Examine source code of LiveDub — Gemini Tab Dub

{
  "manifest_version": 3,
  "name": "LiveDub — BYOK Gemini Tab Dubbing",
  "version": "0.1.0",
  "description": "Live dubbing for the audio playing in a browser tab, translated in near-real-time via your own Gemini API key.",
  "homepage_url": "https://livdub.com",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "LiveDub — open dubbing panel"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "livedub-byok@example.invalid",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}