Examine source code of MaskMail — Private Temp Inbox

{
  "manifest_version": 3,
  "name": "MaskMail — Private Temp Inbox",
  "version": "0.3.2",
  "description": "A Firefox-first temporary email privacy dashboard inspired by Raccoon, with adaptive phone/tablet/desktop layouts, accessibility controls, safe text reading, local insights, diagnostics and support controls.",
  "permissions": [
    "storage",
    "alarms",
    "notifications"
  ],
  "host_permissions": [
    "https://api.mail.tm/*"
  ],
  "background": {
    "scripts": [
      "src/api.js",
      "src/background.js"
    ]
  },
  "action": {
    "default_title": "MaskMail",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icon-16.png",
      "32": "assets/icon-32.png",
      "48": "assets/icon-48.png",
      "96": "assets/icon-96.png"
    }
  },
  "icons": {
    "48": "assets/icon-48.png",
    "96": "assets/icon-96.png",
    "128": "assets/icon-128.png"
  },
  "options_ui": {
    "page": "dashboard.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "maskmail@ratioworks.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}