Examine source code of WacGPT

{
  "name": "__MSG_AppName__",
  "description": "__MSG_AppDesc__",
  "version": "1.0.3",
  "manifest_version": 3,
  "default_locale": "zh_CN",
  "permissions": [
    "tabs",
    "cookies",
    "background",
    "storage",
    "webNavigation",
    "<all_urls>"
  ],
  "action": {
    "default_popup": "./popup/popup.html",
    "default_icon": "./icons/logo.png",
    "content_security_policy": "script-src 'self' 'sha256-abc123'; object-src 'self'"
  },
  "icons": {
    "500": "./icons/logo.png"
  },
  "background": {
    "type": "module",
    "scripts": [
      "service_worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "./content_scripts/wac.js"
      ],
      "css": [
        "./css/v2.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "css/*",
        "icons/*"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "options_page": "./options/options.html",
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "wacgpt@gmail.com",
      "strict_min_version": "42.0"
    }
  }
}