✨ feat: add console error monitoring for Playwright tests; enhance page fixture with error assertions

tests/e2e-mobile/fixtures.ts

@@ -1,5 +1,6 @@
 import type { Page } from "@playwright/test"
 import { test as base, expect as pwExpect } from "@playwright/test"
+import { attachConsoleMonitor } from "../fixtures/console-monitor"
 
 export { expect, type Page, API_BASE, clickSpaLink } from "../e2e/fixtures"
 import { expect } from "../e2e/fixtures"
@@ -11,6 +12,8 @@ export const test = base.extend<MobileFixtures>({
      * Override page fixture: BrowserSync domcontentloaded workaround.
      */
     page: async ({ page }, use) => {
+        const monitor = attachConsoleMonitor(page)
+
         const origGoto = page.goto.bind(page)
         const origReload = page.reload.bind(page)
 
@@ -19,6 +22,7 @@ export const test = base.extend<MobileFixtures>({
         page.reload = ((opts?: any) => origReload({ waitUntil: "domcontentloaded", ...opts })) as typeof page.reload
 
         await use(page)
+        monitor.assertNoErrors()
     },
 })