Examine source code of Threat Email

{
  "manifest_version": 2,
  "name": "Threat Email",
  "version": "1.0",
  "description": "Analyse instantanée des e-mails pour détecter le phishing via l'IA.",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "https://mail.google.com/*",
    "https://threatemail.fr/*"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png"
    },
    "default_title": "Analyser cet e-mail"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "threatemail@hexaaitech.com",
      "strict_min_version": "91.0"
    }
  }
}