feat(education): complete student core loop delivery

tools/education-student-harness/playwright.config.js

@@ -0,0 +1,25 @@
+// @ts-check
+const { defineConfig } = require('@playwright/test');
+
+const port = process.env.PW_PORT || '4197';
+
+module.exports = defineConfig({
+  testDir: '.',
+  testMatch: /acceptance\.spec\.js$/,
+  timeout: 30_000,
+  fullyParallel: false,
+  reporter: [['list'], ['json', { outputFile: 'artifacts/playwright-results.json' }]],
+  use: {
+    baseURL: process.env.BASE_URL || `http://127.0.0.1:${port}`,
+    headless: true,
+    trace: 'retain-on-failure',
+    screenshot: 'only-on-failure',
+    video: 'off',
+  },
+  webServer: process.env.BASE_URL ? undefined : {
+    command: `PORT=${port} node server.js`,
+    url: `http://127.0.0.1:${port}`,
+    reuseExistingServer: false,
+    timeout: 10_000,
+  },
+});