fix: multiple bug fixes

isolated users, db backup, weird disconnect issues for long voice sessions,

e2e/pages/login.page.ts

@@ -1,6 +1,7 @@
 import { type Page, type Locator } from '@playwright/test';
 
 export class LoginPage {
+  readonly form: Locator;
   readonly usernameInput: Locator;
   readonly passwordInput: Locator;
   readonly serverSelect: Locator;
@@ -9,12 +10,13 @@ export class LoginPage {
   readonly registerLink: Locator;
 
   constructor(private page: Page) {
+    this.form = page.locator('#login-username').locator('xpath=ancestor::div[contains(@class, "space-y-3")]').first();
     this.usernameInput = page.locator('#login-username');
     this.passwordInput = page.locator('#login-password');
     this.serverSelect = page.locator('#login-server');
-    this.submitButton = page.getByRole('button', { name: 'Login' });
+    this.submitButton = this.form.getByRole('button', { name: 'Login' });
     this.errorText = page.locator('.text-destructive');
-    this.registerLink = page.getByRole('button', { name: 'Register' });
+    this.registerLink = this.form.getByRole('button', { name: 'Register' });
   }
 
   async goto() {

e2e/pages/register.page.ts

@@ -43,8 +43,11 @@ export class RegisterPage {
 
   async register(username: string, displayName: string, password: string) {
     await this.usernameInput.fill(username);
+    await expect(this.usernameInput).toHaveValue(username);
     await this.displayNameInput.fill(displayName);
+    await expect(this.displayNameInput).toHaveValue(displayName);
     await this.passwordInput.fill(password);
+    await expect(this.passwordInput).toHaveValue(password);
     await this.submitButton.click();
   }
 }

