAP[normalizedEvent.code] || 'You have a new notification';
-
-  return {
-    title: sessionName || 'CloudCLI',
-    body: `${providerLabel}: ${message}`,
-    data: {
-      sessionId: normalizedEvent.sessionId || null,
-      code: normalizedEvent.code,
-      provider: normalizedEvent.provider || null,
-      sessionName,
-      tag: `${normalizedEvent.provider || 'assistant'}:${normalizedEvent.sessionId || 'none'}:${normalizedEvent.code}`
-    }
-  };
-}
-
-async function sendWebPush(userId, event) {
-  const subscriptions = pushSubscriptionsDb.getSubscriptions(userId);
-  if (!subscriptions.length) return;
-
-  const payload = JSON.stringify(buildPushBody(event));
-
-  const results = await Promise.allSettled(
-    subscriptions.map((sub) =>
-      webPush.sendNotification(
-        {
-          endpoint: sub.endpoint,
-          keys: {
-            p256dh: sub.keys_p256dh,
-            auth: sub.keys_auth
-          }
-        },
-        payload
-      )
-    )
-  );
-
-  // Clean up gone subscriptions (410 Gone or 404)
-  results.forEach((result, index) => {
-    if (result.status === 'rejected') {
-      const statusCode = result.reason?.statusCode;
-      if (statusCode === 410 || statusCode === 404) {
-        pushSubscriptionsDb.removeSubscription(subscriptions[index].endpoint);
-      }
-    }
-  });
-}
-
-function notifyUserIfEnabled({ userId, event }) {
-  if (!userId || !event) {
-    return;
-  }
-
-  const normalizedEvent = normalizeNotificationSession(event);
-  const preferences = notificationPreferencesDb.getPreferences(userId);
-  if (!shouldSendPush(preferences, normalizedEvent)) {
-    return;
-  }
-  if (isDuplicate(normalizedEvent)) {
-    return;
-  }
-
-  sendWebPush(userId, normalizedEvent).catch((err) => {
-    console.error('Web push send error:', err);
-  });
-}
-
-function notifyRunStopped({ userId, provider, sessionId = null, stopReason = 'completed', sessionName = null }) {
-  notifyUserIfEnabled({
-    userId,
-    event: createNotificationEvent({
-      provider,
-      sessionId,
-      kind: 'stop',
-      code: 'run.stopped',
-      meta: { stopReason, sessionName },
-      severity: 'info',
-      dedupeKey: `${provider}:run:stop:${sessionId || 'none'}:${stopReason}`
-    })
-  });
-}
-
-function notifyRunFailed({ userId, provider, sessionId = null, error, sessionName = null }) {
-  const errorMessage = normalizeErrorMessage(error);
-
-  notifyUserIfEnabled({
-    userId,
-    event: createNotificationEvent({
-      provider,
-      sessionId,
-      kind: 'error',
-      code: 'run.failed',
-      meta: { error: errorMessage, sessionName },
-      severity: 'error',
-      dedupeKey: `${provider}:run:error:${sessionId || 'none'}:${errorMessage}`
-    })
-  });
-}
-
 export {
+  buildNotificationPayload,
  createNotificationEvent,
  notifyUserIfEnabled,
  notifyRunStopped,
-  notifyRunFailed
-};
+  notifyRunFailed,
+} from '../modules/notifications/services/notification-orchestrator.service.js';
--- a/server/services/tests/notification-orchestrator.test.js
+++ b/server/services/tests/notification-orchestrator.test.js
@@ -13,9 +13,9 @@ import {
  pushSubscriptionsDb,
  sessionsDb,
  userDb,
-} from '../modules/database/index.js';
+} from '../../modules/database/index.js';

-import { notifyRunStopped } from './notification-orchestrator.js';
+import { notifyRunStopped } from '../notification-orchestrator.js';

 async function withIsolatedDatabase(runTest) {
  const previousDatabasePath = process.env.DATABASE_PATH;
--- a/server/shared/interfaces.ts
+++ b/server/shared/interfaces.ts
@@ -13,6 +13,7 @@ import type {
  ProviderMcpServer,
  ProviderSessionActiveModelChange,
  ProviderSkillCreateInput,
+  ProviderSkillRemoveInput,
  UpsertProviderMcpServerInput,
 } from '@/shared/types.js';

