unclecode 8576331d4e Add Shadow DOM flattening and reorder js_code execution pipeline ...

- Add `flatten_shadow_dom` option to CrawlerRunConfig that serializes
  shadow DOM content into the light DOM before HTML capture. Uses a
  recursive serializer that resolves <slot> projections and strips
  only shadow-scoped <style> tags. Also injects an init script to
  force-open closed shadow roots via attachShadow patching.

- Move `js_code` execution to after `wait_for` + `delay_before_return_html`
  so user scripts run on the fully-hydrated page. Add `js_code_before_wait`
  for the less common case of triggering loading before waiting.

- Add JS snippet (flatten_shadow_dom.js), integration test, example,
  and documentation across all relevant doc files.

2026-02-18 06:43:00 +00:00

2.8 KiB

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