feat: add creative welcome and external works square links

tests/e2e/community-welcome.spec.ts

@@ -0,0 +1,90 @@
+import { test, expect } from '@playwright/test';
+import { createServer, type ViteDevServer } from 'vite';
+import { resolve } from 'node:path';
+
+let server: ViteDevServer;
+let baseUrl: string;
+test.use({ headless: true, channel: process.env.MAKELORE_LAYOUT_BROWSER_CHANNEL, video: 'off' });
+test.beforeAll(async () => {
+  server = await createServer({
+    configFile: false, cacheDir: 'node_modules/.vite-community-layout',
+    resolve: { alias: { '@': resolve('src') } }, esbuild: { jsx: 'automatic' },
+    server: { host: '127.0.0.1', port: 0 },
+    plugins: [{
+      name: 'isolated-community', enforce: 'pre',
+      load(id) {
+        if (id.endsWith('/src/lib/host-events.ts')) return 'export function subscribeHostEvent() { return () => {}; }';
+        if (id.endsWith('/src/lib/host-api.ts')) return `
+          export async function createHostEventSource() { return { close() {}, addEventListener() {} }; }
+          export async function ensureHostApiToken() { return 'fixture'; }
+          export function getHostApiBase() { return ''; }
+          export function reportDesktopActivity() {}
+          export function setDesktopBackgroundLease() {}
+          export async function hostApiFetch() { return {}; }
+        `;
+      },
+      configureServer(vite) {
+        vite.middlewares.use((req, res, next) => {
+          if (req.url !== '/' && !req.url?.startsWith('/?')) return next();
+          res.setHeader('Content-Type', 'text/html');
+          res.end('<html><head><meta charset="utf-8"></head><body><div id="root"></div><script type="module" src="/tests/e2e/fixtures/community-welcome.tsx"></script></body></html>');
+        });
+      },
+    }],
+  });
+  await server.listen();
+  baseUrl = server.resolvedUrls!.local[0];
+});
+test.afterAll(async () => { await server?.close(); });
+test.beforeEach(async ({ page }) => {
+  page.on('pageerror', error => { throw error; });
+  await page.addInitScript(() => {
+    const scope = window as typeof window & { __communityCalls: unknown[][] };
+    scope.__communityCalls = [];
+    Object.defineProperty(window, 'electron', { value: { ipcRenderer: {
+      invoke: async (...args: unknown[]) => { scope.__communityCalls.push(args); return undefined; },
+    } } });
+  });
+});
+
+for (const width of [375, 768, 1280, 1470]) {
+  test(`welcome, composer and community link clear teacher introductions at ${width}px`, async ({ page }) => {
+    await page.setViewportSize({ width, height: 850 });
+    await page.emulateMedia({ reducedMotion: 'reduce' });
+    await page.goto(baseUrl + '?teachers');
+    const heading = page.getByTestId('coding-start-heading');
+    const teachers = page.getByTestId('teacher-welcomes');
+    await expect(teachers.locator('.teacher-welcome-card')).toHaveCount(2);
+    await expect.poll(async () => {
+      const a = await heading.boundingBox(), b = await teachers.boundingBox();
+      return !!a && !!b && (a.x + a.width <= b.x || a.y >= b.y + b.height);
+    }).toBe(true);
+    await expect(page.locator('.coding-start-mark')).toHaveCSS('animation-name', 'none');
+    await page.getByTestId('community-invitation').scrollIntoViewIfNeeded();
+    expect(await page.evaluate(() => document.documentElement.scrollWidth)).toBeLessThanOrEqual(width);
+    await expect(page.getByRole('button', { name: '去作品广场逛逛' })).toBeVisible();
+    await teachers.getByRole('button', { name: '先自己试试' }).click();
+    await heading.scrollIntoViewIfNeeded();
+    await page.screenshot({ path: test.info().outputPath(`community-welcome-${width}.png`) });
+  });
+}
+
+test('the community link opens only on click and leaves the draft mounted', async ({ page }) => {
+  await page.setViewportSize({ width: 1280, height: 850 });
+  const communityRequests: string[] = [];
+  page.on('request', request => { if (request.url().includes('square.nianxx.cn')) communityRequests.push(request.url()); });
+  await page.goto(baseUrl);
+  const composer = page.getByRole('textbox');
+  await composer.fill('我想做一个自己的小镇');
+  await composer.evaluate(node => node.setAttribute('data-mounted', 'same'));
+  await page.getByRole('button', { name: '去作品广场逛逛' }).click();
+  expect(await page.evaluate(() => (window as typeof window & { __communityCalls: unknown[][] }).__communityCalls))
+    .toContainEqual(['shell:openExternal', 'https://square.nianxx.cn/#explore']);
+  expect(communityRequests).toEqual([]);
+  await expect(page.locator('iframe')).toHaveCount(0);
+  await expect(composer).toHaveValue('我想做一个自己的小镇');
+  await expect(composer).toHaveAttribute('data-mounted', 'same');
+  await page.getByRole('button', { name: '发送', exact: true }).click();
+  await expect(page.getByTestId('community-invitation')).toHaveCount(0);
+  await expect(composer).toHaveAttribute('data-mounted', 'same');
+});