Examine source code of advanced-web-capture-pro

{
  "manifest_version": 3,
  "name": "WebCapture Pro",
  "version": "2.0",
  "description": "Professional website screenshots and annotations. Capture full pages, edit, and save to PDF.",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "contextMenus",
    "clipboardWrite",
    "unlimitedStorage",
    "downloads",
    "scripting",
    "notifications"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/lib/fabric.min.js",
      "src/background/background.js"
    ]
  },
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "48": "assets/icon48.png"
    }
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/editor/editor.html",
        "assets/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "webcapture-pro@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}