@@ -111,6 +112,10 @@ export interface IProviderSkills {
   * records that were written.
   */
  addSkills(input: ProviderSkillCreateInput): Promise<ProviderSkill[]>;
+
+  removeSkill(
+    input: ProviderSkillRemoveInput,
+  ): Promise<{ removed: boolean; provider: LLMProvider; directoryName: string }>;
 }

 // ---------------------------
--- a/server/shared/types.ts
+++ b/server/shared/types.ts
@@ -361,6 +361,10 @@ export type ProviderSkillCreateInput = {
  entries: ProviderSkillCreateEntry[];
 };

+export type ProviderSkillRemoveInput = {
+  directoryName: string;
+};
+
 /**
 * Normalized skill record returned by provider skill adapters.
 *
--- a/src/components/settings/hooks/useSettingsController.ts
+++ b/src/components/settings/hooks/useSettingsController.ts
@@ -110,6 +110,7 @@ const createDefaultNotificationPreferences = (): NotificationPreferencesState =>
  channels: {
    inApp: true,
    webPush: false,
+    desktop: false,
    sound: true,
  },
  events: {
@@ -128,6 +129,7 @@ const normalizeNotificationPreferences = (
    channels: {
      inApp: preferences?.channels?.inApp ?? defaults.channels.inApp,
      webPush: preferences?.channels?.webPush ?? defaults.channels.webPush,
+      desktop: preferences?.channels?.desktop ?? defaults.channels.desktop,
      sound: preferences?.channels?.sound ?? defaults.channels.sound,
    },
    events: {
--- a/src/components/settings/types/types.ts
+++ b/src/components/settings/types/types.ts
@@ -30,6 +30,7 @@ export type NotificationPreferencesState = {
  channels: {
    inApp: boolean;
    webPush: boolean;
+    desktop: boolean;
    sound: boolean;
  };
  events: {
--- a/src/components/settings/view/Settings.tsx
+++ b/src/components/settings/view/Settings.tsx
@@ -1,3 +1,4 @@
+import { useEffect, useMemo, useState } from 'react';
 import { X } from 'lucide-react';
 import { useTranslation } from 'react-i18next';

@@ -18,8 +19,22 @@ import { useSettingsController } from '../hooks/useSettingsController';
 import { useWebPush } from '../../../hooks/useWebPush';
 import type { SettingsProps } from '../types/types';

+type DesktopNotificationsState = {
+  enabled: boolean;
+  supported: boolean;
+  connectedCount?: number;
+  targetCount?: number;
+  lastError?: string | null;
+};
+
 function Settings({ isOpen, onClose, projects = [], initialTab = 'agents' }: SettingsProps) {
  const { t } = useTranslation('settings');
+  const desktopNotificationsBridge = useMemo(() => (
+    typeof window === 'undefined'
+      ? null
+      : ((window as any).cloudcliDesktopNotifications || null)
+  ), []);
+  const [desktopNotificationsState, setDesktopNotificationsState] = useState<DesktopNotificationsState | null>(null);
  const {
    activeTab,
    setActiveTab,
@@ -75,6 +90,45 @@ function Settings({ isOpen, onClose, projects = [], initialTab = 'agents' }: Set
    });
  };

