Examine source code of Contextual Fact-Checker

{
  "manifest_version": 2,
  "name": "Contextual Fact-Checker",
  "version": "2.3",
  "description": "Vérifie la véracité des textes sélectionnés via Groq (gratuit, sans CB).",
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage",
    "https://api.groq.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "icons": {
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "FactChecker@local.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "privacy_policy_url": ""
      }
    }
  }
}