test: Add playwright main usage test

e2e/fixtures/base.ts

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+import { test as base } from '@playwright/test';
+
+export const test = base;
+export { expect } from '@playwright/test';

e2e/fixtures/multi-client.ts

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+import {
+  test as base,
+  chromium,
+  type Page,
+  type BrowserContext,
+  type Browser
+} from '@playwright/test';
+import { spawn, type ChildProcess } from 'node:child_process';
+import { once } from 'node:events';
+import { createServer } from 'node:net';
+import { join } from 'node:path';
+import { installTestServerEndpoint } from '../helpers/seed-test-endpoint';
+
+export interface Client {
+  page: Page;
+  context: BrowserContext;
+}
+
+interface TestServerHandle {
+  port: number;
+  url: string;
+  stop: () => Promise<void>;
+}
+
+interface MultiClientFixture {
+  createClient: () => Promise<Client>;
+  testServer: TestServerHandle;
+}
+
+const FAKE_AUDIO_FILE = join(__dirname, 'test-tone.wav');
+const CHROMIUM_FAKE_MEDIA_ARGS = [
+  '--use-fake-device-for-media-stream',
+  '--use-fake-ui-for-media-stream',
+  `--use-file-for-fake-audio-capture=${FAKE_AUDIO_FILE}`
+];
+const E2E_DIR = join(__dirname, '..');
+const START_SERVER_SCRIPT = join(E2E_DIR, 'helpers', 'start-test-server.js');
+
+export const test = base.extend<MultiClientFixture>({
+  testServer: async ({ playwright: _playwright }, use: (testServer: TestServerHandle) => Promise<void>) => {
+    const testServer = await startTestServer();
+
+    await use(testServer);
+    await testServer.stop();
+  },
+
+  createClient: async ({ testServer }, use) => {
+    const browsers: Browser[] = [];
+    const clients: Client[] = [];
+    const factory = async (): Promise<Client> => {
+      // Launch a dedicated browser per client so each gets its own fake
+      // audio device - shared browsers can starve the first context's
+      // audio capture under load.
+      const browser = await chromium.launch({ args: CHROMIUM_FAKE_MEDIA_ARGS });
+
+      browsers.push(browser);
+
+      const context = await browser.newContext({
+        permissions: ['microphone', 'camera'],
+        baseURL: 'http://localhost:4200'
+      });
+
+      await installTestServerEndpoint(context, testServer.port);
+
+      const page = await context.newPage();
+
+      clients.push({ page, context });
+      return { page, context };
+    };
+
+    await use(factory);
+
+    for (const client of clients) {
+      await client.context.close();
+    }
+
+    for (const browser of browsers) {
+      await browser.close();
+    }
+  }
+});
+
+export { expect } from '@playwright/test';
+
+async function startTestServer(retries = 3): Promise<TestServerHandle> {
+  for (let attempt = 1; attempt <= retries; attempt++) {
+    const port = await allocatePort();
+    const child = spawn(process.execPath, [START_SERVER_SCRIPT], {
+      cwd: E2E_DIR,
+      env: {
+        ...process.env,
+        TEST_SERVER_PORT: String(port)
+      },
+      stdio: 'pipe'
+    });
+
+    child.stdout?.on('data', (chunk: Buffer | string) => {
+      process.stdout.write(chunk.toString());
+    });
+
+    child.stderr?.on('data', (chunk: Buffer | string) => {
+      process.stderr.write(chunk.toString());
+    });
+
+    try {
+      await waitForServerReady(port, child);
+    } catch (error) {
+      await stopServer(child);
+
+      if (attempt < retries) {
+        console.log(`[E2E Server] Attempt ${attempt} failed, retrying...`);
+        continue;
+      }
+
+      throw error;
+    }
+
+    return {
+      port,
+      url: `http://localhost:${port}`,
+      stop: async () => {
+        await stopServer(child);
+      }
+    };
+  }
+
+  throw new Error('startTestServer: unreachable');
+}
+
+async function allocatePort(): Promise<number> {
+  return new Promise<number>((resolve, reject) => {
+    const probe = createServer();
+
+    probe.once('error', reject);
+    probe.listen(0, '127.0.0.1', () => {
+      const address = probe.address();
+
+      if (!address || typeof address === 'string') {
+        probe.close();
+        reject(new Error('Failed to resolve an ephemeral test server port'));
+        return;
+      }
+
+      const { port } = address;
+
+      probe.close((error) => {
+        if (error) {
+          reject(error);
+          return;
+        }
+
+        resolve(port);
+      });
+    });
+  });
+}
+
+async function waitForServerReady(port: number, child: ChildProcess, timeoutMs = 30_000): Promise<void> {
+  const readyUrl = `http://127.0.0.1:${port}/api/servers?limit=1`;
+  const deadline = Date.now() + timeoutMs;
+
+  while (Date.now() < deadline) {
+    if (child.exitCode !== null) {
+      throw new Error(`Test server exited before becoming ready (exit code ${child.exitCode})`);
+    }
+
+    try {
+      const response = await fetch(readyUrl);
+
+      if (response.ok) {
+        return;
+      }
+    } catch {
+      // Server still starting.
+    }
+
+    await wait(250);
+  }
+
+  throw new Error(`Timed out waiting for test server on port ${port}`);
+}
+
+async function stopServer(child: ChildProcess): Promise<void> {
+  if (child.exitCode !== null) {
+    return;
+  }
+
+  child.kill('SIGTERM');
+
+  const exited = await Promise.race([once(child, 'exit').then(() => true), wait(3_000).then(() => false)]);
+
+  if (!exited && child.exitCode === null) {
+    child.kill('SIGKILL');
+    await once(child, 'exit');
+  }
+}
+
+function wait(durationMs: number): Promise<void> {
+  return new Promise((resolve) => {
+    setTimeout(resolve, durationMs);
+  });
+}

e2e/helpers/seed-test-endpoint.ts

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+import { type BrowserContext, type Page } from '@playwright/test';
+
+const SERVER_ENDPOINTS_STORAGE_KEY = 'metoyou_server_endpoints';
+const REMOVED_DEFAULT_KEYS_STORAGE_KEY = 'metoyou_removed_default_server_keys';
+
+type SeededEndpointStorageState = {
+  key: string;
+  removedKey: string;
+  endpoints: {
+    id: string;
+    name: string;
+    url: string;
+    isActive: boolean;
+    isDefault: boolean;
+    status: string;
+  }[];
+};
+
+function buildSeededEndpointStorageState(
+  port: number = Number(process.env.TEST_SERVER_PORT) || 3099
+): SeededEndpointStorageState {
+  const endpoint = {
+    id: 'e2e-test-server',
+    name: 'E2E Test Server',
+    url: `http://localhost:${port}`,
+    isActive: true,
+    isDefault: false,
+    status: 'unknown'
+  };
+
+  return {
+    key: SERVER_ENDPOINTS_STORAGE_KEY,
+    removedKey: REMOVED_DEFAULT_KEYS_STORAGE_KEY,
+    endpoints: [endpoint]
+  };
+}
+
+function applySeededEndpointStorageState(storageState: SeededEndpointStorageState): void {
+  try {
+    const storage = window.localStorage;
+
+    storage.setItem(storageState.key, JSON.stringify(storageState.endpoints));
+    storage.setItem(storageState.removedKey, JSON.stringify(['default', 'toju-primary', 'toju-sweden']));
+  } catch {
+    // about:blank and some Playwright UI pages deny localStorage access.
+  }
+}
+
+export async function installTestServerEndpoint(
+  context: BrowserContext,
+  port: number = Number(process.env.TEST_SERVER_PORT) || 3099
+): Promise<void> {
+  const storageState = buildSeededEndpointStorageState(port);
+
+  await context.addInitScript(applySeededEndpointStorageState, storageState);
+}
+
+/**
+ * Seed localStorage with a single signal endpoint pointing at the test server.
+ * Must be called AFTER navigating to the app origin (localStorage is per-origin)
+ * but BEFORE the app reads from storage (i.e. before the Angular bootstrap is
+ * relied upon — calling it in the first goto() landing page is fine since the
+ * page will re-read on next navigation/reload).
+ *
+ * Typical usage:
+ *   await page.goto('/');
+ *   await seedTestServerEndpoint(page);
+ *   await page.reload();   // App now picks up the test endpoint
+ */
+export async function seedTestServerEndpoint(
+  page: Page,
+  port: number = Number(process.env.TEST_SERVER_PORT) || 3099
+): Promise<void> {
+  const storageState = buildSeededEndpointStorageState(port);
+
+  await page.evaluate(applySeededEndpointStorageState, storageState);
+}

e2e/helpers/start-test-server.js

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+/**
+ * Launches an isolated MetoYou signaling server for E2E tests.
+ *
+ * Creates a temporary data directory so the test server gets its own
+ * fresh SQLite database. The server process inherits stdio so Playwright
+ * can watch stdout for readiness and the developer can see logs.
+ *
+ * Cleanup: the temp directory is removed when the process exits.
+ */
+const { mkdtempSync, writeFileSync, mkdirSync, rmSync } = require('fs');
+const { join } = require('path');
+const { tmpdir } = require('os');
+const { spawn } = require('child_process');
+
+const TEST_PORT = process.env.TEST_SERVER_PORT || '3099';
+const SERVER_DIR = join(__dirname, '..', '..', 'server');
+const SERVER_ENTRY = join(SERVER_DIR, 'src', 'index.ts');
+const SERVER_TSCONFIG = join(SERVER_DIR, 'tsconfig.json');
+
+// ── Create isolated temp data directory ──────────────────────────────
+const tmpDir = mkdtempSync(join(tmpdir(), 'metoyou-e2e-'));
+const dataDir = join(tmpDir, 'data');
+mkdirSync(dataDir, { recursive: true });
+
+writeFileSync(
+  join(dataDir, 'variables.json'),
+  JSON.stringify({
+    serverPort: parseInt(TEST_PORT, 10),
+    serverProtocol: 'http',
+    serverHost: '',
+    klipyApiKey: '',
+    releaseManifestUrl: '',
+    linkPreview: { enabled: false, cacheTtlMinutes: 60, maxCacheSizeMb: 10 },
+  })
+);
+
+console.log(`[E2E Server] Temp data dir: ${tmpDir}`);
+console.log(`[E2E Server] Starting on port ${TEST_PORT}...`);
+
+// ── Spawn the server with cwd = temp dir ─────────────────────────────
+// process.cwd() is used by getRuntimeBaseDir() in the server, so data/
+// (database, variables.json) will resolve to our temp directory.
+// Module resolution (require/import) uses __dirname, so server source
+// and node_modules are found from the real server/ directory.
+const child = spawn(
+  'npx',
+  ['ts-node', '--project', SERVER_TSCONFIG, SERVER_ENTRY],
+  {
+    cwd: tmpDir,
+    env: {
+      ...process.env,
+      PORT: TEST_PORT,
+      SSL: 'false',
+      NODE_ENV: 'test',
+      DB_SYNCHRONIZE: 'true',
+    },
+    stdio: 'inherit',
+    shell: true,
+  }
+);
+
+let shuttingDown = false;
+
+child.on('error', (err) => {
+  console.error('[E2E Server] Failed to start:', err.message);
+  cleanup();
+  process.exit(1);
+});
+
+child.on('exit', (code) => {
+  console.log(`[E2E Server] Exited with code ${code}`);
+  cleanup();
+
+   if (shuttingDown) {
+    process.exit(0);
+  }
+});
+
+// ── Cleanup on signals ───────────────────────────────────────────────
+function cleanup() {
+  try {
+    rmSync(tmpDir, { recursive: true, force: true });
+    console.log(`[E2E Server] Cleaned up temp dir: ${tmpDir}`);
+  } catch {
+    // already gone
+  }
+}
+
+function shutdown() {
+  if (shuttingDown) {
+    return;
+  }
+
+  shuttingDown = true;
+  child.kill('SIGTERM');
+
+  // Give child 3s to exit, then force kill
+  setTimeout(() => {
+    if (child.exitCode === null) {
+      child.kill('SIGKILL');
+    }
+  }, 3_000);
+}
+
+process.on('SIGTERM', shutdown);
+process.on('SIGINT', shutdown);
+process.on('exit', cleanup);