+  useEffect(() => {
+    if (!desktopNotificationsBridge) return undefined;
+    let mounted = true;
+    desktopNotificationsBridge.getState().then((state: any) => {
+      if (mounted) {
+        setDesktopNotificationsState(state?.desktopNotifications || null);
+      }
+    }).catch(() => {});
+    const unsubscribe = desktopNotificationsBridge.onStateUpdated?.((state: any) => {
+      if (mounted) {
+        setDesktopNotificationsState(state?.desktopNotifications || null);
+      }
+    });
+    return () => {
+      mounted = false;
+      unsubscribe?.();
+    };
+  }, [desktopNotificationsBridge]);
+
+  const handleEnableDesktopNotifications = async () => {
+    if (!desktopNotificationsBridge) return;
+    const state = await desktopNotificationsBridge.update({ enabled: true });
+    setDesktopNotificationsState(state?.desktopNotifications || null);
+    setNotificationPreferences({
+      ...notificationPreferences,
+      channels: { ...notificationPreferences.channels, desktop: true },
+    });
+  };
+
+  const handleDisableDesktopNotifications = async () => {
+    if (!desktopNotificationsBridge) return;
+    const state = await desktopNotificationsBridge.update({ enabled: false });
+    setDesktopNotificationsState(state?.desktopNotifications || null);
+    setNotificationPreferences({
+      ...notificationPreferences,
+      channels: { ...notificationPreferences.channels, desktop: false },
+    });
+  };
+
  if (!isOpen) {
    return null;
  }
@@ -155,6 +209,10 @@ function Settings({ isOpen, onClose, projects = [], initialTab = 'agents' }: Set
                  isPushLoading={isPushLoading}
                  onEnablePush={handleEnablePush}
                  onDisablePush={handleDisablePush}
+                  isDesktop={Boolean(desktopNotificationsBridge)}
+                  desktopNotifications={desktopNotificationsState}
+                  onEnableDesktopNotifications={handleEnableDesktopNotifications}
+                  onDisableDesktopNotifications={handleDisableDesktopNotifications}
                />
              )}

--- a/src/components/settings/view/tabs/NotificationsSettingsTab.tsx
+++ b/src/components/settings/view/tabs/NotificationsSettingsTab.tsx
@@ -13,6 +13,16 @@ type NotificationsSettingsTabProps = {
  isPushLoading: boolean;
  onEnablePush: () => void;
  onDisablePush: () => void;
+  isDesktop?: boolean;
+  desktopNotifications?: {
+    enabled: boolean;
+    supported: boolean;
+    connectedCount?: number;
+    targetCount?: number;
+    lastError?: string | null;
+  } | null;
+  onEnableDesktopNotifications?: () => void;
+  onDisableDesktopNotifications?: () => void;
 };

 export default function NotificationsSettingsTab({
@@ -23,6 +33,10 @@ export default function NotificationsSettingsTab({
  isPushLoading,
  onEnablePush,
  onDisablePush,
+  isDesktop = false,
+  desktopNotifications = null,
+  onEnableDesktopNotifications,
+  onDisableDesktopNotifications,
 }: NotificationsSettingsTabProps) {
  const { t } = useTranslation('settings');

@@ -33,57 +47,107 @@ export default function NotificationsSettingsTab({
    <div className="space-y-6 md:space-y-8">
      <div className="space-y-4">
        <div className="flex items-center gap-3">
-          <Bell className="w-5 h-5 text-blue-600" />
+          <Bell className="h-5 w-5 text-blue-600" />
          <h3 className="text-lg font-medium text-foreground">{t('notifications.title')}</h3>
        </div>
        <p className="text-sm text-muted-foreground">{t('notifications.description')}</p>
      </div>

