Examine source code of Video Download Assistant

{
  "manifest_version": 3,
  "name": "Download Assistant",
  "version": "0.4.0",
  "description": "Detect and download video and audio from web pages.",
  "permissions": [
    "webRequest",
    "storage",
    "downloads",
    "downloads.open",
    "scripting",
    "unlimitedStorage"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "options_ui": {
    "page": "options/options.html"
  },
  "action": {
    "default_title": "Download Assistant",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/icon.svg",
      "96": "icons/icon.svg"
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "download-assistant@realh",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}