Examine source code of Screvi

{
  "manifest_version": 3,
  "name": "Screvi — Stop Forgetting What You Read",
  "description": "Save Bookmarks and highlights from eReaders, X, YouTube, and the open web.",
  "version": "1.4.4",
  "icons": {
    "16": "icons/16.png",
    "128": "icons/128.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Screvi - Bookmarks & Highlights Manager",
    "default_icon": "icons/128.png"
  },
  "content_scripts": [
    {
      "js": [
        "assets/7b9098b6.js"
      ],
      "matches": [
        "<all_urls>",
        "https://read.amazon.com/notebook*",
        "https://leer.amazon.es/notebook*",
        "https://lesen.amazon.de/notebook*",
        "https://lire.amazon.fr/notebook*",
        "https://leggere.amazon.it/notebook*",
        "https://ler.amazon.com.br/notebook*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "assets/f90c479b.js"
      ],
      "matches": [
        "https://*.youtube.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus",
    "alarms",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://*.x.com/*",
    "https://*.twitter.com/*",
    "https://*.screvi.com/*",
    "http://localhost/*",
    "https://*.youtube.com/*",
    "https://*.amazon.com/*",
    "https://*.amazon.es/*",
    "https://*.amazon.de/*",
    "https://*.amazon.fr/*",
    "https://*.amazon.it/*",
    "https://*.amazon.com.br/*"
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "src/utils/api.ts",
        "src/TwitterImport.tsx",
        "src/content.jsx",
        "src/WebHighlight.tsx",
        "src/youtubeTranscript.jsx"
      ]
    },
    {
      "matches": [
        "<all_urls>",
        "https://leer.amazon.es/*",
        "https://leggere.amazon.it/*",
        "https://ler.amazon.com.br/*",
        "https://lesen.amazon.de/*",
        "https://lire.amazon.fr/*",
        "https://read.amazon.com/*"
      ],
      "resources": [
        "assets/68376a96.js",
        "assets/cb771190.js",
        "assets/d324fb65.js",
        "assets/b3138e79.js",
        "assets/27173896.js",
        "assets/2ad4771d.js",
        "assets/7ee967e9.js"
      ]
    },
    {
      "matches": [
        "https://*.youtube.com/*"
      ],
      "resources": [
        "assets/68376a96.js",
        "assets/cb771190.js",
        "assets/b3138e79.js",
        "assets/d324fb65.js",
        "assets/7db7f209.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background-firefox.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "screvi@screvi.com",
      "strict_min_version": "126.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "options_page": "index.html"
}