e2e/tests/auth/user-session-data-isolation.spec.ts

@@ -0,0 +1,269 @@
+import { mkdtemp, rm } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import {
+  chromium,
+  type BrowserContext,
+  type Page
+} from '@playwright/test';
+import { test, expect } from '../../fixtures/multi-client';
+import { installTestServerEndpoint } from '../../helpers/seed-test-endpoint';
+import { ChatMessagesPage } from '../../pages/chat-messages.page';
+import { LoginPage } from '../../pages/login.page';
+import { RegisterPage } from '../../pages/register.page';
+import { ServerSearchPage } from '../../pages/server-search.page';
+
+interface TestUser {
+  username: string;
+  displayName: string;
+  password: string;
+}
+
+interface PersistentClient {
+  context: BrowserContext;
+  page: Page;
+  userDataDir: string;
+}
+
+const CLIENT_LAUNCH_ARGS = [
+  '--use-fake-device-for-media-stream',
+  '--use-fake-ui-for-media-stream'
+];
+
+test.describe('User session data isolation', () => {
+  test.describe.configure({ timeout: 240_000 });
+
+  test('preserves a user saved rooms and local history across app restarts', async ({ testServer }) => {
+    const suffix = uniqueName('persist');
+    const userDataDir = await mkdtemp(join(tmpdir(), 'metoyou-auth-persist-'));
+    const alice: TestUser = {
+      username: `alice_${suffix}`,
+      displayName: 'Alice',
+      password: 'TestPass123!'
+    };
+    const aliceServerName = `Alice Session Server ${suffix}`;
+    const aliceMessage = `Alice persisted message ${suffix}`;
+    let client: PersistentClient | null = null;
+
+    try {
+      client = await launchPersistentClient(userDataDir, testServer.port);
+
+      await test.step('Alice registers and creates local chat history', async () => {
+        await registerUser(client.page, alice);
+        await createServerAndSendMessage(client.page, aliceServerName, aliceMessage);
+      });
+
+      await test.step('Alice sees the same saved room and message after a full restart', async () => {
+        await restartPersistentClient(client, testServer.port);
+        await openApp(client.page);
+        await expect(client.page).not.toHaveURL(/\/login/, { timeout: 15_000 });
+        await expectSavedRoomAndHistory(client.page, aliceServerName, aliceMessage);
+      });
+    } finally {
+      await closePersistentClient(client);
+      await rm(userDataDir, { recursive: true, force: true });
+    }
+  });
+
+  test('gives a new user a blank slate and restores only that user local data after account switches', async ({ testServer }) => {
+    const suffix = uniqueName('isolation');
+    const userDataDir = await mkdtemp(join(tmpdir(), 'metoyou-auth-isolation-'));
+    const alice: TestUser = {
+      username: `alice_${suffix}`,
+      displayName: 'Alice',
+      password: 'TestPass123!'
+    };
+    const bob: TestUser = {
+      username: `bob_${suffix}`,
+      displayName: 'Bob',
+      password: 'TestPass123!'
+    };
+    const aliceServerName = `Alice Private Server ${suffix}`;
+    const bobServerName = `Bob Private Server ${suffix}`;
+    const aliceMessage = `Alice history ${suffix}`;
+    const bobMessage = `Bob history ${suffix}`;
+    let client: PersistentClient | null = null;
+
+    try {
+      client = await launchPersistentClient(userDataDir, testServer.port);
+
+      await test.step('Alice creates persisted local data and verifies it survives a restart', async () => {
+        await registerUser(client.page, alice);
+        await createServerAndSendMessage(client.page, aliceServerName, aliceMessage);
+
+        await restartPersistentClient(client, testServer.port);
+        await openApp(client.page);
+        await expectSavedRoomAndHistory(client.page, aliceServerName, aliceMessage);
+      });
+
+      await test.step('Bob starts from a blank slate in the same browser profile', async () => {
+        await logoutUser(client.page);
+        await registerUser(client.page, bob);
+        await expectBlankSlate(client.page, [aliceServerName]);
+      });
+
+      await test.step('Bob gets only his own saved room and history after a restart', async () => {
+        await createServerAndSendMessage(client.page, bobServerName, bobMessage);
+
+        await restartPersistentClient(client, testServer.port);
+        await openApp(client.page);
+        await expectSavedRoomAndHistory(client.page, bobServerName, bobMessage);
+        await expectSavedRoomHidden(client.page, aliceServerName);
+      });
+
+      await test.step('When Alice logs back in she sees only Alice local data, not Bob data', async () => {
+        await logoutUser(client.page);
+        await restartPersistentClient(client, testServer.port);
+        await loginUser(client.page, alice);
+
+        await expectSavedRoomVisible(client.page, aliceServerName);
+        await expectSavedRoomHidden(client.page, bobServerName);
+        await expectSavedRoomAndHistory(client.page, aliceServerName, aliceMessage);
+      });
+    } finally {
+      await closePersistentClient(client);
+      await rm(userDataDir, { recursive: true, force: true });
+    }
+  });
+});
+
