Examine source code of AccessPlay

{
  "manifest_version": 3,
  "name": "AccessPlay",
  "version": "2.0.0",
  "description": "Custom audio player with keyboard shortcuts, ARIA live announcements, and options",
  "minimum_chrome_version": "121",
  "browser_specific_settings": {
    "gecko": {
      "id": "@accessplay",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "downloads",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "player.html",
        "player.css",
        "player.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}