diff --git a/packages/app/e2e/relay-fallback-connect.spec.ts b/packages/app/e2e/relay-fallback-connect.spec.ts
index 7ccd504de..0ca38dc25 100644
--- a/packages/app/e2e/relay-fallback-connect.spec.ts
+++ b/packages/app/e2e/relay-fallback-connect.spec.ts
@@ -35,7 +35,8 @@ test('connects via relay when direct endpoints fail', async ({ page }) => {
   }, host);
   await page.reload();
 
-  // Should eventually connect through the relay candidate URL.
-  await expect(page.getByText('Connected via relay', { exact: true }).first()).toBeVisible({ timeout: 20000 });
-  await expect(page.getByText('Online', { exact: true }).first()).toBeVisible({ timeout: 20000 });
+  // Should eventually connect through the relay connection.
+  const card = page.getByTestId(`daemon-card-${serverId}`);
+  await expect(card.getByText('Relay', { exact: true })).toBeVisible({ timeout: 20000 });
+  await expect(card.getByText('Online', { exact: true })).toBeVisible({ timeout: 20000 });
 });
diff --git a/packages/app/e2e/relay-stability.spec.ts b/packages/app/e2e/relay-stability.spec.ts
new file mode 100644
index 000000000..79b029796
--- /dev/null
+++ b/packages/app/e2e/relay-stability.spec.ts
@@ -0,0 +1,57 @@
+import { test, expect } from './fixtures';
+
+test('relay connection stays stable across multiple tabs', async ({ page }) => {
+  const relayPort = process.env.E2E_RELAY_PORT;
+  const serverId = process.env.E2E_SERVER_ID;
+  const daemonPublicKeyB64 = process.env.E2E_RELAY_DAEMON_PUBLIC_KEY;
+  if (!relayPort || !serverId || !daemonPublicKeyB64) {
+    throw new Error(
+      'E2E_RELAY_PORT, E2E_SERVER_ID, or E2E_RELAY_DAEMON_PUBLIC_KEY is not set (expected from globalSetup).'
+    );
+  }
+
+  const nowIso = new Date().toISOString();
+  const relayEndpoint = `127.0.0.1:${relayPort}`;
+
+  const host = {
+    serverId,
+    label: 'relay-daemon',
+    connections: [
+      { id: 'direct:127.0.0.1:9', type: 'direct', endpoint: '127.0.0.1:9' },
+      { id: `relay:${relayEndpoint}`, type: 'relay', relayEndpoint, daemonPublicKeyB64 },
+    ],
+    preferredConnectionId: 'direct:127.0.0.1:9',
+    createdAt: nowIso,
+    updatedAt: nowIso,
+  };
+
+  // Use relay by making the direct endpoint intentionally fail.
+  await page.goto('/settings');
+  await page.evaluate((daemon) => {
+    const nonce = localStorage.getItem('@paseo:e2e-seed-nonce') ?? '1';
+    localStorage.setItem('@paseo:e2e-disable-default-seed-once', nonce);
+    localStorage.setItem('@paseo:daemon-registry', JSON.stringify([daemon]));
+    localStorage.removeItem('@paseo:settings');
+  }, host);
+  await page.reload();
+
+  const card = page.getByTestId(`daemon-card-${serverId}`);
+  await expect(card.getByText('Relay', { exact: true })).toBeVisible({ timeout: 20000 });
+  await expect(card.getByText('Online', { exact: true })).toBeVisible({ timeout: 20000 });
+
+  // Open a second tab. It should be able to connect independently without forcing disconnect churn.
+  const page2 = await page.context().newPage();
+  await page2.route(/:(6767)\b/, (route) => route.abort());
+  await page2.routeWebSocket(/:(6767)\b/, async (ws) => {
+    await ws.close({ code: 1008, reason: 'Blocked connection to localhost:6767 during e2e.' });
+  });
+  await page2.goto('/settings');
+  const card2 = page2.getByTestId(`daemon-card-${serverId}`);
+  await expect(card2.getByText('Relay', { exact: true })).toBeVisible({ timeout: 20000 });
+  await expect(card2.getByText('Online', { exact: true })).toBeVisible({ timeout: 20000 });
+
+  // Stability window: keep both tabs open and ensure they remain online.
+  await page.waitForTimeout(30_000);
+  await expect(card.getByText('Online', { exact: true })).toBeVisible();
+  await expect(card2.getByText('Online', { exact: true })).toBeVisible();
+});