Examine source code of OneApply Assistant

{
  "manifest_version": 3,
  "name": "OneApply Assistant",
  "short_name": "OneApply",
  "description": "Scrape job posts and autofill applications from your OneApply resume package.",
  "version": "0.1.2",
  "homepage_url": "https://www.oneapply.app",
  "browser_specific_settings": {
    "gecko": {
      "id": "assistant@oneapply.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteActivity",
          "websiteContent"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_popup": "popup.html",
    "default_title": "OneApply Assistant"
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://oneapply.app/*",
    "https://www.oneapply.app/*"
  ],
  "optional_host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://oneapply.app/*",
        "https://www.oneapply.app/*"
      ],
      "js": [
        "src/content/app-bridge.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}