Examine source code of HomepageTab

{
  "manifest_version": 3,
  "name": "HomepageTab",
  "description": "新标签页启动中心，聚合快捷网站、壁纸、便笺、倒数日与多引擎搜索。",
  "version": "0.1.3",
  "homepage_url": "https://homepagetab.com",
  "minimum_chrome_version": "100.0",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "action": {
    "default_title": "HomepageTab",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "service_worker": "src/background.js",
    "scripts": [
      "src/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "homepagetab@xinyuantech.local",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "alarms",
    "declarativeNetRequest",
    "notifications",
    "storage",
    "system.cpu",
    "system.memory",
    "system.storage"
  ],
  "optional_permissions": [
    "bookmarks",
    "history"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*",
    "https://api.homepagetab.com/*",
    "https://api.open-meteo.com/*",
    "https://geocoding-api.open-meteo.com/*",
    "https://cdn.jsdelivr.net/*",
    "https://open.er-api.com/*",
    "https://bing.biturl.top/*",
    "https://www.bing.com/*",
    "https://*.eastmoney.com/*",
    "https://push2.eastmoney.com/*",
    "https://searchapi.eastmoney.com/*",
    "https://searchadapter.eastmoney.com/*",
    "https://api-hot.imsyy.top/*",
    "https://api.guole.fun/*",
    "https://api.vvhan.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://web.homepagetab.com/*",
        "https://www.homepagetab.com/*",
        "https://homepagetab.com/*",
        "https://*.homepagetab.com/*",
        "http://localhost/*",
        "http://127.0.0.1/*"
      ],
      "js": [
        "src/device-id-bridge.js"
      ],
      "run_at": "document_start"
    }
  ]
}