e2e/helpers/webrtc-helpers.ts

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+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { type Page } from '@playwright/test';
+
+/**
+ * Install RTCPeerConnection monkey-patch on a page BEFORE navigating.
+ * Tracks all created peer connections and their remote tracks so tests
+ * can inspect WebRTC state via `page.evaluate()`.
+ *
+ * Call immediately after page creation, before any `goto()`.
+ */
+export async function installWebRTCTracking(page: Page): Promise<void> {
+  await page.addInitScript(() => {
+    const connections: RTCPeerConnection[] = [];
+
+    (window as any).__rtcConnections = connections;
+    (window as any).__rtcRemoteTracks = [] as { kind: string; id: string; readyState: string }[];
+
+    const OriginalRTCPeerConnection = window.RTCPeerConnection;
+
+    (window as any).RTCPeerConnection = function(this: RTCPeerConnection, ...args: any[]) {
+      const pc: RTCPeerConnection = new OriginalRTCPeerConnection(...args);
+
+      connections.push(pc);
+
+      pc.addEventListener('connectionstatechange', () => {
+        (window as any).__lastRtcState = pc.connectionState;
+      });
+
+      pc.addEventListener('track', (event: RTCTrackEvent) => {
+        (window as any).__rtcRemoteTracks.push({
+          kind: event.track.kind,
+          id: event.track.id,
+          readyState: event.track.readyState
+        });
+      });
+
+      return pc;
+    } as any;
+
+    (window as any).RTCPeerConnection.prototype = OriginalRTCPeerConnection.prototype;
+    Object.setPrototypeOf((window as any).RTCPeerConnection, OriginalRTCPeerConnection);
+
+    // Patch getUserMedia to use an AudioContext oscillator for audio
+    // instead of the hardware capture device.  Chromium's fake audio
+    // device intermittently fails to produce frames after renegotiation.
+    const origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
+
+    navigator.mediaDevices.getUserMedia = async (constraints?: MediaStreamConstraints) => {
+      const wantsAudio = !!constraints?.audio;
+
+      if (!wantsAudio) {
+        return origGetUserMedia(constraints);
+      }
+
+      // Get the original stream (may include video)
+      const originalStream = await origGetUserMedia(constraints);
+      const audioCtx = new AudioContext();
+      const oscillator = audioCtx.createOscillator();
+
+      oscillator.frequency.value = 440;
+
+      const dest = audioCtx.createMediaStreamDestination();
+
+      oscillator.connect(dest);
+      oscillator.start();
+
+      const synthAudioTrack = dest.stream.getAudioTracks()[0];
+      const resultStream = new MediaStream();
+
+      resultStream.addTrack(synthAudioTrack);
+
+      // Keep any video tracks from the original stream
+      for (const videoTrack of originalStream.getVideoTracks()) {
+        resultStream.addTrack(videoTrack);
+      }
+
+      // Stop original audio tracks since we're not using them
+      for (const track of originalStream.getAudioTracks()) {
+        track.stop();
+      }
+
+      return resultStream;
+    };
+
+    // Patch getDisplayMedia to return a synthetic screen share stream
+    // (canvas-based video + 880Hz oscillator audio) so the browser
+    // picker dialog is never shown.
+    navigator.mediaDevices.getDisplayMedia = async (_constraints?: DisplayMediaStreamOptions) => {
+      const canvas = document.createElement('canvas');
+
+      canvas.width = 640;
+      canvas.height = 480;
+
+      const ctx = canvas.getContext('2d');
+
+      if (!ctx) {
+        throw new Error('Canvas 2D context unavailable');
+      }
+
+      let frameCount = 0;
+
+      // Draw animated frames so video stats show increasing bytes
+      const drawFrame = () => {
+        frameCount++;
+        ctx.fillStyle = `hsl(${frameCount % 360}, 70%, 50%)`;
+        ctx.fillRect(0, 0, canvas.width, canvas.height);
+        ctx.fillStyle = '#fff';
+        ctx.font = '24px monospace';
+        ctx.fillText(`Screen Share Frame ${frameCount}`, 40, 60);
+      };
+
+      drawFrame();
+      const drawInterval = setInterval(drawFrame, 100);
+      const videoStream = canvas.captureStream(10); // 10 fps
+      const videoTrack = videoStream.getVideoTracks()[0];
+
+      // Stop drawing when the track ends
+      videoTrack.addEventListener('ended', () => clearInterval(drawInterval));
+
+      // Create 880Hz oscillator for screen share audio (distinct from 440Hz voice)
+      const audioCtx = new AudioContext();
+      const osc = audioCtx.createOscillator();
+
+      osc.frequency.value = 880;
+
+      const dest = audioCtx.createMediaStreamDestination();
+
+      osc.connect(dest);
+      osc.start();
+
+      const audioTrack = dest.stream.getAudioTracks()[0];
+      // Combine video + audio into one stream
+      const resultStream = new MediaStream([videoTrack, audioTrack]);
+
+      // Tag the stream so tests can identify it
+      (resultStream as any).__isScreenShare = true;
+
+      return resultStream;
+    };
+  });
+}
+
+/**
+ * Wait until at least one RTCPeerConnection reaches the 'connected' state.
+ */
+export async function waitForPeerConnected(page: Page, timeout = 30_000): Promise<void> {
+  await page.waitForFunction(
+    () => (window as any).__rtcConnections?.some(
+      (pc: RTCPeerConnection) => pc.connectionState === 'connected'
+    ) ?? false,
+    { timeout }
+  );
+}
+
+/**
+ * Check that a peer connection is still in 'connected' state (not failed/disconnected).
+ */
+export async function isPeerStillConnected(page: Page): Promise<boolean> {
+  return page.evaluate(
+    () => (window as any).__rtcConnections?.some(
+      (pc: RTCPeerConnection) => pc.connectionState === 'connected'
+    ) ?? false
+  );
+}
+
+/**
+ * Get outbound and inbound audio RTP stats aggregated across all peer
+ * connections.  Uses a per-connection high water mark stored on `window` so
+ * that connections that close mid-measurement still contribute their last
+ * known counters, preventing the aggregate from going backwards.
+ */
+export async function getAudioStats(page: Page): Promise<{
+  outbound: { bytesSent: number; packetsSent: number } | null;
+  inbound: { bytesReceived: number; packetsReceived: number } | null;
+}> {
+  return page.evaluate(async () => {
+    const connections = (window as any).__rtcConnections as RTCPeerConnection[] | undefined;
+
+    if (!connections?.length)
+      return { outbound: null, inbound: null };
+
+    interface HWMEntry {
+      outBytesSent: number;
+      outPacketsSent: number;
+      inBytesReceived: number;
+      inPacketsReceived: number;
+      hasOutbound: boolean;
+      hasInbound: boolean;
+    };
+
+    const hwm: Record<number, HWMEntry> = (window as any).__rtcStatsHWM =
+      ((window as any).__rtcStatsHWM as Record<number, HWMEntry> | undefined) ?? {};
+
+    for (let idx = 0; idx < connections.length; idx++) {
+      let stats: RTCStatsReport;
+
+      try {
+        stats = await connections[idx].getStats();
+      } catch {
+        continue; // closed connection - keep its last HWM
+      }
+
+      let obytes = 0;
+      let opackets = 0;
+      let ibytes = 0;
+      let ipackets = 0;
+      let hasOut = false;
+      let hasIn = false;
+
+      stats.forEach((report: any) => {
+        const kind = report.kind ?? report.mediaType;
+
+        if (report.type === 'outbound-rtp' && kind === 'audio') {
+          hasOut = true;
+          obytes += report.bytesSent ?? 0;
+          opackets += report.packetsSent ?? 0;
+        }
+
+        if (report.type === 'inbound-rtp' && kind === 'audio') {
+          hasIn = true;
+          ibytes += report.bytesReceived ?? 0;
+          ipackets += report.packetsReceived ?? 0;
+        }
+      });
+
+      if (hasOut || hasIn) {
+        hwm[idx] = {
+          outBytesSent: obytes,
+          outPacketsSent: opackets,
+          inBytesReceived: ibytes,
+          inPacketsReceived: ipackets,
+          hasOutbound: hasOut,
+          hasInbound: hasIn
+        };
+      }
+    }
+
+    let totalOutBytes = 0;
+    let totalOutPackets = 0;
+    let totalInBytes = 0;
+    let totalInPackets = 0;
+    let anyOutbound = false;
+    let anyInbound = false;
+
+    for (const entry of Object.values(hwm)) {
+      totalOutBytes += entry.outBytesSent;
+      totalOutPackets += entry.outPacketsSent;
+      totalInBytes += entry.inBytesReceived;
+      totalInPackets += entry.inPacketsReceived;
+
+      if (entry.hasOutbound)
+        anyOutbound = true;
+
+      if (entry.hasInbound)
+        anyInbound = true;
+    }
+
+    return {
+      outbound: anyOutbound
+        ? { bytesSent: totalOutBytes, packetsSent: totalOutPackets }
+        : null,
+      inbound: anyInbound
+        ? { bytesReceived: totalInBytes, packetsReceived: totalInPackets }
+        : null
+    };
+  });
+}
+
+/**
+ * Snapshot audio stats, wait `durationMs`, snapshot again, and return the delta.
+ * Useful for verifying audio is actively flowing (bytes increasing).
+ */
+export async function getAudioStatsDelta(page: Page, durationMs = 3_000): Promise<{
+  outboundBytesDelta: number;
+  inboundBytesDelta: number;
+  outboundPacketsDelta: number;
+  inboundPacketsDelta: number;
+}> {
+  const before = await getAudioStats(page);
+
+  await page.waitForTimeout(durationMs);
+
+  const after = await getAudioStats(page);
+
+  return {
+    outboundBytesDelta: (after.outbound?.bytesSent ?? 0) - (before.outbound?.bytesSent ?? 0),
+    inboundBytesDelta: (after.inbound?.bytesReceived ?? 0) - (before.inbound?.bytesReceived ?? 0),
+    outboundPacketsDelta: (after.outbound?.packetsSent ?? 0) - (before.outbound?.packetsSent ?? 0),
+    inboundPacketsDelta: (after.inbound?.packetsReceived ?? 0) - (before.inbound?.packetsReceived ?? 0)
+  };
+}
+
+/**
+ * Wait until at least one connection has both outbound-rtp and inbound-rtp
+ * audio reports.  Call after `waitForPeerConnected` to ensure the audio
+ * pipeline is ready before measuring deltas.
+ */
+export async function waitForAudioStatsPresent(page: Page, timeout = 15_000): Promise<void> {
+  await page.waitForFunction(
+    async () => {
+      const connections = (window as any).__rtcConnections as RTCPeerConnection[] | undefined;
+
+      if (!connections?.length)
+        return false;
+
+      for (const pc of connections) {
+        let stats: RTCStatsReport;
+
+        try {
+          stats = await pc.getStats();
+        } catch {
+          continue;
+        }
+
+        let hasOut = false;
+        let hasIn = false;
+
+        stats.forEach((report: any) => {
+          const kind = report.kind ?? report.mediaType;
+
+          if (report.type === 'outbound-rtp' && kind === 'audio')
+            hasOut = true;
+
+          if (report.type === 'inbound-rtp' && kind === 'audio')
+            hasIn = true;
+        });
+
+        if (hasOut && hasIn)
+          return true;
+      }
+
+      return false;
+    },
+    { timeout }
+  );
+}
+
+interface AudioFlowDelta {
+  outboundBytesDelta: number;
+  inboundBytesDelta: number;
+  outboundPacketsDelta: number;
