Examine source code of chep

{
  "manifest_version": 2,
  "name": "chep",
  "version": "3.0.1",
  "description": "Chat with AI about any YouTube video. Ask questions, get summaries, and learn more while you watch.",
  "icons": {
    "16": "assets/favicon/16x16.png",
    "32": "assets/favicon/32x32.png",
    "48": "assets/favicon/48x48.png",
    "128": "assets/favicon/128x128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/watch*"
      ],
      "js": [
        "settings.js",
        "ai-service.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "<all_urls>",
    "*://*.youtube.com/*",
    "storage"
  ],
  "web_accessible_resources": [
    "assets/chep-logo.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "chep@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}