+async function launchPersistentClient(userDataDir: string, testServerPort: number): Promise<PersistentClient> {
+  const context = await chromium.launchPersistentContext(userDataDir, {
+    args: CLIENT_LAUNCH_ARGS,
+    baseURL: 'http://localhost:4200',
+    permissions: ['microphone', 'camera']
+  });
+
+  await installTestServerEndpoint(context, testServerPort);
+
+  const page = context.pages()[0] ?? await context.newPage();
+
+  return {
+    context,
+    page,
+    userDataDir
+  };
+}
+
+async function restartPersistentClient(client: PersistentClient, testServerPort: number): Promise<void> {
+  await client.context.close();
+
+  const restartedClient = await launchPersistentClient(client.userDataDir, testServerPort);
+
+  client.context = restartedClient.context;
+  client.page = restartedClient.page;
+}
+
+async function closePersistentClient(client: PersistentClient | null): Promise<void> {
+  if (!client) {
+    return;
+  }
+
+  await client.context.close().catch(() => {});
+}
+
+async function openApp(page: Page): Promise<void> {
+  await retryTransientNavigation(() => page.goto('/', { waitUntil: 'domcontentloaded' }));
+}
+
+async function registerUser(page: Page, user: TestUser): Promise<void> {
+  const registerPage = new RegisterPage(page);
+
+  await retryTransientNavigation(() => registerPage.goto());
+  await registerPage.register(user.username, user.displayName, user.password);
+  await expect(page).toHaveURL(/\/search/, { timeout: 15_000 });
+}
+
+async function loginUser(page: Page, user: TestUser): Promise<void> {
+  const loginPage = new LoginPage(page);
+
+  await retryTransientNavigation(() => loginPage.goto());
+  await loginPage.login(user.username, user.password);
+  await expect(page).toHaveURL(/\/(search|room)(\/|$)/, { timeout: 15_000 });
+}
+
+async function logoutUser(page: Page): Promise<void> {
+  const menuButton = page.getByRole('button', { name: 'Menu' });
+  const logoutButton = page.getByRole('button', { name: 'Logout' });
+  const loginPage = new LoginPage(page);
+
+  await expect(menuButton).toBeVisible({ timeout: 10_000 });
+  await menuButton.click();
+  await expect(logoutButton).toBeVisible({ timeout: 10_000 });
+  await logoutButton.click();
+  await expect(page).toHaveURL(/\/login/, { timeout: 15_000 });
+  await expect(loginPage.usernameInput).toBeVisible({ timeout: 10_000 });
+}
+
+async function createServerAndSendMessage(page: Page, serverName: string, messageText: string): Promise<void> {
+  const searchPage = new ServerSearchPage(page);
+  const messagesPage = new ChatMessagesPage(page);
+
+  await searchPage.createServer(serverName, {
+    description: `User session isolation coverage for ${serverName}`
+  });
+  await expect(page).toHaveURL(/\/room\//, { timeout: 15_000 });
+
+  await messagesPage.sendMessage(messageText);
+  await expect(messagesPage.getMessageItemByText(messageText)).toBeVisible({ timeout: 20_000 });
+}
+
+async function expectSavedRoomAndHistory(page: Page, roomName: string, messageText: string): Promise<void> {
+  const roomButton = getSavedRoomButton(page, roomName);
+  const messagesPage = new ChatMessagesPage(page);
+
+  await expect(roomButton).toBeVisible({ timeout: 20_000 });
+  await roomButton.click();
+  await expect(page).toHaveURL(/\/room\//, { timeout: 20_000 });
+  await expect(messagesPage.getMessageItemByText(messageText)).toBeVisible({ timeout: 20_000 });
+}
+
+async function expectBlankSlate(page: Page, hiddenRoomNames: string[]): Promise<void> {
+  const searchPage = new ServerSearchPage(page);
+
+  await expect(page).toHaveURL(/\/search/, { timeout: 15_000 });
+  await expect(searchPage.createServerButton).toBeVisible({ timeout: 15_000 });
+
+  for (const roomName of hiddenRoomNames) {
+    await expectSavedRoomHidden(page, roomName);
+  }
+}
+
+async function expectSavedRoomVisible(page: Page, roomName: string): Promise<void> {
+  await expect(getSavedRoomButton(page, roomName)).toBeVisible({ timeout: 20_000 });
+}
+
+async function expectSavedRoomHidden(page: Page, roomName: string): Promise<void> {
+  await expect(getSavedRoomButton(page, roomName)).toHaveCount(0);
+}
+
+function getSavedRoomButton(page: Page, roomName: string) {
+  return page.locator(`button[title="${roomName}"]`).first();
+}
+
+async function retryTransientNavigation<T>(navigate: () => Promise<T>, attempts = 4): Promise<T> {
+  let lastError: unknown;
+
+  for (let attempt = 1; attempt <= attempts; attempt += 1) {
+    try {
+      return await navigate();
+    } catch (error) {
+      lastError = error;
+
+      const message = error instanceof Error ? error.message : String(error);
+      const isTransientNavigationError = message.includes('ERR_EMPTY_RESPONSE') || message.includes('ERR_CONNECTION_RESET');
+
+      if (!isTransientNavigationError || attempt === attempts) {
+        throw error;
+      }
+    }
+  }
+
+  throw lastError instanceof Error
+    ? lastError
+    : new Error(`Navigation failed after ${attempts} attempts`);
+}
+
+function uniqueName(prefix: string): string {
+  return `${prefix}-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 8)}`;
+}