-      <div className="space-y-4 bg-card border border-border rounded-lg p-4">
-        <h4 className="font-medium text-foreground">{t('notifications.webPush.title')}</h4>
-        {!pushSupported ? (
-          <p className="text-sm text-muted-foreground">{t('notifications.webPush.unsupported')}</p>
-        ) : pushDenied ? (
-          <p className="text-sm text-muted-foreground">{t('notifications.webPush.denied')}</p>
-        ) : (
-          <div className="flex items-center gap-3">
-            <button
-              type="button"
-              disabled={isPushLoading}
-              onClick={() => {
-                if (isPushSubscribed) {
-                  onDisablePush();
-                } else {
-                  onEnablePush();
-                }
-              }}
-              className={`inline-flex items-center gap-2 px-4 py-2 text-sm font-medium rounded-md transition-colors disabled:opacity-50 disabled:cursor-not-allowed ${
-                isPushSubscribed
-                  ? 'bg-red-100 text-red-700 hover:bg-red-200 dark:bg-red-900/30 dark:text-red-400 dark:hover:bg-red-900/50'
-                  : 'bg-blue-600 text-white hover:bg-blue-700 dark:bg-blue-500 dark:hover:bg-blue-600'
-              }`}
-            >
-              {isPushLoading ? (
-                <Loader2 className="w-4 h-4 animate-spin" />
-              ) : isPushSubscribed ? (
-                <BellOff className="w-4 h-4" />
-              ) : (
-                <BellRing className="w-4 h-4" />
+      {isDesktop ? (
+        <div className="space-y-4 rounded-lg border border-border bg-card p-4">
+          <h4 className="font-medium text-foreground">
+            {t('notifications.desktop.title', { defaultValue: 'Notify this desktop app' })}
+          </h4>
+          {desktopNotifications?.supported === false ? (
+            <p className="text-sm text-muted-foreground">
+              {t('notifications.desktop.unsupported', { defaultValue: 'Desktop notifications are not supported on this system.' })}
+            </p>
+          ) : (
+            <div className="space-y-2">
+              <div className="flex items-center gap-3">
+                <button
+                  type="button"
+                  onClick={() => {
+                    if (desktopNotifications?.enabled) {
+                      onDisableDesktopNotifications?.();
+                    } else {
+                      onEnableDesktopNotifications?.();
+                    }
+                  }}
+                  className={`inline-flex items-center gap-2 rounded-md px-4 py-2 text-sm font-medium transition-colors ${
+                    desktopNotifications?.enabled
+                      ? 'bg-red-100 text-red-700 hover:bg-red-200 dark:bg-red-900/30 dark:text-red-400 dark:hover:bg-red-900/50'
+                      : 'bg-blue-600 text-white hover:bg-blue-700 dark:bg-blue-500 dark:hover:bg-blue-600'
+                  }`}
+                >
+                  {desktopNotifications?.enabled ? (
+                    <BellOff className="h-4 w-4" />
+                  ) : (
+                    <BellRing className="h-4 w-4" />
+                  )}
+                  {desktopNotifications?.enabled
+                    ? t('notifications.desktop.disable', { defaultValue: 'Disable desktop notifications' })
+                    : t('notifications.desktop.enable', { defaultValue: 'Enable desktop notifications' })}
+                </button>
+                {desktopNotifications?.enabled && (
+                  <span className="text-sm text-green-600 dark:text-green-400">
+                    {t('notifications.desktop.enabled', { defaultValue: 'Desktop notifications are enabled' })}
+                  </span>
+                )}
+              </div>
+              {desktopNotifications?.lastError && (
+                <p className="text-sm text-red-600 dark:text-red-400">{desktopNotifications.lastError}</p>
              )}
-              {isPushLoading
-                ? t('notifications.webPush.loading')
-                : isPushSubscribed
-                  ? t('notifications.webPush.disable')
-                  : t('notifications.webPush.enable')}
-            </button>
-            {isPushSubscribed && (
-              <span className="text-sm text-green-600 dark:text-green-400">
-                {t('notifications.webPush.enabled')}
-              </span>
-            )}
-          </div>
-        )}
-      </div>
+            </div>
+          )}
+        </div>
+      ) : (
+        <div className="space-y-4 rounded-lg border border-border bg-card p-4">
+          <h4 className="font-medium text-foreground">{t('notifications.webPush.title')}</h4>
+          {!pushSupported ? (
+            <p className="text-sm text-muted-foreground">{t('notifications.webPush.unsupported')}</p>
+          ) : pushDenied ? (
+            <p className="text-sm text-muted-foreground">{t('notifications.webPush.denied')}</p>
+          ) : (
+            <div className="flex items-center gap-3">
+              <button
+                type="button"
+                disabled={isPushLoading}
+                onClick={() => {
+                  if (isPushSubscribed) {
+                    onDisablePush();
+                  } else {
+                    onEnablePush();
+                  }
+                }}
+                className={`inline-flex items-center gap-2 rounded-md px-4 py-2 text-sm font-medium transition-colors disabled:cursor-not-allowed disabled:opacity-50 ${
+                  isPushSubscribed
+                    ? 'bg-red-100 text-red-700 hover:bg-red-200 dark:bg-red-900/30 dark:text-red-400 dark:hover:bg-red-900/50'
+                    : 'bg-blue-600 text-white hover:bg-blue-700 dark:bg-blue-500 dark:hover:bg-blue-600'
+                }`}
+              >
+                {isPushLoading ? (
+                  <Loader2 className="h-4 w-4 animate-spin" />
+                ) : isPushSubscribed ? (
+                  <BellOff className="h-4 w-4" />
+                ) : (
+                  <BellRing className="h-4 w-4" />
+                )}
+                {isPushLoading
+                  ? t('notifications.webPush.loading')
+                  : isPushSubscribed
+                    ? t('notifications.webPush.disable')
+                    : t('notifications.webPush.enable')}
+              </button>
+              {isPushSubscribed && (
+                <span className="text-sm text-green-600 dark:text-green-400">
+                  {t('notifications.webPush.enabled')}
+                </span>
+              )}
+            </div>
+          )}
+        </div>
+      )}

