Examine source code of Save For Later: Smart Bookmark Manager

{
  "manifest_version": 3,
  "name": "Save For Later Pro",
  "version": "1.0.2",
  "description": "A powerful bookmark manager that helps you save, organize, and discover web content. Features smart tagging, cross-device sync, and intelligent categorization to keep your bookmarks organized and easily accessible.",
  "short_name": "SaveForLater",
  "author": "Save For Later Team",
  "homepage_url": "https://app.saveforlater.pro",
  "keywords": [
    "bookmarks",
    "productivity",
    "organization",
    "sync",
    "tags",
    "categories",
    "web-content"
  ],
  "categories": [
    "productivity",
    "bookmarks"
  ],
  "lang": "en",
  "permissions": [
    "bookmarks",
    "tabs",
    "storage",
    "activeTab",
    "contextMenus"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmark-manager@saveforlater.pro",
      "strict_min_version": "109.0"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Save For Later Pro - Smart Bookmark Manager",
    "default_icon": {
      "16": "16.png",
      "32": "32.png",
      "48": "48.png",
      "128": "128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "16.png",
    "32": "32.png",
    "48": "48.png",
    "128": "128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "index.html",
        "assets/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "minimum_chrome_version": "88",
  "offline_enabled": true,
  "incognito": "split"
}