Examine source code of Imposition

{
  "manifest_version": 3,
  "name": "Imposition",
  "version": "1.0.0",
  "description": "Collect deliberate excerpts from web pages and compose them into print-ready local editions.",
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "scripting",
    "downloads"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Open Imposition"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "imposition@workingmatter.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}