e2e: smoke + state specs, CI-only against isolated dind stack

playwright.config.ts mirrors Flight-Ops shape (remote browser default ws://192.168.1.4:3000/,
PW_REMOTE_BROWSER=0 local, E2E_BASE_URL/E2E_DEPLOY_CMD optional). smoke.spec.ts: landing
page + scificn components + /api/version. state.spec.ts: mid-run docker compose restart
via E2E_COMPOSE_ARGS, re-asserts the app serves (no auth — single player by design).

e2e/ci-diagnostics.ts

@@ -0,0 +1,36 @@
+// CI-only connectivity diagnostics (globalSetup runs after the e2e stack is ready).
+// Evidence for the Chromium ERR_SSL_PROTOCOL_ERROR hunt: compares node-side resolution/HTTP
+// against Chromium's own navigation, hostname vs static IP. Never fails the run.
+import { promises as dnsPromises } from 'node:dns';
+import { chromium } from '@playwright/test';
+
+export default async function ciDiagnostics() {
+  if (process.env.PW_REMOTE_BROWSER !== '0') return; // local runs: no-op
+  const base = process.env.E2E_BASE_URL ?? '';
+  try {
+    console.log('[diag] node resolve4(app):', JSON.stringify(await dnsPromises.resolve4('app').catch((e) => `failed: ${e.code}`)));
+    try {
+      const r = await fetch(`${base}/api/version`);
+      console.log('[diag] node fetch', base, '->', r.status, JSON.stringify(await r.json().catch(() => null)));
+    } catch (e) {
+      console.log('[diag] node fetch failed:', String(e));
+    }
+    const browser = await chromium.launch();
+    try {
+      for (const url of ['http://app:3000/', base]) {
+        const page = await (await browser.newContext()).newPage();
+        try {
+          await page.goto(url, { timeout: 15_000 });
+          console.log('[diag] chromium goto', url, '-> OK, title:', await page.title().catch(() => '?'));
+        } catch (e) {
+          console.log('[diag] chromium goto', url, '-> FAILED:', String(e).split('\n')[0]);
+        }
+        await page.context().close();
+      }
+    } finally {
+      await browser.close();
+    }
+  } catch (e) {
+    console.log('[diag] diagnostics error (non-fatal):', String(e));
+  }
+}

e2e/smoke.spec.ts

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+import { expect, test } from '@playwright/test';
+
+test('landing page loads with the SpaceWanderer title', async ({ page }) => {
+  await page.goto('/');
+  await expect(page.getByRole('heading', { name: 'SpaceWanderer' })).toBeVisible();
+});
+
+test('scificn-ui themed components render on the landing page', async ({ page }) => {
+  await page.goto('/');
+  // Panel header badge + footer button prove the copy-paste component layer is wired in.
+  await expect(page.getByText('SYS:ONLINE')).toBeVisible();
+  await expect(page.getByRole('button', { name: 'INITIATE' })).toBeVisible();
+});
+
+test('GET /api/version reports the app version as JSON', async ({ page }) => {
+  const res = await page.request.get('/api/version');
+  expect(res.status()).toBe(200);
+  expect(res.headers()['content-type']).toContain('application/json');
+  const body = (await res.json()) as { version: string };
+  expect(body.version).toMatch(/^\d+\.\d+\.\d+$/);
+});

e2e/state.spec.ts

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+import { execSync } from 'node:child_process';
+import path from 'node:path';
+import { expect, test } from '@playwright/test';
+
+// Repo root — docker-compose.yml lives here; `docker compose restart` runs on
+// this host (the test runner), browsers stay remote. CI points E2E_COMPOSE_ARGS at the
+// isolated stack file + project (-f docker-compose.ci.yml -p space-wanderer-ci) instead of the default one.
+const repoRoot = path.join(__dirname, '..');
+const composeArgs = process.env.E2E_COMPOSE_ARGS ?? '';
+
+test('app survives a container restart (stack + volume persistence)', async ({ page }) => {
+  test.setTimeout(180_000);
+
+  // Baseline: the app serves and reports its version.
+  const resBefore = await page.request.get('/api/version');
+  expect(resBefore.status()).toBe(200);
+  const before = (await resBefore.json()) as { version: string };
+  expect(before.version).toMatch(/^\d+\.\d+\.\d+$/);
+
+  // Restart the app container mid-run — the named DB volume must survive it.
+  execSync(`docker compose ${composeArgs} restart space-wanderer`, { cwd: repoRoot, stdio: 'pipe' });
+
+  // Wait for the app to come back serving.
+  let after: { version: string } | undefined;
+  await expect
+    .poll(async () => {
+      try {
+        const res = await page.request.get('/api/version');
+        if (res.status() === 200) after = (await res.json()) as { version: string };
+        return !!after;
+      } catch {
+        return false; // connection refused / 502 while the container starts
+      }
+    }, { timeout: 120_000, message: 'waiting for /api/version after docker compose restart' })
+    .toBe(true);
+
+  expect(after).toBeDefined();
+  expect(after!.version).toBe(before.version); // same build, not a re-seeded stack
+
+  // The page itself serves again with the landing title.
+  await page.goto('/');
+  await expect(page.getByRole('heading', { name: 'SpaceWanderer' })).toBeVisible();
+});