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- Add a one-time setup cell (%pip install pixelrag + the headless-Chrome system libs a fresh Colab/Linux VM needs); the hosted search half needs nothing. Verified: pip install pixelrag → pixelshot renders a real page end-to-end in a clean venv, and Colab's default runtime is Python 3.12 (the package requires >=3.12). - Open-in-Colab badge at the top of the notebook and in the README, linking the GitHub copy so 'Open in Colab → Run all' just works.