Examine source code of GradeThread: Grade & List

{
  "manifest_version": 3,
  "name": "GradeThread: Grade & List",
  "version": "0.3.7",
  "description": "Get an AI-powered condition read on a pre-owned clothing listing before you buy — plus one-click cross-listing for FlipDesk sellers.",
  "permissions": [
    "storage",
    "activeTab",
    "alarms"
  ],
  "host_permissions": [
    "https://gradethread.com/*",
    "https://*.gradethread.com/*",
    "https://*.poshmark.com/*",
    "https://*.mercari.com/*",
    "https://*.grailed.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "unified@gradethread.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "lister/selectors.js",
      "lister/lister-guard.js",
      "lister/job-store.js",
      "registry.js",
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "GradeThread",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png",
    "256": "icons/icon256.png",
    "512": "icons/icon512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://gradethread.com/*",
        "https://*.gradethread.com/*"
      ],
      "js": [
        "gt-bridge.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://*.ebay.com/*",
        "https://*.ebay.co.uk/*",
        "https://*.ebay.de/*",
        "https://*.ebay.ca/*",
        "https://*.ebay.com.au/*",
        "https://*.ebay.fr/*",
        "https://*.ebay.it/*",
        "https://*.ebay.es/*",
        "https://*.ebay.ie/*",
        "https://*.ebay.nl/*",
        "https://*.ebay.at/*",
        "https://*.ebay.ch/*",
        "https://*.ebay.pl/*",
        "https://*.ebay.be/*",
        "https://*.poshmark.com/*",
        "https://*.poshmark.ca/*",
        "https://*.grailed.com/*",
        "https://*.mercari.com/*",
        "https://*.depop.com/*",
        "https://*.vinted.com/*",
        "https://*.vinted.co.uk/*",
        "https://*.vinted.fr/*",
        "https://*.vinted.de/*",
        "https://*.vinted.es/*",
        "https://*.vinted.it/*",
        "https://*.vinted.nl/*",
        "https://*.vinted.pl/*",
        "https://*.vinted.lt/*",
        "https://*.vinted.cz/*",
        "https://*.vinted.be/*",
        "https://*.vinted.at/*",
        "https://*.vinted.ro/*",
        "https://*.vinted.hu/*",
        "https://*.vinted.sk/*",
        "https://*.vinted.pt/*",
        "https://*.vinted.se/*",
        "https://*.vinted.lu/*",
        "https://*.vinted.hr/*",
        "https://*.vinted.gr/*",
        "https://*.vinted.dk/*",
        "https://*.vinted.fi/*"
      ],
      "js": [
        "research/selectors.js",
        "research/image-utils.js",
        "research/condition-format.js",
        "research/marketplace.js"
      ],
      "css": [
        "research/overlay.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://poshmark.com/*",
        "https://*.poshmark.com/*"
      ],
      "js": [
        "lister/selectors.js",
        "lister/common.js",
        "lister/poshmark.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.mercari.com/*",
        "https://*.mercari.com/*"
      ],
      "js": [
        "lister/selectors.js",
        "lister/common.js",
        "lister/mercari.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.grailed.com/*",
        "https://*.grailed.com/*"
      ],
      "js": [
        "lister/selectors.js",
        "lister/common.js",
        "lister/grailed.js"
      ],
      "run_at": "document_idle"
    }
  ]
}