+  inboundPacketsDelta: number;
+}
+
+function snapshotToDelta(
+  curr: Awaited<ReturnType<typeof getAudioStats>>,
+  prev: Awaited<ReturnType<typeof getAudioStats>>
+): AudioFlowDelta {
+  return {
+    outboundBytesDelta: (curr.outbound?.bytesSent ?? 0) - (prev.outbound?.bytesSent ?? 0),
+    inboundBytesDelta: (curr.inbound?.bytesReceived ?? 0) - (prev.inbound?.bytesReceived ?? 0),
+    outboundPacketsDelta: (curr.outbound?.packetsSent ?? 0) - (prev.outbound?.packetsSent ?? 0),
+    inboundPacketsDelta: (curr.inbound?.packetsReceived ?? 0) - (prev.inbound?.packetsReceived ?? 0)
+  };
+}
+
+function isDeltaFlowing(delta: AudioFlowDelta): boolean {
+  const outFlowing = delta.outboundBytesDelta > 0 || delta.outboundPacketsDelta > 0;
+  const inFlowing = delta.inboundBytesDelta > 0 || delta.inboundPacketsDelta > 0;
+
+  return outFlowing && inFlowing;
+}
+
+/**
+ * Poll until two consecutive HWM-based reads show both outbound and inbound
+ * audio byte counts increasing.  Combines per-connection high-water marks
+ * (which prevent totals from going backwards after connection churn) with
+ * consecutive comparison (which avoids a stale single baseline).
+ */
+export async function waitForAudioFlow(
+  page: Page,
+  timeoutMs = 30_000,
+  pollIntervalMs = 1_000
+): Promise<AudioFlowDelta> {
+  const deadline = Date.now() + timeoutMs;
+
+  let prev = await getAudioStats(page);
+
+  while (Date.now() < deadline) {
+    await page.waitForTimeout(pollIntervalMs);
+    const curr = await getAudioStats(page);
+    const delta = snapshotToDelta(curr, prev);
+
+    if (isDeltaFlowing(delta)) {
+      return delta;
+    }
+
+    prev = curr;
+  }
+
+  // Timeout - return zero deltas so the caller's assertion reports the failure.
+  return {
+    outboundBytesDelta: 0,
+    inboundBytesDelta: 0,
+    outboundPacketsDelta: 0,
+    inboundPacketsDelta: 0
+  };
+}
+
+/**
+ * Get outbound and inbound video RTP stats aggregated across all peer
+ * connections.  Uses the same HWM pattern as {@link getAudioStats}.
+ */
+export async function getVideoStats(page: Page): Promise<{
+  outbound: { bytesSent: number; packetsSent: number } | null;
+  inbound: { bytesReceived: number; packetsReceived: number } | null;
+}> {
+  return page.evaluate(async () => {
+    const connections = (window as any).__rtcConnections as RTCPeerConnection[] | undefined;
+
+    if (!connections?.length)
+      return { outbound: null, inbound: null };
+
+    interface VHWM {
+      outBytesSent: number;
+      outPacketsSent: number;
+      inBytesReceived: number;
+      inPacketsReceived: number;
+      hasOutbound: boolean;
+      hasInbound: boolean;
+    }
+
+    const hwm: Record<number, VHWM> = (window as any).__rtcVideoStatsHWM =
+      ((window as any).__rtcVideoStatsHWM as Record<number, VHWM> | undefined) ?? {};
+
+    for (let idx = 0; idx < connections.length; idx++) {
+      let stats: RTCStatsReport;
+
+      try {
+        stats = await connections[idx].getStats();
+      } catch {
+        continue;
+      }
+
+      let obytes = 0;
+      let opackets = 0;
+      let ibytes = 0;
+      let ipackets = 0;
+      let hasOut = false;
+      let hasIn = false;
+
+      stats.forEach((report: any) => {
+        const kind = report.kind ?? report.mediaType;
+
+        if (report.type === 'outbound-rtp' && kind === 'video') {
+          hasOut = true;
+          obytes += report.bytesSent ?? 0;
+          opackets += report.packetsSent ?? 0;
+        }
+
+        if (report.type === 'inbound-rtp' && kind === 'video') {
+          hasIn = true;
+          ibytes += report.bytesReceived ?? 0;
+          ipackets += report.packetsReceived ?? 0;
+        }
+      });
+
+      if (hasOut || hasIn) {
+        hwm[idx] = {
+          outBytesSent: obytes,
+          outPacketsSent: opackets,
+          inBytesReceived: ibytes,
+          inPacketsReceived: ipackets,
+          hasOutbound: hasOut,
+          hasInbound: hasIn
+        };
+      }
+    }
+
+    let totalOutBytes = 0;
+    let totalOutPackets = 0;
+    let totalInBytes = 0;
+    let totalInPackets = 0;
+    let anyOutbound = false;
+    let anyInbound = false;
+
+    for (const entry of Object.values(hwm)) {
+      totalOutBytes += entry.outBytesSent;
+      totalOutPackets += entry.outPacketsSent;
+      totalInBytes += entry.inBytesReceived;
+      totalInPackets += entry.inPacketsReceived;
+
+      if (entry.hasOutbound)
+        anyOutbound = true;
+
+      if (entry.hasInbound)
+        anyInbound = true;
+    }
+
+    return {
+      outbound: anyOutbound
+        ? { bytesSent: totalOutBytes, packetsSent: totalOutPackets }
+        : null,
+      inbound: anyInbound
+        ? { bytesReceived: totalInBytes, packetsReceived: totalInPackets }
+        : null
+    };
+  });
+}
+
+/**
+ * Wait until at least one connection has both outbound-rtp and inbound-rtp
+ * video reports.
+ */
+export async function waitForVideoStatsPresent(page: Page, timeout = 15_000): Promise<void> {
+  await page.waitForFunction(
+    async () => {
+      const connections = (window as any).__rtcConnections as RTCPeerConnection[] | undefined;
+
+      if (!connections?.length)
+        return false;
+
+      for (const pc of connections) {
+        let stats: RTCStatsReport;
+
+        try {
+          stats = await pc.getStats();
+        } catch {
+          continue;
+        }
+
+        let hasOut = false;
+        let hasIn = false;
+
+        stats.forEach((report: any) => {
+          const kind = report.kind ?? report.mediaType;
+
+          if (report.type === 'outbound-rtp' && kind === 'video')
+            hasOut = true;
+
+          if (report.type === 'inbound-rtp' && kind === 'video')
+            hasIn = true;
+        });
+
+        if (hasOut && hasIn)
+          return true;
+      }
+
+      return false;
+    },
+    { timeout }
+  );
+}
+
+interface VideoFlowDelta {
+  outboundBytesDelta: number;
+  inboundBytesDelta: number;
+  outboundPacketsDelta: number;
+  inboundPacketsDelta: number;
+}
+
+function videoSnapshotToDelta(
+  curr: Awaited<ReturnType<typeof getVideoStats>>,
+  prev: Awaited<ReturnType<typeof getVideoStats>>
+): VideoFlowDelta {
+  return {
+    outboundBytesDelta: (curr.outbound?.bytesSent ?? 0) - (prev.outbound?.bytesSent ?? 0),
+    inboundBytesDelta: (curr.inbound?.bytesReceived ?? 0) - (prev.inbound?.bytesReceived ?? 0),
+    outboundPacketsDelta: (curr.outbound?.packetsSent ?? 0) - (prev.outbound?.packetsSent ?? 0),
+    inboundPacketsDelta: (curr.inbound?.packetsReceived ?? 0) - (prev.inbound?.packetsReceived ?? 0)
+  };
+}
+
+function isVideoDeltaFlowing(delta: VideoFlowDelta): boolean {
+  const outFlowing = delta.outboundBytesDelta > 0 || delta.outboundPacketsDelta > 0;
+  const inFlowing = delta.inboundBytesDelta > 0 || delta.inboundPacketsDelta > 0;
+
+  return outFlowing && inFlowing;
+}
+
+/**
+ * Poll until two consecutive HWM-based reads show both outbound and inbound
+ * video byte counts increasing - proving screen share video is flowing.
+ */
+export async function waitForVideoFlow(
+  page: Page,
+  timeoutMs = 30_000,
+  pollIntervalMs = 1_000
+): Promise<VideoFlowDelta> {
+  const deadline = Date.now() + timeoutMs;
+
+  let prev = await getVideoStats(page);
+
+  while (Date.now() < deadline) {
+    await page.waitForTimeout(pollIntervalMs);
+    const curr = await getVideoStats(page);
+    const delta = videoSnapshotToDelta(curr, prev);
+
+    if (isVideoDeltaFlowing(delta)) {
+      return delta;
+    }
+
+    prev = curr;
+  }
+
+  return {
+    outboundBytesDelta: 0,
+    inboundBytesDelta: 0,
+    outboundPacketsDelta: 0,
+    inboundPacketsDelta: 0
+  };
+}
+
+/**
+ * Wait until outbound video bytes are increasing (sender side).
+ * Use on the page that is sharing its screen.
+ */
+export async function waitForOutboundVideoFlow(
+  page: Page,
+  timeoutMs = 30_000,
+  pollIntervalMs = 1_000
+): Promise<VideoFlowDelta> {
+  const deadline = Date.now() + timeoutMs;
+
+  let prev = await getVideoStats(page);
+
+  while (Date.now() < deadline) {
+    await page.waitForTimeout(pollIntervalMs);
+    const curr = await getVideoStats(page);
+    const delta = videoSnapshotToDelta(curr, prev);
+
+    if (delta.outboundBytesDelta > 0 || delta.outboundPacketsDelta > 0) {
+      return delta;
+    }
+
+    prev = curr;
+  }
+
+  return {
+    outboundBytesDelta: 0,
+    inboundBytesDelta: 0,
+    outboundPacketsDelta: 0,
+    inboundPacketsDelta: 0
+  };
+}
+
+/**
+ * Wait until inbound video bytes are increasing (receiver side).
+ * Use on the page that is viewing someone else's screen share.
+ */
+export async function waitForInboundVideoFlow(
+  page: Page,
+  timeoutMs = 30_000,
+  pollIntervalMs = 1_000
+): Promise<VideoFlowDelta> {
+  const deadline = Date.now() + timeoutMs;
+
+  let prev = await getVideoStats(page);
+
+  while (Date.now() < deadline) {
+    await page.waitForTimeout(pollIntervalMs);
+    const curr = await getVideoStats(page);
+    const delta = videoSnapshotToDelta(curr, prev);
+
+    if (delta.inboundBytesDelta > 0 || delta.inboundPacketsDelta > 0) {
+      return delta;
+    }
+
+    prev = curr;
+  }
+
+  return {
+    outboundBytesDelta: 0,
+    inboundBytesDelta: 0,
+    outboundPacketsDelta: 0,
+    inboundPacketsDelta: 0
+  };
+}
+
+/**
+ * Dump full RTC connection diagnostics for debugging audio flow failures.
+ */
+export async function dumpRtcDiagnostics(page: Page): Promise<string> {
+  return page.evaluate(async () => {
+    const conns = (window as any).__rtcConnections as RTCPeerConnection[] | undefined;
+
+    if (!conns?.length)
+      return 'No connections tracked';
+
+    const lines: string[] = [`Total connections: ${conns.length}`];
+
+    for (let idx = 0; idx < conns.length; idx++) {
+      const pc = conns[idx];
+
+      lines.push(`PC[${idx}]: connection=${pc.connectionState}, signaling=${pc.signalingState}`);
+
+      const senders = pc.getSenders().map(
+        (sender) => `${sender.track?.kind ?? 'none'}:enabled=${sender.track?.enabled}:${sender.track?.readyState ?? 'null'}`
+      );
+      const receivers = pc.getReceivers().map(
+        (recv) => `${recv.track?.kind ?? 'none'}:enabled=${recv.track?.enabled}:${recv.track?.readyState ?? 'null'}`
+      );
+
+      lines.push(`  senders=[${senders.join(', ')}]`);
+      lines.push(`  receivers=[${receivers.join(', ')}]`);
+
+      try {
+        const stats = await pc.getStats();
+
+        stats.forEach((report: any) => {
+          if (report.type !== 'outbound-rtp' && report.type !== 'inbound-rtp')
+            return;
+
+          const kind = report.kind ?? report.mediaType;
+          const bytes = report.type === 'outbound-rtp' ? report.bytesSent : report.bytesReceived;
+          const packets = report.type === 'outbound-rtp' ? report.packetsSent : report.packetsReceived;
+
+          lines.push(`  ${report.type}: kind=${kind}, bytes=${bytes}, packets=${packets}`);
+        });
+      } catch (err: any) {
+        lines.push(`  getStats() failed: ${err?.message ?? err}`);
+      }
+    }
+
+    return lines.join('\n');
+  });
+}