e2e/tests/chat/chat-message-features.spec.ts

@@ -18,6 +18,81 @@ const DELETED_MESSAGE_CONTENT = '[Message deleted]';
 test.describe('Chat messaging features', () => {
   test.describe.configure({ timeout: 180_000 });
 
+  test('shows per-server channel lists on first saved-server click', async ({ createClient }) => {
+    const scenario = await createSingleClientChatScenario(createClient);
+    const alphaServerName = `Alpha Server ${uniqueName('rail')}`;
+    const betaServerName = `Beta Server ${uniqueName('rail')}`;
+    const alphaChannelName = uniqueName('alpha-updates');
+    const betaChannelName = uniqueName('beta-plans');
+    const channelsPanel = scenario.room.channelsSidePanel;
+
+    await test.step('Create first saved server with a unique text channel', async () => {
+      await createServerAndOpenRoom(scenario.search, scenario.client.page, alphaServerName, 'Rail switch alpha server');
+      await scenario.room.ensureTextChannelExists(alphaChannelName);
+      await expect(
+        channelsPanel.locator(`button[data-channel-type="text"][data-channel-name="${alphaChannelName}"]`)
+      ).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Create second saved server with a different text channel', async () => {
+      await createServerAndOpenRoom(scenario.search, scenario.client.page, betaServerName, 'Rail switch beta server');
+      await scenario.room.ensureTextChannelExists(betaChannelName);
+      await expect(
+        channelsPanel.locator(`button[data-channel-type="text"][data-channel-name="${betaChannelName}"]`)
+      ).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Opening first server once restores only its channels', async () => {
+      await openSavedRoomByName(scenario.client.page, alphaServerName);
+      await expect(
+        channelsPanel.locator(`button[data-channel-type="text"][data-channel-name="${alphaChannelName}"]`)
+      ).toBeVisible({ timeout: 20_000 });
+      await expect(
+        channelsPanel.locator(`button[data-channel-type="text"][data-channel-name="${betaChannelName}"]`)
+      ).toHaveCount(0);
+    });
+
+    await test.step('Opening second server once restores only its channels', async () => {
+      await openSavedRoomByName(scenario.client.page, betaServerName);
+      await expect(
+        channelsPanel.locator(`button[data-channel-type="text"][data-channel-name="${betaChannelName}"]`)
+      ).toBeVisible({ timeout: 20_000 });
+      await expect(
+        channelsPanel.locator(`button[data-channel-type="text"][data-channel-name="${alphaChannelName}"]`)
+      ).toHaveCount(0);
+    });
+  });
+
+  test('shows local room history on first saved-server click', async ({ createClient }) => {
+    const scenario = await createSingleClientChatScenario(createClient);
+    const alphaServerName = `History Alpha ${uniqueName('rail')}`;
+    const betaServerName = `History Beta ${uniqueName('rail')}`;
+    const alphaMessage = `Alpha history message ${uniqueName('msg')}`;
+    const betaMessage = `Beta history message ${uniqueName('msg')}`;
+
+    await test.step('Create first server and send a local message', async () => {
+      await createServerAndOpenRoom(scenario.search, scenario.client.page, alphaServerName, 'Rail history alpha server');
+      await scenario.messages.sendMessage(alphaMessage);
+      await expect(scenario.messages.getMessageItemByText(alphaMessage)).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Create second server and send a different local message', async () => {
+      await createServerAndOpenRoom(scenario.search, scenario.client.page, betaServerName, 'Rail history beta server');
+      await scenario.messages.sendMessage(betaMessage);
+      await expect(scenario.messages.getMessageItemByText(betaMessage)).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Opening first server once restores its history immediately', async () => {
+      await openSavedRoomByName(scenario.client.page, alphaServerName);
+      await expect(scenario.messages.getMessageItemByText(alphaMessage)).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Opening second server once restores its history immediately', async () => {
+      await openSavedRoomByName(scenario.client.page, betaServerName);
+      await expect(scenario.messages.getMessageItemByText(betaMessage)).toBeVisible({ timeout: 20_000 });
+    });
+  });
+
   test('syncs messages in a newly created text channel', async ({ createClient }) => {
     const scenario = await createChatScenario(createClient);
     const channelName = uniqueName('updates');
@@ -143,6 +218,43 @@ interface ChatScenario {
   bobMessages: ChatMessagesPage;
 }
 
