Examine source code of tiktok mini app

{
  "manifest_version": 2,
  "name": "mini-app",
  "description": "A convenient mini web browser that lives in your Chrome side panel for quick access.",
  "version": "0.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "sidePanel",
    "declarativeNetRequest",
    "declarativeNetRequestWithHostAccess",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "reels@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "Reels Pro Sidepanel"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*",
        "*://*.instagram.com/*",
        "*://*.tiktok.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "js": [
        "content-scripts/iframe-tracker.js"
      ]
    }
  ],
  "browser_action": {}
}