e2e/pages/chat-messages.page.ts

@@ -0,0 +1,143 @@
+import {
+  expect,
+  type Locator,
+  type Page
+} from '@playwright/test';
+
+export type ChatDropFilePayload = {
+  name: string;
+  mimeType: string;
+  base64: string;
+};
+
+export class ChatMessagesPage {
+  readonly composer: Locator;
+  readonly composerInput: Locator;
+  readonly sendButton: Locator;
+  readonly typingIndicator: Locator;
+  readonly gifButton: Locator;
+  readonly gifPicker: Locator;
+  readonly messageItems: Locator;
+
+  constructor(private page: Page) {
+    this.composer = page.locator('app-chat-message-composer');
+    this.composerInput = page.getByPlaceholder('Type a message...');
+    this.sendButton = page.getByRole('button', { name: 'Send message' });
+    this.typingIndicator = page.locator('app-typing-indicator');
+    this.gifButton = page.getByRole('button', { name: 'Search KLIPY GIFs' });
+    this.gifPicker = page.getByRole('dialog', { name: 'KLIPY GIF picker' });
+    this.messageItems = page.locator('[data-message-id]');
+  }
+
+  async waitForReady(): Promise<void> {
+    await expect(this.composerInput).toBeVisible({ timeout: 30_000 });
+  }
+
+  async sendMessage(content: string): Promise<void> {
+    await this.waitForReady();
+    await this.composerInput.fill(content);
+    await this.sendButton.click();
+  }
+
+  async typeDraft(content: string): Promise<void> {
+    await this.waitForReady();
+    await this.composerInput.fill(content);
+  }
+
+  async clearDraft(): Promise<void> {
+    await this.waitForReady();
+    await this.composerInput.fill('');
+  }
+
+  async attachFiles(files: ChatDropFilePayload[]): Promise<void> {
+    await this.waitForReady();
+
+    await this.composerInput.evaluate((element, payloads: ChatDropFilePayload[]) => {
+      const dataTransfer = new DataTransfer();
+
+      for (const payload of payloads) {
+        const binary = atob(payload.base64);
+        const bytes = new Uint8Array(binary.length);
+
+        for (let index = 0; index < binary.length; index++) {
+          bytes[index] = binary.charCodeAt(index);
+        }
+
+        dataTransfer.items.add(new File([bytes], payload.name, { type: payload.mimeType }));
+      }
+
+      element.dispatchEvent(new DragEvent('drop', {
+        bubbles: true,
+        cancelable: true,
+        dataTransfer
+      }));
+    }, files);
+  }
+
+  async openGifPicker(): Promise<void> {
+    await this.waitForReady();
+    await this.gifButton.click();
+    await expect(this.gifPicker).toBeVisible({ timeout: 10_000 });
+  }
+
+  async selectFirstGif(): Promise<void> {
+    const gifCard = this.gifPicker.getByRole('button', { name: /click to select/i }).first();
+
+    await expect(gifCard).toBeVisible({ timeout: 10_000 });
+    await gifCard.click();
+  }
+
+  getMessageItemByText(text: string): Locator {
+    return this.messageItems.filter({
+      has: this.page.getByText(text, { exact: false })
+    }).last();
+  }
+
+  getMessageImageByAlt(altText: string): Locator {
+    return this.page.locator(`[data-message-id] img[alt="${altText}"]`).last();
+  }
+
+  async expectMessageImageLoaded(altText: string): Promise<void> {
+    const image = this.getMessageImageByAlt(altText);
+
+    await expect(image).toBeVisible({ timeout: 20_000 });
+    await expect.poll(async () =>
+      image.evaluate((element) => {
+        const img = element as HTMLImageElement;
+
+        return img.complete && img.naturalWidth > 0 && img.naturalHeight > 0;
+      }), {
+      timeout: 20_000,
+      message: `Image ${altText} should fully load in chat`
+    }).toBe(true);
+  }
+
+  getEmbedCardByTitle(title: string): Locator {
+    return this.page.locator('app-chat-link-embed').filter({
+      has: this.page.getByText(title, { exact: true })
+    }).last();
+  }
+
+  async editOwnMessage(originalText: string, updatedText: string): Promise<void> {
+    const messageItem = this.getMessageItemByText(originalText);
+    const editButton = messageItem.locator('button:has(ng-icon[name="lucideEdit"])').first();
+    const editTextarea = this.page.locator('textarea.edit-textarea').first();
+    const saveButton = this.page.locator('button:has(ng-icon[name="lucideCheck"])').first();
+
+    await expect(messageItem).toBeVisible({ timeout: 15_000 });
+    await messageItem.hover();
+    await editButton.click();
+    await expect(editTextarea).toBeVisible({ timeout: 10_000 });
+    await editTextarea.fill(updatedText);
+    await saveButton.click();
+  }
+
+  async deleteOwnMessage(text: string): Promise<void> {
+    const messageItem = this.getMessageItemByText(text);
+    const deleteButton = messageItem.locator('button:has(ng-icon[name="lucideTrash2"])').first();
+
+    await expect(messageItem).toBeVisible({ timeout: 15_000 });
+    await messageItem.hover();
+    await deleteButton.click();
+  }
+}

e2e/pages/chat-room.page.ts

@@ -0,0 +1,390 @@
+import {
+  expect,
+  type Page,
+  type Locator
+} from '@playwright/test';
+
+export class ChatRoomPage {
+  readonly chatMessages: Locator;
+  readonly voiceWorkspace: Locator;
+  readonly channelsSidePanel: Locator;
+  readonly usersSidePanel: Locator;
+
+  constructor(private page: Page) {
+    this.chatMessages = page.locator('app-chat-messages');
+    this.voiceWorkspace = page.locator('app-voice-workspace');
+    this.channelsSidePanel = page.locator('app-rooms-side-panel').first();
+    this.usersSidePanel = page.locator('app-rooms-side-panel').last();
+  }
+
+  /** Click a voice channel by name in the channels sidebar to join voice. */
+  async joinVoiceChannel(channelName: string) {
+    const channelButton = this.page.locator('app-rooms-side-panel')
+      .getByRole('button', { name: channelName, exact: true });
+
+    await expect(channelButton).toBeVisible({ timeout: 15_000 });
+    await channelButton.click();
+  }
+
+  /** Click a text channel by name in the channels sidebar to switch chat rooms. */
+  async joinTextChannel(channelName: string) {
+    const channelButton = this.getTextChannelButton(channelName);
+
+    if (await channelButton.count() === 0) {
+      await this.refreshRoomMetadata();
+    }
+
+    await expect(channelButton).toBeVisible({ timeout: 15_000 });
+    await channelButton.click();
+  }
+
+  /** Creates a text channel and waits until it appears locally. */
+  async ensureTextChannelExists(channelName: string) {
+    const channelButton = this.getTextChannelButton(channelName);
+
+    if (await channelButton.count() > 0) {
+      return;
+    }
+
+    await this.openCreateTextChannelDialog();
+    await this.createChannel(channelName);
+
+    try {
+      await expect(channelButton).toBeVisible({ timeout: 5_000 });
+    } catch {
+      await this.createTextChannelThroughComponent(channelName);
+    }
+
+    await this.persistCurrentChannelsToServer(channelName);
+    await expect(channelButton).toBeVisible({ timeout: 15_000 });
+  }
+
+  /** Click "Create Voice Channel" button in the channels sidebar. */
+  async openCreateVoiceChannelDialog() {
+    await this.page.locator('button[title="Create Voice Channel"]').click();
+  }
+
+  /** Click "Create Text Channel" button in the channels sidebar. */
+  async openCreateTextChannelDialog() {
+    await this.page.locator('button[title="Create Text Channel"]').click();
+  }
+
+  /** Fill the channel name in the create channel dialog and confirm. */
+  async createChannel(name: string) {
+    const dialog = this.page.locator('app-confirm-dialog');
+    const channelNameInput = dialog.getByPlaceholder('Channel name');
+    const createButton = dialog.getByRole('button', { name: 'Create', exact: true });
+
+    await expect(channelNameInput).toBeVisible({ timeout: 10_000 });
+    await channelNameInput.fill(name);
+    await channelNameInput.press('Enter');
+
+    if (await dialog.isVisible()) {
+      try {
+        await createButton.click();
+      } catch {
+        // Enter may already have confirmed and removed the dialog.
+      }
+    }
+
+    await expect(dialog).not.toBeVisible({ timeout: 10_000 });
+  }
+
+  /** Get the voice controls component. */
+  get voiceControls() {
+    return this.page.locator('app-voice-controls');
+  }
+
+  /** Get the mute toggle button inside voice controls. */
+  get muteButton() {
+    return this.voiceControls.locator('button:has(ng-icon[name="lucideMic"]), button:has(ng-icon[name="lucideMicOff"])').first();
+  }
+
+  /** Get the disconnect/hang-up button (destructive styled). */
+  get disconnectButton() {
+    return this.voiceControls.locator('button:has(ng-icon[name="lucidePhoneOff"])').first();
+  }
+
+  /** Get all voice stream tiles. */
+  get streamTiles() {
+    return this.page.locator('app-voice-workspace-stream-tile');
+  }
+
+  /** Get the count of voice users listed under a voice channel. */
+  async getVoiceUserCountInChannel(channelName: string): Promise<number> {
+    const channelSection = this.page.locator('app-rooms-side-panel')
+      .getByRole('button', { name: channelName })
+      .locator('..');
+    const userAvatars = channelSection.locator('app-user-avatar');
+
+    return userAvatars.count();
+  }
+
+  /** Get the screen share toggle button inside voice controls. */
+  get screenShareButton() {
+    return this.voiceControls.locator(
+      'button:has(ng-icon[name="lucideMonitor"]), button:has(ng-icon[name="lucideMonitorOff"])'
+    ).first();
+  }
+
+  /** Start screen sharing.  Bypasses the quality dialog via localStorage preset. */
+  async startScreenShare() {
+    // Disable quality dialog so clicking the button starts sharing immediately
+    await this.page.evaluate(() => {
+      const key = 'metoyou_voice_settings';
+      const raw = localStorage.getItem(key);
+      const settings = raw ? JSON.parse(raw) : {};
+
+      settings.askScreenShareQuality = false;
+      settings.screenShareQuality = 'balanced';
+      localStorage.setItem(key, JSON.stringify(settings));
+    });
+
+    await this.screenShareButton.click();
+  }
+
+  /** Stop screen sharing by clicking the active screen share button. */
+  async stopScreenShare() {
+    await this.screenShareButton.click();
+  }
+
+  /** Check whether the screen share button shows the active (MonitorOff) icon. */
+  get isScreenShareActive() {
+    return this.voiceControls.locator('button:has(ng-icon[name="lucideMonitorOff"])').first();
+  }
+
+  private getTextChannelButton(channelName: string): Locator {
+    const channelPattern = new RegExp(`#\\s*${escapeRegExp(channelName)}$`, 'i');
+
+    return this.channelsSidePanel.getByRole('button', { name: channelPattern }).first();
+  }
+
+  private async createTextChannelThroughComponent(channelName: string): Promise<void> {
+    await this.page.evaluate((name) => {
+      interface ChannelSidebarComponent {
+        createChannel: (type: 'text' | 'voice') => void;
+        newChannelName: string;
+        confirmCreateChannel: () => void;
+      }
+      interface AngularDebugApi {
+        getComponent: (element: Element) => ChannelSidebarComponent;
+      }
+      interface WindowWithAngularDebug extends Window {
+        ng?: AngularDebugApi;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as WindowWithAngularDebug).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        throw new Error('Angular debug API unavailable for text channel fallback');
+      }
+
+      const component = debugApi.getComponent(host);
+
+      component.createChannel('text');
+      component.newChannelName = name;
+      component.confirmCreateChannel();
+    }, channelName);
+  }
+
+  private async persistCurrentChannelsToServer(channelName: string): Promise<void> {
+    const result = await this.page.evaluate(async (requestedChannelName) => {
+      interface ServerEndpoint {
+        isActive?: boolean;
+        url: string;
+      }
+
+      interface ChannelShape {
+        id: string;
+        name: string;
+        type: 'text' | 'voice';
+        position: number;
+      }
+
+      interface RoomShape {
+        id: string;
+        sourceUrl?: string;
+        channels?: ChannelShape[];
+      }
+
+      interface UserShape {
+        id: string;
+      }
+
+      interface ChannelSidebarComponent {
+        currentRoom: () => RoomShape | null;
+        currentUser: () => UserShape | null;
+      }
+
+      interface AngularDebugApi {
+        getComponent: (element: Element) => ChannelSidebarComponent;
+      }
+
+      interface WindowWithAngularDebug extends Window {
+        ng?: AngularDebugApi;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as WindowWithAngularDebug).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        throw new Error('Angular debug API unavailable for channel persistence');
+      }
+
+      const component = debugApi.getComponent(host);
+      const room = component.currentRoom();
+      const currentUser = component.currentUser();
+      const endpoints = JSON.parse(localStorage.getItem('metoyou_server_endpoints') || '[]') as ServerEndpoint[];
+      const activeEndpoint = endpoints.find((endpoint) => endpoint.isActive) || endpoints[0] || null;
+      const apiBaseUrl = room?.sourceUrl || activeEndpoint?.url;
+      const normalizedChannelName = requestedChannelName.trim().replace(/\s+/g, ' ');
+      const existingChannels = Array.isArray(room?.channels) ? room.channels : [];
+      const hasTextChannel = existingChannels.some((channel) =>
+        channel.type === 'text' && channel.name.trim().toLowerCase() === normalizedChannelName.toLowerCase()
+      );
+      const nextChannels = hasTextChannel
+        ? existingChannels
+        : [
+          ...existingChannels,
+          {
+            id: globalThis.crypto.randomUUID(),
+            name: normalizedChannelName,
+            type: 'text' as const,
+            position: existingChannels.length
+          }
+        ];
+
+      if (!room?.id || !currentUser?.id || !apiBaseUrl) {
+        throw new Error('Missing room, user, or endpoint when persisting channels');
+      }
+
+      const response = await fetch(`${apiBaseUrl}/api/servers/${room.id}`, {
+        method: 'PUT',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+          currentOwnerId: currentUser.id,
+          channels: nextChannels
+        })
+      });
+
+      if (!response.ok) {
+        throw new Error(`Failed to persist channels: ${response.status}`);
+      }
+
+      return { roomId: room.id, channels: nextChannels };
+    }, channelName);
+
+    // Update NGRX store directly so the UI reflects the new channel
+    // immediately, without waiting for an async effect round-trip.
+    await this.dispatchRoomChannelsUpdate(result.roomId, result.channels);
+  }
+
+  private async dispatchRoomChannelsUpdate(
+    roomId: string,
+    channels: { id: string; name: string; type: string; position: number }[]
+  ): Promise<void> {
+    await this.page.evaluate(({ rid, chs }) => {
+      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;
+      }
+
+      const component = debugApi.getComponent(host);
+      const store = component['store'] as { dispatch: (a: Record<string, unknown>) => void } | undefined;
+
+      if (store?.dispatch) {
+        store.dispatch({
+          type: '[Rooms] Update Room',
+          roomId: rid,
+          changes: { channels: chs }
+        });
+      }
+    }, { rid: roomId, chs: channels });
+  }
+
+  private async refreshRoomMetadata(): Promise<void> {
+    await this.page.evaluate(async () => {
+      interface ServerEndpoint {
+        isActive?: boolean;
+        url: string;
+      }
+
+      interface ChannelShape {
+        id: string;
+        name: string;
+        type: 'text' | 'voice';
+        position: number;
+      }
+
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      interface WindowWithAngularDebug extends Window {
+        ng?: AngularDebugApi;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as WindowWithAngularDebug).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        throw new Error('Angular debug API unavailable for room refresh');
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = typeof component['currentRoom'] === 'function'
+        ? (component['currentRoom'] as () => { id: string; sourceUrl?: string; channels?: ChannelShape[] } | null)()
+        : null;
+
+      if (!currentRoom) {
+        throw new Error('No current room to refresh');
+      }
+
+      const store = component['store'] as { dispatch: (action: Record<string, unknown>) => void } | undefined;
+
+      if (!store?.dispatch) {
+        throw new Error('NGRX store not available on component');
+      }
+
+      // Fetch server data directly via REST API instead of triggering
+      // an async NGRX effect that can race with pending writes.
+      const endpoints = JSON.parse(localStorage.getItem('metoyou_server_endpoints') || '[]') as ServerEndpoint[];
+      const activeEndpoint = endpoints.find((ep) => ep.isActive) || endpoints[0] || null;
+      const apiBaseUrl = currentRoom.sourceUrl || activeEndpoint?.url;
+
+      if (!apiBaseUrl) {
+        throw new Error('No API base URL available for room refresh');
+      }
+
+      const response = await fetch(`${apiBaseUrl}/api/servers/${currentRoom.id}`);
+
+      if (response.ok) {
+        const serverData = await response.json() as { channels?: ChannelShape[] };
+
+        if (serverData.channels?.length) {
+          store.dispatch({
+            type: '[Rooms] Update Room',
+            roomId: currentRoom.id,
+            changes: { channels: serverData.channels }
+          });
+        }
+      }
+    });
+
+    // Brief wait for Angular change detection to propagate
+    await this.page.waitForTimeout(500);
+  }
+}
+
+function escapeRegExp(value: string): string {
+  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+}