+interface SingleClientChatScenario {
+  client: Client;
+  messages: ChatMessagesPage;
+  room: ChatRoomPage;
+  search: ServerSearchPage;
+}
+
+async function createSingleClientChatScenario(createClient: () => Promise<Client>): Promise<SingleClientChatScenario> {
+  const suffix = uniqueName('solo');
+  const client = await createClient();
+  const credentials = {
+    username: `solo_${suffix}`,
+    displayName: 'Solo',
+    password: 'TestPass123!'
+  };
+
+  await installChatFeatureMocks(client.page);
+
+  const registerPage = new RegisterPage(client.page);
+
+  await registerPage.goto();
+  await registerPage.register(
+    credentials.username,
+    credentials.displayName,
+    credentials.password
+  );
+
+  await expect(client.page).toHaveURL(/\/search/, { timeout: 15_000 });
+
+  return {
+    client,
+    messages: new ChatMessagesPage(client.page),
+    room: new ChatRoomPage(client.page),
+    search: new ServerSearchPage(client.page)
+  };
+}
+
 async function createChatScenario(createClient: () => Promise<Client>): Promise<ChatScenario> {
   const suffix = uniqueName('chat');
   const serverName = `Chat Server ${suffix}`;
@@ -217,6 +329,52 @@ async function createChatScenario(createClient: () => Promise<Client>): Promise<
   };
 }
 
+async function createServerAndOpenRoom(
+  searchPage: ServerSearchPage,
+  page: Page,
+  serverName: string,
+  description: string
+): Promise<void> {
+  await searchPage.createServer(serverName, { description });
+  await expect(page).toHaveURL(/\/room\//, { timeout: 15_000 });
+  await waitForCurrentRoomName(page, serverName);
+}
+
+async function openSavedRoomByName(page: Page, roomName: string): Promise<void> {
+  const roomButton = page.locator(`button[title="${roomName}"]`);
+
+  await expect(roomButton).toBeVisible({ timeout: 20_000 });
+  await roomButton.click();
+  await expect(page).toHaveURL(/\/room\//, { timeout: 20_000 });
+  await expect(page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 20_000 });
+  await waitForCurrentRoomName(page, roomName);
+}
+
+async function waitForCurrentRoomName(page: Page, roomName: string, timeout = 20_000): Promise<void> {
+  await page.waitForFunction(
+    (expectedRoomName) => {
+      interface RoomShape { name?: string }
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+
+      return currentRoom?.name === expectedRoomName;
+    },
+    roomName,
+    { timeout }
+  );
+}
+
 async function installChatFeatureMocks(page: Page): Promise<void> {
   await page.route('**/api/klipy/config', async (route) => {
     await route.fulfill({

