Examine source code of AI Metadata Cleaner

{
  "manifest_version": 3,
  "name": "AI Metadata Cleaner",
  "short_name": "AI Metadata Cleaner",
  "version": "1.0.0",
  "description": "Clean image metadata privately on your device. Supports JPEG, PNG, WebP and BMP with safe animated-file handling and smart batch export.",
  "action": {
    "default_title": "Open AI Metadata Cleaner",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png"
    }
  },
  "permissions": [],
  "host_permissions": [],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-metadata-cleaner@masumlabs.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none'; base-uri 'none'; frame-ancestors 'none';"
  }
}