Examine source code of DropNotify Queue Helper

{
  "manifest_version": 3,
  "name": "DropNotify Queue Helper",
  "version": "1.0.11",
  "description": "Queue overlay + notifications: joined queue, requeue detection.",
  "browser_specific_settings": {
    "gecko": {
      "id": "walmart-queue-helper@thetrainerscollective.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "action": {
    "default_title": "Queue Helper",
    "default_popup": "ui/popup.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "notifications",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://www.walmart.com/*",
    "https://www.walmart.ca/*",
    "https://dropnotify.app/*",
    "https://www.dropnotify.app/*"
  ],
  "background": {
    "scripts": [
      "src/ttc-auth-shared.js",
      "src/background.js"
    ]
  },
  "icons": {
    "128": "assets/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/icon-128.png",
        "src/queue-interceptor.js"
      ],
      "matches": [
        "https://www.walmart.com/*",
        "https://www.walmart.ca/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.walmart.com/*",
        "https://www.walmart.ca/*"
      ],
      "js": [
        "src/ttc-auth-shared.js",
        "src/content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://dropnotify.app/*",
        "https://www.dropnotify.app/*"
      ],
      "js": [
        "src/ttc-auth-shared.js",
        "src/discord-auth-bridge.js"
      ],
      "run_at": "document_idle"
    }
  ]
}