e2e/tests/chat/notifications.spec.ts

@@ -0,0 +1,264 @@
+import {
+  expect,
+  type Locator,
+  type Page
+} from '@playwright/test';
+import {
+  test,
+  type Client
+} from '../../fixtures/multi-client';
+import { RegisterPage } from '../../pages/register.page';
+import { ServerSearchPage } from '../../pages/server-search.page';
+import { ChatRoomPage } from '../../pages/chat-room.page';
+import { ChatMessagesPage } from '../../pages/chat-messages.page';
+
+interface DesktopNotificationRecord {
+  title: string;
+  body: string;
+}
+
+interface NotificationScenario {
+  alice: Client;
+  bob: Client;
+  aliceRoom: ChatRoomPage;
+  bobRoom: ChatRoomPage;
+  bobMessages: ChatMessagesPage;
+  serverName: string;
+  channelName: string;
+}
+
+test.describe('Chat notifications', () => {
+  test.describe.configure({ timeout: 180_000 });
+
+  test('shows desktop notifications and unread badges for inactive channels', async ({ createClient }) => {
+    const scenario = await createNotificationScenario(createClient);
+    const message = `Background notification ${uniqueName('msg')}`;
+
+    await test.step('Bob sends a message to Alice\'s inactive channel', async () => {
+      await clearDesktopNotifications(scenario.alice.page);
+      await scenario.bobRoom.joinTextChannel(scenario.channelName);
+      await scenario.bobMessages.sendMessage(message);
+    });
+
+    await test.step('Alice receives a desktop notification with the channel preview', async () => {
+      const notification = await waitForDesktopNotification(scenario.alice.page);
+
+      expect(notification).toEqual({
+        title: `${scenario.serverName} · #${scenario.channelName}`,
+        body: `Bob: ${message}`
+      });
+    });
+
+    await test.step('Alice sees unread badges for the room and the inactive channel', async () => {
+      await expect(getUnreadBadge(getSavedRoomButton(scenario.alice.page, scenario.serverName))).toHaveText('1', { timeout: 20_000 });
+      await expect(getUnreadBadge(getTextChannelButton(scenario.alice.page, scenario.channelName))).toHaveText('1', { timeout: 20_000 });
+    });
+  });
+
+  test('keeps unread badges visible when a muted channel suppresses desktop popups', async ({ createClient }) => {
+    const scenario = await createNotificationScenario(createClient);
+    const message = `Muted notification ${uniqueName('msg')}`;
+
+    await test.step('Alice mutes the inactive text channel', async () => {
+      await muteTextChannel(scenario.alice.page, scenario.channelName);
+      await clearDesktopNotifications(scenario.alice.page);
+    });
+
+    await test.step('Bob sends a message into the muted channel', async () => {
+      await scenario.bobRoom.joinTextChannel(scenario.channelName);
+      await scenario.bobMessages.sendMessage(message);
+    });
+
+    await test.step('Alice still sees unread badges for the room and channel', async () => {
+      await expect(getUnreadBadge(getSavedRoomButton(scenario.alice.page, scenario.serverName))).toHaveText('1', { timeout: 20_000 });
+      await expect(getUnreadBadge(getTextChannelButton(scenario.alice.page, scenario.channelName))).toHaveText('1', { timeout: 20_000 });
+    });
+
+    await test.step('Alice does not get a muted desktop popup', async () => {
+      const notificationAppeared = await waitForAnyDesktopNotification(scenario.alice.page, 1_500);
+
+      expect(notificationAppeared).toBe(false);
+    });
+  });
+});
+
+async function createNotificationScenario(createClient: () => Promise<Client>): Promise<NotificationScenario> {
+  const suffix = uniqueName('notify');
+  const serverName = `Notifications Server ${suffix}`;
+  const channelName = uniqueName('updates');
+  const aliceCredentials = {
+    username: `alice_${suffix}`,
+    displayName: 'Alice',
+    password: 'TestPass123!'
+  };
+  const bobCredentials = {
+    username: `bob_${suffix}`,
+    displayName: 'Bob',
+    password: 'TestPass123!'
+  };
+  const alice = await createClient();
+  const bob = await createClient();
+
+  await installDesktopNotificationSpy(alice.page);
+
+  await registerUser(alice.page, aliceCredentials.username, aliceCredentials.displayName, aliceCredentials.password);
+  await registerUser(bob.page, bobCredentials.username, bobCredentials.displayName, bobCredentials.password);
+
+  const aliceSearch = new ServerSearchPage(alice.page);
+
+  await aliceSearch.createServer(serverName, {
+    description: 'E2E notification coverage server'
+  });
+  await expect(alice.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+
+  const bobSearch = new ServerSearchPage(bob.page);
+  const serverCard = bob.page.locator('button', { hasText: serverName }).first();