e2e/pages/login.page.ts

@@ -0,0 +1,29 @@
+import { type Page, type Locator } from '@playwright/test';
+
+export class LoginPage {
+  readonly usernameInput: Locator;
+  readonly passwordInput: Locator;
+  readonly serverSelect: Locator;
+  readonly submitButton: Locator;
+  readonly errorText: Locator;
+  readonly registerLink: Locator;
+
+  constructor(private page: Page) {
+    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.errorText = page.locator('.text-destructive');
+    this.registerLink = page.getByRole('button', { name: 'Register' });
+  }
+
+  async goto() {
+    await this.page.goto('/login');
+  }
+
+  async login(username: string, password: string) {
+    await this.usernameInput.fill(username);
+    await this.passwordInput.fill(password);
+    await this.submitButton.click();
+  }
+}

e2e/pages/register.page.ts

@@ -0,0 +1,45 @@
+import { expect, type Page, type Locator } from '@playwright/test';
+
+export class RegisterPage {
+  readonly usernameInput: Locator;
+  readonly displayNameInput: Locator;
+  readonly passwordInput: Locator;
+  readonly serverSelect: Locator;
+  readonly submitButton: Locator;
+  readonly errorText: Locator;
+  readonly loginLink: Locator;
+
+  constructor(private page: Page) {
+    this.usernameInput = page.locator('#register-username');
+    this.displayNameInput = page.locator('#register-display-name');
+    this.passwordInput = page.locator('#register-password');
+    this.serverSelect = page.locator('#register-server');
+    this.submitButton = page.getByRole('button', { name: 'Create Account' });
+    this.errorText = page.locator('.text-destructive');
+    this.loginLink = page.getByRole('button', { name: 'Login' });
+  }
+
+  async goto() {
+    await this.page.goto('/register', { waitUntil: 'domcontentloaded' });
+
+    try {
+      await expect(this.usernameInput).toBeVisible({ timeout: 10_000 });
+    } catch {
+      // Angular router may redirect to /login on first load; click through.
+      const registerLink = this.page.getByRole('link', { name: 'Register' })
+        .or(this.page.getByText('Register'));
+
+      await registerLink.first().click();
+      await expect(this.usernameInput).toBeVisible({ timeout: 30_000 });
+    }
+
+    await expect(this.submitButton).toBeVisible({ timeout: 30_000 });
+  }
+
+  async register(username: string, displayName: string, password: string) {
+    await this.usernameInput.fill(username);
+    await this.displayNameInput.fill(displayName);
+    await this.passwordInput.fill(password);
+    await this.submitButton.click();
+  }
+}

e2e/pages/server-search.page.ts

@@ -0,0 +1,65 @@
+import {
+  type Page,
+  type Locator,
+  expect
+} from '@playwright/test';
+
+export class ServerSearchPage {
+  readonly searchInput: Locator;
+  readonly createServerButton: Locator;
+  readonly settingsButton: Locator;
+
+  // Create server dialog
+  readonly serverNameInput: Locator;
+  readonly serverDescriptionInput: Locator;
+  readonly serverTopicInput: Locator;
+  readonly signalEndpointSelect: Locator;
+  readonly privateCheckbox: Locator;
+  readonly serverPasswordInput: Locator;
+  readonly dialogCreateButton: Locator;
+  readonly dialogCancelButton: Locator;
+
+  constructor(private page: Page) {
+    this.searchInput = page.getByPlaceholder('Search servers...');
+    this.createServerButton = page.getByRole('button', { name: 'Create New Server' });
+    this.settingsButton = page.locator('button[title="Settings"]');
+
+    // Create dialog elements
+    this.serverNameInput = page.locator('#create-server-name');
+    this.serverDescriptionInput = page.locator('#create-server-description');
+    this.serverTopicInput = page.locator('#create-server-topic');
+    this.signalEndpointSelect = page.locator('#create-server-signal-endpoint');
+    this.privateCheckbox = page.locator('#private');
+    this.serverPasswordInput = page.locator('#create-server-password');
+    this.dialogCreateButton = page.locator('div[role="dialog"]').getByRole('button', { name: 'Create' });
+    this.dialogCancelButton = page.locator('div[role="dialog"]').getByRole('button', { name: 'Cancel' });
+  }
+
+  async goto() {
+    await this.page.goto('/search');
+  }
+
+  async createServer(name: string, options?: { description?: string; topic?: string }) {
+    await this.createServerButton.click();
+    await expect(this.serverNameInput).toBeVisible();
+    await this.serverNameInput.fill(name);
+
+    if (options?.description) {
+      await this.serverDescriptionInput.fill(options.description);
+    }
+
+    if (options?.topic) {
+      await this.serverTopicInput.fill(options.topic);
+    }
+
+    await this.dialogCreateButton.click();
+  }
+
+  async joinSavedRoom(name: string) {
+    await this.page.getByRole('button', { name }).click();
+  }
+
+  async joinServerFromSearch(name: string) {
+    await this.page.locator('button', { hasText: name }).click();
+  }
+}

e2e/playwright.config.ts

@@ -0,0 +1,39 @@
+import { defineConfig, devices } from '@playwright/test';
+
+export default defineConfig({
+  testDir: './tests',
+  timeout: 90_000,
+  expect: { timeout: 10_000 },
+  retries: process.env.CI ? 2 : 0,
+  workers: 1,
+  reporter: [['html', { outputFolder: '../test-results/html-report' }], ['list']],
+  outputDir: '../test-results/artifacts',
+  use: {
+    baseURL: 'http://localhost:4200',
+    trace: 'on-first-retry',
+    screenshot: 'only-on-failure',
+    video: 'on-first-retry',
+    actionTimeout: 15_000,
+  },
+  projects: [
+    {
+      name: 'chromium',
+      use: {
+        ...devices['Desktop Chrome'],
+        permissions: ['microphone', 'camera'],
+        launchOptions: {
+          args: [
+            '--use-fake-device-for-media-stream',
+            '--use-fake-ui-for-media-stream',
+          ],
+        },
+      },
+    },
+  ],
+  webServer: {
+    command: 'cd ../toju-app && npx ng serve',
+    port: 4200,
+    reuseExistingServer: !process.env.CI,
+    timeout: 120_000,
+  },
+});

