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Vinaywho
33d7684c06
On Windows, `impeccable detect <url>` flashed a persistent black window during scans. The scan uses puppeteer's bundled Chrome, which runs from an untrusted user-cache path; Windows blocks its GPU process, so it crash-loops and flashes a compositor surface on every retry. It is not a real application window (not in Alt+Tab, not clickable, invisible to window enumeration) and not malware. Prefer the system-installed Chrome via channel:'chrome' on Windows, which runs from a trusted location with a healthy GPU: no crash loop, no window. Fall back to the bundled browser when Chrome is not installed. Scoped to Windows only, so mac and linux keep the pinned bundled build for consistent measurement. Both render on hardware GPU, so contrast measurement is unaffected. Also routes both launch sites through one helper and fixes a pre-existing bug where detectUrl hardcoded headless:true instead of honoring options.headless. Tests: new tests/detect-url-launch.test.mjs covers the launch choice per platform (Windows prefers channel:'chrome' and falls back to bundled; non-Windows never attempts it), wired into the detector suite. Verified on Windows 11 / Chrome 150: zero GPU crashes, window gone, findings unchanged. This change was prepared with AI assistance.