+
+  await bobSearch.searchInput.fill(serverName);
+  await expect(serverCard).toBeVisible({ timeout: 15_000 });
+  await serverCard.click();
+  await expect(bob.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+
+  const aliceRoom = new ChatRoomPage(alice.page);
+  const bobRoom = new ChatRoomPage(bob.page);
+  const aliceMessages = new ChatMessagesPage(alice.page);
+  const bobMessages = new ChatMessagesPage(bob.page);
+
+  await aliceMessages.waitForReady();
+  await bobMessages.waitForReady();
+  await aliceRoom.ensureTextChannelExists(channelName);
+  await expect(getTextChannelButton(alice.page, channelName)).toBeVisible({ timeout: 20_000 });
+
+  return {
+    alice,
+    bob,
+    aliceRoom,
+    bobRoom,
+    bobMessages,
+    serverName,
+    channelName
+  };
+}
+
+async function registerUser(page: Page, username: string, displayName: string, password: string): Promise<void> {
+  const registerPage = new RegisterPage(page);
+
+  await registerPage.goto();
+  await registerPage.register(username, displayName, password);
+  await expect(page).toHaveURL(/\/search/, { timeout: 15_000 });
+}
+
+async function installDesktopNotificationSpy(page: Page): Promise<void> {
+  await page.addInitScript(() => {
+    const notifications: DesktopNotificationRecord[] = [];
+
+    class MockNotification {
+      static permission = 'granted';
+
+      static async requestPermission(): Promise<NotificationPermission> {
+        return 'granted';
+      }
+
+      onclick: (() => void) | null = null;
+
+      constructor(title: string, options?: NotificationOptions) {
+        notifications.push({
+          title,
+          body: options?.body ?? ''
+        });
+      }
+
+      close(): void {
+        return;
+      }
+    }
+
+    Object.defineProperty(window, '__desktopNotifications', {
+      value: notifications,
+      configurable: true
+    });
+
+    Object.defineProperty(window, 'Notification', {
+      value: MockNotification,
+      configurable: true,
+      writable: true
+    });
+  });
+}
+
+async function clearDesktopNotifications(page: Page): Promise<void> {
+  await page.evaluate(() => {
+    (window as WindowWithDesktopNotifications).__desktopNotifications.length = 0;
+  });
+}
+
+async function waitForDesktopNotification(page: Page): Promise<DesktopNotificationRecord> {
+  await expect.poll(
+    async () => (await readDesktopNotifications(page)).length,
+    {
+      timeout: 20_000,
+      message: 'Expected a desktop notification to be emitted'
+    }
+  ).toBeGreaterThan(0);
+
+  const notifications = await readDesktopNotifications(page);
+
+  return notifications[notifications.length - 1];
+}
+
+async function waitForAnyDesktopNotification(page: Page, timeout: number): Promise<boolean> {
+  try {
+    await page.waitForFunction(
+      () => (window as WindowWithDesktopNotifications).__desktopNotifications.length > 0,
+      undefined,
+      { timeout }
+    );
+
+    return true;
+  } catch (error) {
+    if (error instanceof Error && error.name === 'TimeoutError') {
+      return false;
+    }
+
+    throw error;
+  }
+}
+
+async function readDesktopNotifications(page: Page): Promise<DesktopNotificationRecord[]> {
+  return page.evaluate(() => {
+    return [...(window as WindowWithDesktopNotifications).__desktopNotifications];
+  });
+}
+
+async function muteTextChannel(page: Page, channelName: string): Promise<void> {
+  const channelButton = getTextChannelButton(page, channelName);
+  const contextMenu = page.locator('app-context-menu');
+
+  await expect(channelButton).toBeVisible({ timeout: 20_000 });
+  await channelButton.click({ button: 'right' });
+  await expect(contextMenu.getByRole('button', { name: 'Mute Notifications' })).toBeVisible({ timeout: 10_000 });
+  await contextMenu.getByRole('button', { name: 'Mute Notifications' }).click();
+  await expect(contextMenu).toHaveCount(0);
+}
+
+function getSavedRoomButton(page: Page, roomName: string): Locator {
+  return page.locator(`button[title="${roomName}"]`).first();
+}
+
+function getTextChannelButton(page: Page, channelName: string): Locator {
+  return page.locator('app-rooms-side-panel').first()
+    .locator(`button[data-channel-type="text"][data-channel-name="${channelName}"]`)
+    .first();
+}
+
+function getUnreadBadge(container: Locator): Locator {
+  return container.locator('span.rounded-full').first();
+}
+
+function uniqueName(prefix: string): string {
+  return `${prefix}-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+}
+
+interface WindowWithDesktopNotifications extends Window {
+  __desktopNotifications: DesktopNotificationRecord[];
+}