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manifest.json
{
  "manifest_version": 3,
  "name": "Background Tab",
  "description": "始终保持在当前标签右侧后台打开链接",
  "version": "1.2",
  "browser_specific_settings": {
    "edge": {
      "browser_action_next_to_addressbar": true
    }
  },
  "permissions": [
    "tabs",
    "activeTab",
    "scripting",
    "storage"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}