Root cause: Cards were hidden but not removed from DOM, causing
memory buildup (400+ nodes) that crashed Chrome tabs.
Changes:
- Actually remove processed cards from DOM (not just hide them)
- Keep last 50 cards for scroll reference/continuity
- Remove adjacent separator elements along with cards
- Add logging when DOM cleanup removes cards
- Cards near scroll end stay visible for reference
This should prevent "tab crashed" errors during long scraping
sessions with 500+ reviews.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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