Examine source code of Prompt Builder

{
  "manifest_version": 3,
  "name": "Prompt Builder",
  "version": "2025.7.29",
  "description": "Build better AI prompts by following a step-by-step guide.",
  "icons": {
    "32": "icon32.png",
    "48": "icon48.png"
  },
  "action": {
    "default_icon": {
      "32": "icon32.png",
      "48": "icon48.png"
    }
  },
  "sidebar_action": {
    "default_icon": "icon48.png",
    "default_title": "Prompt Builder",
    "default_panel": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "prompt-builder@DerivedFunction"
    }
  }
}