Examine source code of Video Detector & Downloader

{
  "manifest_version": 3,
  "name": "Video Detector & Downloader",
  "version": "1.0.2",
  "description": "Automatically detects video URLs on any page and downloads them in one click",
  "permissions": [
    "webRequest",
    "downloads",
    "activeTab",
    "scripting",
    "tabs",
    "clipboardWrite",
    "declarativeNetRequest",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_isolated.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_main.js"
      ],
      "run_at": "document_start",
      "world": "MAIN",
      "all_frames": true
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "video-detector-downloader@soundmantra.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}