Add CrawlerRunConfig.remove_consent_popups (bool, default False) that
targets GDPR/cookie consent popups from 70+ known CMP providers including
OneTrust, Cookiebot, TrustArc, Quantcast, Didomi, Usercentrics,
Sourcepoint, Google FundingChoices, and many more.
The JS strategy uses a 5-phase approach:
1. Click "Accept All" buttons (cleanest dismissal, sets cookies)
2. Try CMP JavaScript APIs (__tcfapi, Didomi, Cookiebot, Osano, Klaro)
3. Remove known CMP containers by selector (~120 selectors)
4. Handle iframe-based and shadow DOM CMPs
5. Restore body scroll and remove CMP body classes
Also fix from_kwargs() in CrawlerRunConfig and BrowserConfig to
auto-deserialize dict values using the existing from_serializable_dict()
infrastructure. Previously, strategy objects like markdown_generator
arriving as {"type": "DefaultMarkdownGenerator", "params": {...}} from
JSON APIs were passed through as raw dicts, causing crashes when the
crawler later called methods on them.
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