      <div className="space-y-4 rounded-lg border border-border bg-card p-4">
        <div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
@@ -133,7 +197,7 @@ export default function NotificationsSettingsTab({
        </Button>
      </div>

-      <div className="space-y-4 bg-card border border-border rounded-lg p-4">
+      <div className="space-y-4 rounded-lg border border-border bg-card p-4">
        <h4 className="font-medium text-foreground">{t('notifications.events.title')}</h4>
        <div className="space-y-3">
          <label className="flex items-center gap-2 text-sm text-foreground">
@@ -149,7 +213,7 @@ export default function NotificationsSettingsTab({
                  },
                })
              }
-              className="w-4 h-4"
+              className="h-4 w-4"
            />
            {t('notifications.events.actionRequired')}
          </label>
@@ -167,7 +231,7 @@ export default function NotificationsSettingsTab({
                  },
                })
              }
-              className="w-4 h-4"
+              className="h-4 w-4"
            />
            {t('notifications.events.stop')}
          </label>
@@ -185,7 +249,7 @@ export default function NotificationsSettingsTab({
                  },
                })
              }
-              className="w-4 h-4"
+              className="h-4 w-4"
            />
            {t('notifications.events.error')}
          </label>
--- a/src/hooks/useWebPush.ts
+++ b/src/hooks/useWebPush.ts
@@ -1,4 +1,5 @@
 import { useCallback, useEffect, useState } from 'react';
+
 import { authenticatedFetch } from '../utils/api';

 type WebPushState = {
@@ -22,7 +23,12 @@ function urlBase64ToUint8Array(base64String: string): Uint8Array {

 export function useWebPush(): WebPushState {
  const [permission, setPermission] = useState<NotificationPermission | 'unsupported'>(() => {
-    if (typeof window === 'undefined' || !('Notification' in window) || !('serviceWorker' in navigator)) {
+    if (
+      typeof window === 'undefined'
+      || Boolean((window as any).cloudcliDesktopNotifications)
+      || !('Notification' in window)
+      || !('serviceWorker' in navigator)
+    ) {
      return 'unsupported';
    }
    return Notification.permission;
--- a/src/i18n/locales/en/settings.json
+++ b/src/i18n/locales/en/settings.json
@@ -105,14 +105,21 @@
    "title": "Notifications",
    "description": "Control which notification events you receive.",
    "webPush": {
-      "title": "Web Push Notifications",
-      "enable": "Enable Push Notifications",
-      "disable": "Disable Push Notifications",
-      "enabled": "Push notifications are enabled",
+      "title": "Notify this browser",
+      "enable": "Enable notifications",
+      "disable": "Disable notifications",
+      "enabled": "Notifications are enabled for this browser",
      "loading": "Updating...",
      "unsupported": "Push notifications are not supported in this browser.",
      "denied": "Push notifications are blocked. Please allow them in your browser settings."
    },
+    "desktop": {
+      "title": "Notify this desktop app",
+      "enable": "Enable notifications",
+      "disable": "Disable notifications",
+      "enabled": "Notifications are enabled for this desktop app",
+      "unsupported": "Desktop notifications are not supported on this system."
+    },
    "sound": {
      "title": "Sound",
      "description": "Play a short tone when a chat run finishes or needs tool approval.",