Examine source code of SoundSnap

{
  "manifest_version": 2,
  "name": "SoundSnap",
  "version": "1.0",
  "description": "A retro cassette-themed extension to record and manage voice notes for webpages, featuring an orange-silver interface with tape reel spin animations.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "storage",
    "downloads",
    "microphone"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{35305247-2a37-48cf-96f3-b6a1d8bdc995}"
    }
  }
}