Examine source code of UVIX Agent

{
  "manifest_version": 3,
  "name": "UVIX Agent",
  "description": "UVIX Agent — это браузерный агент для автоматизации работы с маркетплейсами из экосистемы UVIX",
  "version": "0.0.3",
  "browser_specific_settings": {
    "gecko": {
      "id": "agent@uvix.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "alarms",
    "tabs",
    "scripting",
    "notifications"
  ],
  "host_permissions": [
    "https://*/*",
    "http://127.0.0.1/*",
    "https://127.0.0.1/*",
    "http://localhost/*",
    "https://localhost/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "action": {
    "default_title": "Nika Agent",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png"
    },
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://flowwow.com/*",
        "https://*.flowwow.com/*",
        "https://cvetov24.ru/*",
        "https://*.cvetov24.ru/*",
        "https://cvetov.ru/*",
        "https://*.cvetov.ru/*",
        "https://seller.ozon.ru/*",
        "https://*.seller.ozon.ru/*",
        "https://partner.market.yandex.ru/*",
        "https://*.partner.market.yandex.ru/*",
        "https://pickerapp.eda.yandex.ru/*",
        "https://*.pickerapp.eda.yandex.ru/*",
        "https://partner.florist.ru/*",
        "https://*.florist.ru/*",
        "https://flawery.ru/*",
        "https://*.flawery.ru/*",
        "https://seller.wildberries.ru/*",
        "https://www.wildberries.ru/*",
        "https://*.wildberries.ru/*",
        "https://basket-15.wbbasket.ru/*",
        "https://*.wbbasket.ru/*",
        "https://www.lamoda.ru/*",
        "https://*.lamoda.ru/*",
        "https://www.ozon.ru/*",
        "https://*.ozon.ru/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://flowwow.com/*",
        "https://*.flowwow.com/*",
        "https://cvetov24.ru/*",
        "https://*.cvetov24.ru/*",
        "https://cvetov.ru/*",
        "https://*.cvetov.ru/*",
        "https://seller.ozon.ru/*",
        "https://*.seller.ozon.ru/*",
        "https://partner.market.yandex.ru/*",
        "https://*.partner.market.yandex.ru/*",
        "https://pickerapp.eda.yandex.ru/*",
        "https://*.pickerapp.eda.yandex.ru/*",
        "https://partner.florist.ru/*",
        "https://*.florist.ru/*",
        "https://flawery.ru/*",
        "https://*.flawery.ru/*",
        "https://seller.wildberries.ru/*",
        "https://www.wildberries.ru/*",
        "https://*.wildberries.ru/*",
        "https://basket-15.wbbasket.ru/*",
        "https://*.wbbasket.ru/*",
        "https://www.lamoda.ru/*",
        "https://*.lamoda.ru/*",
        "https://www.ozon.ru/*",
        "https://*.ozon.ru/*"
      ],
      "js": [
        "injected.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "injected.js",
        "uvix-logo.png"
      ],
      "matches": [
        "https://*/*"
      ]
    }
  ]
}