Jakub Zych b553fc2937 feat: rendered comparison through headless Chrome ...

- github.com/chromedp/chromedp v0.21.0 (decision note
  2026-10-28-chromedp-rendered-crawl.md): with golem15.seo.crawl_chrome_path
  the crawl renders up to golem15.seo.crawl_render_max pages (200) and
  compares them with the raw HTML; without a path it records skipped
- guard: site host and www twin resolved and checked with
  fetchguard.IsPrivateAddr, pinned through --host-resolver-rules with a
  final MAP * ~NOTFOUND; Fetch-domain interception fails every request
  outside the site (third-party scripts never load); fresh temporary
  profile removed on Close; downloads denied; one tab, 20 s, 5 MiB DOM
- a relative or non-executable path, a private address or a Chrome that
  does not start records render_status failed; the crawl still finishes
- config keys documented; README Rendered comparison section
- TestChromeRenderer (runs with a local Chromium) and TestRendererGuards

2026-11-04 15:58:36 +01:00

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