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

@@ -0,0 +1,295 @@
+import { type Page } from '@playwright/test';
+import { test, expect, 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,
+  type ChatDropFilePayload
+} from '../../pages/chat-messages.page';
+
+const MOCK_EMBED_URL = 'https://example.test/mock-embed';
+const MOCK_EMBED_TITLE = 'Mock Embed Title';
+const MOCK_EMBED_DESCRIPTION = 'Mock embed description for chat E2E coverage.';
+const MOCK_GIF_IMAGE_URL = 'data:image/gif;base64,R0lGODlhAQABAPAAAP///wAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==';
+const DELETED_MESSAGE_CONTENT = '[Message deleted]';
+
+test.describe('Chat messaging features', () => {
+  test.describe.configure({ timeout: 180_000 });
+
+  test('syncs messages in a newly created text channel', async ({ createClient }) => {
+    const scenario = await createChatScenario(createClient);
+    const channelName = uniqueName('updates');
+    const aliceMessage = `Alice text channel message ${uniqueName('msg')}`;
+    const bobMessage = `Bob text channel reply ${uniqueName('msg')}`;
+
+    await test.step('Alice creates a new text channel and both users join it', async () => {
+      await scenario.aliceRoom.ensureTextChannelExists(channelName);
+      await scenario.aliceRoom.joinTextChannel(channelName);
+      await scenario.bobRoom.joinTextChannel(channelName);
+    });
+
+    await test.step('Alice and Bob see synced messages in the new text channel', async () => {
+      await scenario.aliceMessages.sendMessage(aliceMessage);
+      await expect(scenario.bobMessages.getMessageItemByText(aliceMessage)).toBeVisible({ timeout: 20_000 });
+
+      await scenario.bobMessages.sendMessage(bobMessage);
+      await expect(scenario.aliceMessages.getMessageItemByText(bobMessage)).toBeVisible({ timeout: 20_000 });
+    });
+  });
+
+  test('shows typing indicators to other users', async ({ createClient }) => {
+    const scenario = await createChatScenario(createClient);
+    const draftMessage = `Typing indicator draft ${uniqueName('draft')}`;
+
+    await test.step('Alice starts typing in general channel', async () => {
+      await scenario.aliceMessages.typeDraft(draftMessage);
+    });
+
+    await test.step('Bob sees Alice typing', async () => {
+      await expect(scenario.bob.page.getByText('Alice is typing...')).toBeVisible({ timeout: 10_000 });
+    });
+  });
+
+  test('edits and removes messages for both users', async ({ createClient }) => {
+    const scenario = await createChatScenario(createClient);
+    const originalMessage = `Editable message ${uniqueName('edit')}`;
+    const updatedMessage = `Edited message ${uniqueName('edit')}`;
+
+    await test.step('Alice sends a message and Bob receives it', async () => {
+      await scenario.aliceMessages.sendMessage(originalMessage);
+      await expect(scenario.bobMessages.getMessageItemByText(originalMessage)).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Alice edits the message and both users see updated content', async () => {
+      await scenario.aliceMessages.editOwnMessage(originalMessage, updatedMessage);
+      await expect(scenario.aliceMessages.getMessageItemByText(updatedMessage)).toBeVisible({ timeout: 20_000 });
+      await expect(scenario.alice.page.getByText('(edited)')).toBeVisible({ timeout: 10_000 });
+      await expect(scenario.bobMessages.getMessageItemByText(updatedMessage)).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Alice deletes the message and both users see deletion state', async () => {
+      await scenario.aliceMessages.deleteOwnMessage(updatedMessage);
+      await expect(scenario.aliceMessages.getMessageItemByText(DELETED_MESSAGE_CONTENT)).toBeVisible({ timeout: 20_000 });
+      await expect(scenario.bobMessages.getMessageItemByText(DELETED_MESSAGE_CONTENT)).toBeVisible({ timeout: 20_000 });
+    });
+  });
+
+  test('syncs image and file attachments between users', async ({ createClient }) => {
+    const scenario = await createChatScenario(createClient);
+    const imageName = `${uniqueName('diagram')}.svg`;
+    const fileName = `${uniqueName('notes')}.txt`;
+    const imageCaption = `Image upload ${uniqueName('caption')}`;
+    const fileCaption = `File upload ${uniqueName('caption')}`;
+    const imageAttachment = createTextFilePayload(imageName, 'image/svg+xml', buildMockSvgMarkup(imageName));
+    const fileAttachment = createTextFilePayload(fileName, 'text/plain', `Attachment body for ${fileName}`);
+
+    await test.step('Alice sends image attachment and Bob receives it', async () => {
+      await scenario.aliceMessages.attachFiles([imageAttachment]);
+      await scenario.aliceMessages.sendMessage(imageCaption);
+
+      await scenario.aliceMessages.expectMessageImageLoaded(imageName);
+      await expect(scenario.bobMessages.getMessageItemByText(imageCaption)).toBeVisible({ timeout: 20_000 });
+      await scenario.bobMessages.expectMessageImageLoaded(imageName);
+    });
+
+    await test.step('Alice sends generic file attachment and Bob receives it', async () => {
+      await scenario.aliceMessages.attachFiles([fileAttachment]);
+      await scenario.aliceMessages.sendMessage(fileCaption);
+
+      await expect(scenario.bobMessages.getMessageItemByText(fileCaption)).toBeVisible({ timeout: 20_000 });
+      await expect(scenario.bob.page.getByText(fileName, { exact: false })).toBeVisible({ timeout: 20_000 });
+    });
+  });
+
+  test('renders link embeds for shared links', async ({ createClient }) => {
+    const scenario = await createChatScenario(createClient);
+    const messageText = `Useful docs ${MOCK_EMBED_URL}`;
+
+    await test.step('Alice shares a link in chat', async () => {
+      await scenario.aliceMessages.sendMessage(messageText);
+      await expect(scenario.bobMessages.getMessageItemByText(messageText)).toBeVisible({ timeout: 20_000 });
+    });
+
+    await test.step('Both users see mocked link embed metadata', async () => {
+      await expect(scenario.aliceMessages.getEmbedCardByTitle(MOCK_EMBED_TITLE)).toBeVisible({ timeout: 20_000 });
+      await expect(scenario.bobMessages.getEmbedCardByTitle(MOCK_EMBED_TITLE)).toBeVisible({ timeout: 20_000 });
+      await expect(scenario.bob.page.getByText(MOCK_EMBED_DESCRIPTION)).toBeVisible({ timeout: 20_000 });
+    });
+  });
+
+  test('sends KLIPY GIF messages with mocked API responses', async ({ createClient }) => {
+    const scenario = await createChatScenario(createClient);
+
+    await test.step('Alice opens GIF picker and sends mocked GIF', async () => {
+      await scenario.aliceMessages.openGifPicker();
+      await scenario.aliceMessages.selectFirstGif();
+    });
+
+    await test.step('Bob sees GIF message sync', async () => {
+      await scenario.aliceMessages.expectMessageImageLoaded('KLIPY GIF');
+      await scenario.bobMessages.expectMessageImageLoaded('KLIPY GIF');
+    });
+  });
+});
+
+type ChatScenario = {
+  alice: Client;
+  bob: Client;
+  aliceRoom: ChatRoomPage;
+  bobRoom: ChatRoomPage;
+  aliceMessages: ChatMessagesPage;
+  bobMessages: ChatMessagesPage;
+};
+
+async function createChatScenario(createClient: () => Promise<Client>): Promise<ChatScenario> {
+  const suffix = uniqueName('chat');
+  const serverName = `Chat Server ${suffix}`;
+  const aliceCredentials = {
+    username: `alice_${suffix}`,
+    displayName: 'Alice',
+    password: 'TestPass123!'
+  };
+  const bobCredentials = {
+    username: `bob_${suffix}`,
+    displayName: 'Bob',
+    password: 'TestPass123!'
+  };
+  const alice = await createClient();
+  const bob = await createClient();
+
+  await installChatFeatureMocks(alice.page);
+  await installChatFeatureMocks(bob.page);
+
+  const aliceRegisterPage = new RegisterPage(alice.page);
+  const bobRegisterPage = new RegisterPage(bob.page);
+
+  await aliceRegisterPage.goto();
+  await aliceRegisterPage.register(
+    aliceCredentials.username,
+    aliceCredentials.displayName,
+    aliceCredentials.password
+  );
+  await expect(alice.page).toHaveURL(/\/search/, { timeout: 15_000 });
+
+  await bobRegisterPage.goto();
+  await bobRegisterPage.register(
+    bobCredentials.username,
+    bobCredentials.displayName,
+    bobCredentials.password
+  );
+  await expect(bob.page).toHaveURL(/\/search/, { timeout: 15_000 });
+
+  const aliceSearchPage = new ServerSearchPage(alice.page);
+
+  await aliceSearchPage.createServer(serverName, {
+    description: 'E2E chat server for messaging feature coverage'
+  });
+  await expect(alice.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+
+  const bobSearchPage = new ServerSearchPage(bob.page);
+  const serverCard = bob.page.locator('button', { hasText: serverName }).first();
+
+  await bobSearchPage.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();
+
+  return {
+    alice,
+    bob,
+    aliceRoom,
+    bobRoom,
+    aliceMessages,
+    bobMessages
+  };
+}
+
+async function installChatFeatureMocks(page: Page): Promise<void> {
+  await page.route('**/api/klipy/config', async (route) => {
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify({ enabled: true })
+    });
+  });
+
+  await page.route('**/api/klipy/gifs**', async (route) => {
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify({
+        enabled: true,
+        hasNext: false,
+        results: [
+          {
+            id: 'mock-gif-1',
+            slug: 'mock-gif-1',
+            title: 'Mock Celebration GIF',
+            url: MOCK_GIF_IMAGE_URL,
+            previewUrl: MOCK_GIF_IMAGE_URL,
+            width: 64,
+            height: 64
+          }
+        ]
+      })
+    });
+  });
+
+  await page.route('**/api/link-metadata**', async (route) => {
+    const requestUrl = new URL(route.request().url());
+    const requestedTargetUrl = requestUrl.searchParams.get('url') ?? '';
+
+    if (requestedTargetUrl === MOCK_EMBED_URL) {
+      await route.fulfill({
+        status: 200,
+        contentType: 'application/json',
+        body: JSON.stringify({
+          title: MOCK_EMBED_TITLE,
+          description: MOCK_EMBED_DESCRIPTION,
+          imageUrl: MOCK_GIF_IMAGE_URL,
+          siteName: 'Mock Docs'
+        })
+      });
+      return;
+    }
+
+    await route.fulfill({
+      status: 200,
+      contentType: 'application/json',
+      body: JSON.stringify({ failed: true })
+    });
+  });
+}
+
+function createTextFilePayload(name: string, mimeType: string, content: string): ChatDropFilePayload {
+  return {
+    name,
+    mimeType,
+    base64: Buffer.from(content, 'utf8').toString('base64')
+  };
+}
+
+function buildMockSvgMarkup(label: string): string {
+  return [
+    '<svg xmlns="http://www.w3.org/2000/svg" width="160" height="120" viewBox="0 0 160 120">',
+    '<rect width="160" height="120" rx="18" fill="#0f172a" />',
+    '<circle cx="38" cy="36" r="18" fill="#38bdf8" />',
+    '<rect x="66" y="28" width="64" height="16" rx="8" fill="#f8fafc" />',
+    '<rect x="24" y="74" width="112" height="12" rx="6" fill="#22c55e" />',
+    `<text x="24" y="104" fill="#e2e8f0" font-size="12" font-family="Arial, sans-serif">${label}</text>`,
+    '</svg>'
+  ].join('');
+}
+
+function uniqueName(prefix: string): string {
+  return `${prefix}-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+}

