QE Browser Thin AQE-owned wrapper around Vibium that adds QE-specific primitives: typed assertions, batch execution, visual-diff against baselines, prompt-injection scanning, and semantic intent scoring. Engine: Vibium — single 10MB Go binary, built on WebDriver BiDi (W3C standard), Apache-2.0 licensed, published on npm/PyPI/Maven Central. Auto-launches a background daemon and auto-downloads Chrome for Testing on first use. Why Vibium, not Playwright? - 10MB binary vs 300MB Playwright install - WebDriver BiDi standard (not CDP) — future-proof for Firefox/Safari - mode on every command (matche…