Examine source code of DeepSeek Expert Mode

{
  "manifest_version": 3,
  "name": "DeepSeek Expert Mode",
  "version": "0.1.0",
  "description": "Automatically selects Expert mode on chat.deepseek.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "deepseek-expert@dikos1337.github.io",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.deepseek.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "content.js"
      ]
    }
  ],
  "developer": {
    "name": "Roman Postnov",
    "url": "https://github.com/dikos1337"
  },
  "homepage_url": "https://github.com/dikos1337/deepseek-expert"
}