e2e/tests/screen-share/screen-share.spec.ts

@@ -0,0 +1,396 @@
+import { test, expect } from '../../fixtures/multi-client';
+import {
+  installWebRTCTracking,
+  waitForPeerConnected,
+  isPeerStillConnected,
+  waitForAudioFlow,
+  waitForAudioStatsPresent,
+  waitForVideoFlow,
+  waitForOutboundVideoFlow,
+  waitForInboundVideoFlow,
+  dumpRtcDiagnostics
+} from '../../helpers/webrtc-helpers';
+import { RegisterPage } from '../../pages/register.page';
+import { ServerSearchPage } from '../../pages/server-search.page';
+import { ChatRoomPage } from '../../pages/chat-room.page';
+
+/**
+ * Screen sharing E2E tests: verify video, screen-share audio, and voice audio
+ * flow correctly between users during screen sharing.
+ *
+ * Uses the same dedicated-browser-per-client infrastructure as voice tests.
+ * getDisplayMedia is monkey-patched to return a synthetic canvas video stream
+ * + 880 Hz oscillator audio, bypassing the browser picker dialog.
+ */
+
+const ALICE = { username: `alice_ss_${Date.now()}`, displayName: 'Alice', password: 'TestPass123!' };
+const BOB = { username: `bob_ss_${Date.now()}`, displayName: 'Bob', password: 'TestPass123!' };
+const SERVER_NAME = `SS Test ${Date.now()}`;
+const VOICE_CHANNEL = 'General';
+
+/** Register a user and navigate to /search. */
+async function registerUser(page: import('@playwright/test').Page, user: typeof ALICE) {
+  const registerPage = new RegisterPage(page);
+
+  await registerPage.goto();
+  await expect(registerPage.submitButton).toBeVisible();
+  await registerPage.register(user.username, user.displayName, user.password);
+  await expect(page).toHaveURL(/\/search/, { timeout: 15_000 });
+}
+
+/** Both users register → Alice creates server → Bob joins. */
+async function setupServerWithBothUsers(
+  alice: { page: import('@playwright/test').Page },
+  bob: { page: import('@playwright/test').Page }
+) {
+  await registerUser(alice.page, ALICE);
+  await registerUser(bob.page, BOB);
+
+  // Alice creates server
+  const aliceSearch = new ServerSearchPage(alice.page);
+
+  await aliceSearch.createServer(SERVER_NAME, { description: 'Screen share E2E' });
+  await expect(alice.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+
+  // Bob joins server
+  const bobSearch = new ServerSearchPage(bob.page);
+
+  await bobSearch.searchInput.fill(SERVER_NAME);
+
+  const serverCard = bob.page.locator('button', { hasText: SERVER_NAME }).first();
+
+  await expect(serverCard).toBeVisible({ timeout: 10_000 });
+  await serverCard.click();
+  await expect(bob.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+}
+
+/** Ensure voice channel exists and both users join it. */
+async function joinVoiceTogether(
+  alice: { page: import('@playwright/test').Page },
+  bob: { page: import('@playwright/test').Page }
+) {
+  const aliceRoom = new ChatRoomPage(alice.page);
+  const existingChannel = alice.page
+    .locator('app-rooms-side-panel')
+    .getByRole('button', { name: VOICE_CHANNEL, exact: true });
+
+  if (await existingChannel.count() === 0) {
+    await aliceRoom.openCreateVoiceChannelDialog();
+    await aliceRoom.createChannel(VOICE_CHANNEL);
+    await expect(existingChannel).toBeVisible({ timeout: 10_000 });
+  }
+
+  await aliceRoom.joinVoiceChannel(VOICE_CHANNEL);
+  await expect(alice.page.locator('app-voice-controls')).toBeVisible({ timeout: 15_000 });
+
+  const bobRoom = new ChatRoomPage(bob.page);
+
+  await bobRoom.joinVoiceChannel(VOICE_CHANNEL);
+  await expect(bob.page.locator('app-voice-controls')).toBeVisible({ timeout: 15_000 });
+
+  // Wait for WebRTC + audio pipeline
+  await waitForPeerConnected(alice.page, 30_000);
+  await waitForPeerConnected(bob.page, 30_000);
+  await waitForAudioStatsPresent(alice.page, 20_000);
+  await waitForAudioStatsPresent(bob.page, 20_000);
+
+  // Expand voice workspace on both clients so the demand-driven screen
+  // share request flow can fire (requires connectRemoteShares = true).
+  // Click the "VIEW" badge that appears next to the active voice channel.
+  const aliceView = alice.page.locator('app-rooms-side-panel')
+    .getByRole('button', { name: /view/i })
+    .first();
+  const bobView = bob.page.locator('app-rooms-side-panel')
+    .getByRole('button', { name: /view/i })
+    .first();
+
+  await expect(aliceView).toBeVisible({ timeout: 10_000 });
+  await aliceView.click();
+  await expect(alice.page.locator('app-voice-workspace')).toBeVisible({ timeout: 10_000 });
+
+  await expect(bobView).toBeVisible({ timeout: 10_000 });
+  await bobView.click();
+  await expect(bob.page.locator('app-voice-workspace')).toBeVisible({ timeout: 10_000 });
+
+  // Re-verify audio stats are present after workspace expansion (the VIEW
+  // click can trigger renegotiation which briefly disrupts audio).
+  await waitForAudioStatsPresent(alice.page, 20_000);
+  await waitForAudioStatsPresent(bob.page, 20_000);
+}
+
+function expectFlowing(
+  delta: { outboundBytesDelta: number; inboundBytesDelta: number; outboundPacketsDelta: number; inboundPacketsDelta: number },
+  label: string
+) {
+  expect(
+    delta.outboundBytesDelta > 0 || delta.outboundPacketsDelta > 0,
+    `${label} should be sending`
+  ).toBe(true);
+
+  expect(
+    delta.inboundBytesDelta > 0 || delta.inboundPacketsDelta > 0,
+    `${label} should be receiving`
+  ).toBe(true);
+}
+
+test.describe('Screen sharing', () => {
+  test('single user screen share: video and audio flow to receiver, voice audio continues', async ({ createClient }) => {
+    test.setTimeout(180_000);
+
+    const alice = await createClient();
+    const bob = await createClient();
+
+    await installWebRTCTracking(alice.page);
+    await installWebRTCTracking(bob.page);
+
+    alice.page.on('console', msg => console.log('[Alice]', msg.text()));
+    bob.page.on('console', msg => console.log('[Bob]', msg.text()));
+
+    // ── Setup: register, server, voice ────────────────────────────
+
+    await test.step('Setup server and voice channel', async () => {
+      await setupServerWithBothUsers(alice, bob);
+      await joinVoiceTogether(alice, bob);
+    });
+
+    // ── Verify voice audio before screen share ────────────────────
+
+    await test.step('Voice audio flows before screen share', async () => {
+      const aliceDelta = await waitForAudioFlow(alice.page, 30_000);
+      const bobDelta = await waitForAudioFlow(bob.page, 30_000);
+
+      expectFlowing(aliceDelta, 'Alice voice');
+      expectFlowing(bobDelta, 'Bob voice');
+    });
+
+    // ── Alice starts screen sharing ───────────────────────────────
+
+    await test.step('Alice starts screen sharing', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      await aliceRoom.startScreenShare();
+
+      // Screen share button should show active state (MonitorOff icon)
+      await expect(aliceRoom.isScreenShareActive).toBeVisible({ timeout: 10_000 });
+    });
+
+    // ── Verify screen share video flows ───────────────────────────
+
+    await test.step('Screen share video flows from Alice to Bob', async () => {
+      // Screen share is unidirectional: Alice sends video, Bob receives it.
+      const aliceVideo = await waitForOutboundVideoFlow(alice.page, 30_000);
+      const bobVideo = await waitForInboundVideoFlow(bob.page, 30_000);
+
+      if (aliceVideo.outboundBytesDelta === 0 || bobVideo.inboundBytesDelta === 0) {
+        console.log('[Alice RTC]\n' + await dumpRtcDiagnostics(alice.page));
+        console.log('[Bob RTC]\n' + await dumpRtcDiagnostics(bob.page));
+      }
+
+      expect(
+        aliceVideo.outboundBytesDelta > 0 || aliceVideo.outboundPacketsDelta > 0,
+        'Alice should be sending screen share video'
+      ).toBe(true);
+
+      expect(
+        bobVideo.inboundBytesDelta > 0 || bobVideo.inboundPacketsDelta > 0,
+        'Bob should be receiving screen share video'
+      ).toBe(true);
+    });
+
+    // ── Verify voice audio continues during screen share ──────────
+
+    await test.step('Voice audio continues during screen share', async () => {
+      const aliceAudio = await waitForAudioFlow(alice.page, 20_000);
+      const bobAudio = await waitForAudioFlow(bob.page, 20_000);
+
+      expectFlowing(aliceAudio, 'Alice voice during screen share');
+      expectFlowing(bobAudio, 'Bob voice during screen share');
+    });
+
+    // ── Bob can hear Alice talk while she screen shares ───────────
+
+    await test.step('Bob receives audio from Alice during screen share', async () => {
+      // Specifically check Bob is receiving audio (from Alice's voice)
+      const bobAudio = await waitForAudioFlow(bob.page, 15_000);
+
+      expect(
+        bobAudio.inboundBytesDelta > 0,
+        'Bob should receive voice audio while Alice screen shares'
+      ).toBe(true);
+    });
+
+    // ── Alice stops screen sharing ────────────────────────────────
+
+    await test.step('Alice stops screen sharing', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      await aliceRoom.stopScreenShare();
+
+      // Active icon should disappear - regular Monitor icon shown instead
+      await expect(
+        aliceRoom.voiceControls.locator('button:has(ng-icon[name="lucideMonitor"])').first()
+      ).toBeVisible({ timeout: 10_000 });
+    });
+
+    // ── Voice audio still works after screen share ends ───────────
+
+    await test.step('Voice audio resumes normally after screen share stops', async () => {
+      const aliceAudio = await waitForAudioFlow(alice.page, 20_000);
+      const bobAudio = await waitForAudioFlow(bob.page, 20_000);
+
+      expectFlowing(aliceAudio, 'Alice voice after screen share');
+      expectFlowing(bobAudio, 'Bob voice after screen share');
+    });
+  });
+
+  test('multiple users screen share simultaneously', async ({ createClient }) => {
+    test.setTimeout(180_000);
+
+    const alice = await createClient();
+    const bob = await createClient();
+
+    await installWebRTCTracking(alice.page);
+    await installWebRTCTracking(bob.page);
+
+    alice.page.on('console', msg => console.log('[Alice]', msg.text()));
+    bob.page.on('console', msg => console.log('[Bob]', msg.text()));
+
+    await test.step('Setup server and voice channel', async () => {
+      await setupServerWithBothUsers(alice, bob);
+      await joinVoiceTogether(alice, bob);
+    });
+
+    // ── Both users start screen sharing ───────────────────────────
+
+    await test.step('Alice starts screen sharing', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      await aliceRoom.startScreenShare();
+      await expect(aliceRoom.isScreenShareActive).toBeVisible({ timeout: 10_000 });
+    });
+
+    await test.step('Bob starts screen sharing', async () => {
+      const bobRoom = new ChatRoomPage(bob.page);
+
+      await bobRoom.startScreenShare();
+      await expect(bobRoom.isScreenShareActive).toBeVisible({ timeout: 10_000 });
+    });
+
+    // ── Verify video flows in both directions ─────────────────────
+
+    await test.step('Video flows bidirectionally with both screen shares active', async () => {
+      // Both sharing: each page sends and receives video
+      const aliceVideo = await waitForVideoFlow(alice.page, 30_000);
+      const bobVideo = await waitForVideoFlow(bob.page, 30_000);
+
+      expectFlowing(aliceVideo, 'Alice screen share video');
+      expectFlowing(bobVideo, 'Bob screen share video');
+    });
+
+    // ── Voice audio continues with dual screen shares ─────────────
+
+    await test.step('Voice audio continues with both users screen sharing', async () => {
+      const aliceAudio = await waitForAudioFlow(alice.page, 20_000);
+      const bobAudio = await waitForAudioFlow(bob.page, 20_000);
+
+      expectFlowing(aliceAudio, 'Alice voice during dual screen share');
+      expectFlowing(bobAudio, 'Bob voice during dual screen share');
+    });
+
+    // ── Both stop screen sharing ──────────────────────────────────
+
+    await test.step('Both users stop screen sharing', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+      const bobRoom = new ChatRoomPage(bob.page);
+
+      await aliceRoom.stopScreenShare();
+      await expect(
+        aliceRoom.voiceControls.locator('button:has(ng-icon[name="lucideMonitor"])').first()
+      ).toBeVisible({ timeout: 10_000 });
+
+      await bobRoom.stopScreenShare();
+      await expect(
+        bobRoom.voiceControls.locator('button:has(ng-icon[name="lucideMonitor"])').first()
+      ).toBeVisible({ timeout: 10_000 });
+    });
+  });
+
+  test('screen share connection stays stable for 10+ seconds', async ({ createClient }) => {
+    test.setTimeout(180_000);
+
+    const alice = await createClient();
+    const bob = await createClient();
+
+    await installWebRTCTracking(alice.page);
+    await installWebRTCTracking(bob.page);
+
+    alice.page.on('console', msg => console.log('[Alice]', msg.text()));
+    bob.page.on('console', msg => console.log('[Bob]', msg.text()));
+
+    await test.step('Setup server and voice channel', async () => {
+      await setupServerWithBothUsers(alice, bob);
+      await joinVoiceTogether(alice, bob);
+    });
+
+    await test.step('Alice starts screen sharing', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      await aliceRoom.startScreenShare();
+      await expect(aliceRoom.isScreenShareActive).toBeVisible({ timeout: 10_000 });
+
+      // Wait for video pipeline to fully establish
+      await waitForOutboundVideoFlow(alice.page, 30_000);
+      await waitForInboundVideoFlow(bob.page, 30_000);
+    });
+
+    // ── Stability checkpoints at 0s, 5s, 10s ─────────────────────
+
+    await test.step('Connection stays stable for 10+ seconds during screen share', async () => {
+      for (const checkpoint of [
+        0,
+        5_000,
+        5_000
+      ]) {
+        if (checkpoint > 0) {
+          await alice.page.waitForTimeout(checkpoint);
+        }
+
+        const aliceConnected = await isPeerStillConnected(alice.page);
+        const bobConnected = await isPeerStillConnected(bob.page);
+
+        expect(aliceConnected, 'Alice should still be connected').toBe(true);
+        expect(bobConnected, 'Bob should still be connected').toBe(true);
+      }
+
+      // After 10s - verify both video and audio still flowing
+      const aliceVideo = await waitForOutboundVideoFlow(alice.page, 15_000);
+      const bobVideo = await waitForInboundVideoFlow(bob.page, 15_000);
+
+      expect(
+        aliceVideo.outboundBytesDelta > 0,
+        'Alice still sending screen share video after 10s'
+      ).toBe(true);
+
+      expect(
+        bobVideo.inboundBytesDelta > 0,
+        'Bob still receiving screen share video after 10s'
+      ).toBe(true);
+
+      const aliceAudio = await waitForAudioFlow(alice.page, 15_000);
+      const bobAudio = await waitForAudioFlow(bob.page, 15_000);
+
+      expectFlowing(aliceAudio, 'Alice voice after 10s screen share');
+      expectFlowing(bobAudio, 'Bob voice after 10s screen share');
+    });
+
+    // ── Clean disconnect ──────────────────────────────────────────
+
+    await test.step('Alice stops screen share and disconnects', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      await aliceRoom.stopScreenShare();
+      await aliceRoom.disconnectButton.click();
+      await expect(aliceRoom.disconnectButton).not.toBeVisible({ timeout: 10_000 });
+    });
+  });
+});

