Examine source code of OpenDKP Helper

{
  "manifest_version": 3,
  "name": "OpenDKP Helper",
  "version": "1.3.0",
  "description": "A comprehensive helper extension for opendkp.com with auction alerts, RaidTick integration, and more",
  "permissions": [
    "activeTab",
    "storage",
    "notifications",
    "clipboardWrite",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://opendkp.com/*",
    "https://*.opendkp.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://opendkp.com/*",
        "https://*.opendkp.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "jobsdone.mp3",
        "workcomplete.mp3",
        "ding1.mp3",
        "ding2.mp3",
        "ding3.mp3",
        "ding4.mp3",
        "bell.mp3",
        "hotel.mp3",
        "icons/icon-48.png",
        "icons/icon-16.png",
        "icons/icon-128.png"
      ],
      "matches": [
        "https://opendkp.com/*",
        "https://*.opendkp.com/*"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "OpenDKP Helper",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_page": "options.html",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "opendkp-timer-alert@opendkp.com",
      "strict_min_version": "126.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "license": "MIT"
}