Examine source code of Gippity Pruner

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  "description": "Improve ChatGPT performance in long conversations, without losing your context!",
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    "128": "icons/icon128.png"
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  "browser_specific_settings": {
    "gecko": {
      "id": "gippity-pruner@garett",
      "strict_min_version": "109.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://chatgpt.com/*",
        "*://chat.openai.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}