Examine source code of ChatGPT Shift+Arrow Fix

{
  "manifest_version": 2,
  "name": "ChatGPT Shift+Arrow Fix",
  "version": "1.0.0",
  "description": "Restores native Shift+Arrow text selection behavior in ChatGPT message editors",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icon48.png",
      "96": "icon96.png"
    },
    "default_title": "Natural Selection",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*",
        "https://*.chatgpt.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage",
    "https://chatgpt.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{79313473-b83c-4f94-a422-a933a944056f}"
    }
  }
}