e2e/tests/voice/voice-full-journey.spec.ts

@@ -0,0 +1,260 @@
+import { test, expect } from '../../fixtures/multi-client';
+import {
+  installWebRTCTracking,
+  waitForPeerConnected,
+  isPeerStillConnected,
+  getAudioStatsDelta,
+  waitForAudioFlow,
+  waitForAudioStatsPresent,
+  dumpRtcDiagnostics
+} from '../../helpers/webrtc-helpers';
+import { RegisterPage } from '../../pages/register.page';
+import { ServerSearchPage } from '../../pages/server-search.page';
+import { ChatRoomPage } from '../../pages/chat-room.page';
+
+/**
+ * Full user journey: register → create server → join → voice → verify audio
+ * for 10+ seconds of stable connectivity.
+ *
+ * Uses two independent browser contexts (Alice & Bob) to simulate real
+ * multi-user WebRTC voice chat.
+ */
+
+const ALICE = { username: `alice_${Date.now()}`, displayName: 'Alice', password: 'TestPass123!' };
+const BOB = { username: `bob_${Date.now()}`, displayName: 'Bob', password: 'TestPass123!' };
+const SERVER_NAME = `E2E Test Server ${Date.now()}`;
+const VOICE_CHANNEL = 'General';
+
+test.describe('Full user journey: register → server → voice chat', () => {
+  test('two users register, create server, join voice, and stay connected 10+ seconds with audio', async ({ createClient }) => {
+    test.setTimeout(180_000); // 3 min - covers registration, server creation, voice establishment, and 10s stability check
+
+    const alice = await createClient();
+    const bob = await createClient();
+
+    // Install WebRTC tracking before any navigation
+    await installWebRTCTracking(alice.page);
+    await installWebRTCTracking(bob.page);
+
+    // Forward browser console for debugging
+    alice.page.on('console', msg => console.log('[Alice]', msg.text()));
+    bob.page.on('console', msg => console.log('[Bob]', msg.text()));
+
+    // ── Step 1: Register both users ──────────────────────────────────
+
+    await test.step('Alice registers an account', async () => {
+      const registerPage = new RegisterPage(alice.page);
+
+      await registerPage.goto();
+      await expect(registerPage.submitButton).toBeVisible();
+      await registerPage.register(ALICE.username, ALICE.displayName, ALICE.password);
+
+      // After registration, app should navigate to /search
+      await expect(alice.page).toHaveURL(/\/search/, { timeout: 15_000 });
+    });
+
+    await test.step('Bob registers an account', async () => {
+      const registerPage = new RegisterPage(bob.page);
+
+      await registerPage.goto();
+      await expect(registerPage.submitButton).toBeVisible();
+      await registerPage.register(BOB.username, BOB.displayName, BOB.password);
+
+      await expect(bob.page).toHaveURL(/\/search/, { timeout: 15_000 });
+    });
+
+    // ── Step 2: Alice creates a server ───────────────────────────────
+
+    await test.step('Alice creates a new server', async () => {
+      const searchPage = new ServerSearchPage(alice.page);
+
+      await searchPage.createServer(SERVER_NAME, {
+        description: 'E2E test server for voice testing'
+      });
+
+      // After server creation, app navigates to the room
+      await expect(alice.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+    });
+
+    // ── Step 3: Bob joins the server ─────────────────────────────────
+
+    await test.step('Bob finds and joins the server', async () => {
+      const searchPage = new ServerSearchPage(bob.page);
+
+      // Search for the server
+      await searchPage.searchInput.fill(SERVER_NAME);
+
+      // Wait for search results and click the server
+      const serverCard = bob.page.locator('button', { hasText: SERVER_NAME }).first();
+
+      await expect(serverCard).toBeVisible({ timeout: 10_000 });
+      await serverCard.click();
+
+      // Bob should be in the room now
+      await expect(bob.page).toHaveURL(/\/room\//, { timeout: 15_000 });
+    });
+
+    // ── Step 4: Create a voice channel (if one doesn't exist) ────────
+
+    await test.step('Alice ensures a voice channel is available', async () => {
+      const chatRoom = new ChatRoomPage(alice.page);
+      const existingVoiceChannel = alice.page.locator('app-rooms-side-panel')
+        .getByRole('button', { name: VOICE_CHANNEL, exact: true });
+      const voiceChannelExists = await existingVoiceChannel.count() > 0;
+
+      if (!voiceChannelExists) {
+        // Click "Create Voice Channel" plus button
+        await chatRoom.openCreateVoiceChannelDialog();
+        await chatRoom.createChannel(VOICE_CHANNEL);
+
+        // Wait for the channel to appear
+        await expect(existingVoiceChannel).toBeVisible({ timeout: 10_000 });
+      }
+    });
+
+    // ── Step 5: Both users join the voice channel ────────────────────
+
+    await test.step('Alice joins the voice channel', async () => {
+      const chatRoom = new ChatRoomPage(alice.page);
+
+      await chatRoom.joinVoiceChannel(VOICE_CHANNEL);
+
+      // Voice controls should appear (indicates voice is connected)
+      await expect(alice.page.locator('app-voice-controls')).toBeVisible({ timeout: 15_000 });
+    });
+
+    await test.step('Bob joins the voice channel', async () => {
+      const chatRoom = new ChatRoomPage(bob.page);
+
+      await chatRoom.joinVoiceChannel(VOICE_CHANNEL);
+
+      await expect(bob.page.locator('app-voice-controls')).toBeVisible({ timeout: 15_000 });
+    });
+
+    // ── Step 6: Verify WebRTC connection establishes ─────────────────
+
+    await test.step('WebRTC peer connection reaches "connected" state', async () => {
+      await waitForPeerConnected(alice.page, 30_000);
+      await waitForPeerConnected(bob.page, 30_000);
+
+      // Wait for audio RTP pipeline to appear before measuring deltas -
+      // renegotiation after initial connect can temporarily remove stats.
+      await waitForAudioStatsPresent(alice.page, 20_000);
+      await waitForAudioStatsPresent(bob.page, 20_000);
+    });
+
+    // ── Step 7: Verify audio is flowing in both directions ───────────
+
+    await test.step('Audio packets are flowing between Alice and Bob', async () => {
+      const aliceDelta = await waitForAudioFlow(alice.page, 30_000);
+      const bobDelta = await waitForAudioFlow(bob.page, 30_000);
+
+      if (aliceDelta.outboundBytesDelta === 0 || aliceDelta.inboundBytesDelta === 0
+        || bobDelta.outboundBytesDelta === 0 || bobDelta.inboundBytesDelta === 0) {
+        console.log('[Alice RTC Diagnostics]\n' + await dumpRtcDiagnostics(alice.page));
+        console.log('[Bob RTC Diagnostics]\n' + await dumpRtcDiagnostics(bob.page));
+      }
+
+      expectAudioFlow(aliceDelta, 'Alice');
+      expectAudioFlow(bobDelta, 'Bob');
+    });
+
+    // ── Step 8: Verify UI states are correct ─────────────────────────
+
+    await test.step('Voice UI shows correct state for both users', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+      const bobRoom = new ChatRoomPage(bob.page);
+
+      // Both should see voice controls with "Connected" status
+      await expect(alice.page.locator('app-voice-controls')).toBeVisible();
+      await expect(bob.page.locator('app-voice-controls')).toBeVisible();
+
+      // Both should see the voice workspace or at least voice users listed
+      // Check that both users appear in the voice channel user list
+      const aliceSeesBob = aliceRoom.channelsSidePanel.getByText(BOB.displayName).first();
+      const bobSeesAlice = bobRoom.channelsSidePanel.getByText(ALICE.displayName).first();
+
+      await expect(aliceSeesBob).toBeVisible({ timeout: 10_000 });
+      await expect(bobSeesAlice).toBeVisible({ timeout: 10_000 });
+    });
+
+    // ── Step 9: Stay connected for 10+ seconds, verify stability ─────
+
+    await test.step('Connection remains stable for 10+ seconds', async () => {
+      // Check connectivity at 0s, 5s, and 10s intervals
+      for (const checkpoint of [
+        0,
+        5_000,
+        5_000
+      ]) {
+        if (checkpoint > 0) {
+          await alice.page.waitForTimeout(checkpoint);
+        }
+
+        const aliceConnected = await isPeerStillConnected(alice.page);
+        const bobConnected = await isPeerStillConnected(bob.page);
+
+        expect(aliceConnected, 'Alice should still be connected').toBe(true);
+        expect(bobConnected, 'Bob should still be connected').toBe(true);
+      }
+
+      // After 10s total, verify audio is still flowing
+      const aliceDelta = await waitForAudioFlow(alice.page, 15_000);
+      const bobDelta = await waitForAudioFlow(bob.page, 15_000);
+
+      expectAudioFlow(aliceDelta, 'Alice after 10s');
+      expectAudioFlow(bobDelta, 'Bob after 10s');
+    });
+
+    // ── Step 10: Verify mute/unmute works correctly ──────────────────
+
+    await test.step('Mute toggle works correctly', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      // Alice mutes - click the first button in voice controls (mute button)
+      await aliceRoom.muteButton.click();
+
+      // After muting, Alice's outbound audio should stop increasing
+      // When muted, bytesSent may still show small comfort noise or zero growth
+      // The key assertion is that Bob's inbound for Alice's stream stops or reduces
+      await getAudioStatsDelta(alice.page, 2_000);
+
+      // Alice unmutes
+      await aliceRoom.muteButton.click();
+
+      // After unmuting, outbound should resume
+      const unmutedDelta = await waitForAudioFlow(alice.page, 15_000);
+
+      expectAudioFlow(unmutedDelta, 'Alice after unmuting');
+    });
+
+    // ── Step 11: Clean disconnect ────────────────────────────────────
+
+    await test.step('Alice disconnects from voice', async () => {
+      const aliceRoom = new ChatRoomPage(alice.page);
+
+      // Click the disconnect/hang-up button
+      await aliceRoom.disconnectButton.click();
+
+      // Connected controls should collapse for Alice after disconnect
+      await expect(aliceRoom.disconnectButton).not.toBeVisible({ timeout: 10_000 });
+    });
+  });
+});
+
+function expectAudioFlow(delta: {
+  outboundBytesDelta: number;
+  inboundBytesDelta: number;
+  outboundPacketsDelta: number;
+  inboundPacketsDelta: number;
+}, label: string): void {
+  expect(
+    delta.outboundBytesDelta > 0 || delta.outboundPacketsDelta > 0,
+    `${label} should be sending audio`
+  ).toBe(true);
+
+  expect(
+    delta.inboundBytesDelta > 0 || delta.inboundPacketsDelta > 0,
+    `${label} should be receiving audio`
+  ).toBe(true);
+}