Examine source code of AI Email Assistant

{
  "manifest_version": 3,
  "name": "AI Email Assistant",
  "version": "3.1",
  "description": "Automates email workflows with AI-powered features for Gmail",
  "permissions": [
    "storage",
    "identity",
    "tabs",
    "activeTab",
    "scripting",
    "webRequest",
    "webNavigation",
    "cookies"
  ],
  "host_permissions": [
    "https://mail.google.com/*",
    "http://localhost:*/",
    "https://email-extension.onrender.com/*",
    "https://www.googleapis.com/*",
    "https://oauth2.googleapis.com/*",
    "https://accounts.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "AI Email Assistant"
  },
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup.html",
        "popup.js",
        "styles.css"
      ],
      "matches": [
        "https://mail.google.com/*"
      ]
    }
  ],
  "oauth2": {
    "client_id": "640112157447-raibhokt2qao7bic81sjqqbutl7551bq.apps.googleusercontent.com",
    "scopes": [
      "https://www.googleapis.com/auth/gmail.readonly",
      "https://www.googleapis.com/auth/gmail.send",
      "https://www.googleapis.com/auth/userinfo.email",
      "https://www.googleapis.com/auth/userinfo.profile",
      "openid"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-email-assistant-unique123@yourdomain.com",
      "strict_min_version": "91.0"
    }
  }
}