Examine source code of Sound Summary

{
  "manifest_version": 2,
  "name": "Sound Summary",
  "version": "1.0",
  "description": "Summarize audio (e.g., podcast or audiobook) using AI.",
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "web_accessible_resources": [
    "recorder.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3206af0a-0d68-46fa-83ee-eb9587f517e1}"
    }
  }
}