Examine source code of Twin Fantasy

{
  "name": "Twin Fantasy",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "屏幕截图 2025-08-03 161554.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.04)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7472520c-ceab-4d2b-8e22-435e6b419234}"
    }
  }
}