Examine source code of Upwork FitScore Pro

{
  "manifest_version": 3,
  "name": "Upwork FitScore Pro",
  "version": "2.4",
  "description": "Analyze job fit scores, client reliability, and skill matches on Upwork",
  "homepage_url": "https://github.com/adnahmed/Upwork-Enhance",
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "webRequest",
    "webRequestAuthProvider"
  ],
  "host_permissions": [
    "https://www.upwork.com/*"
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "*://*.upwork.com/*"
      ],
      "resources": [
        "common.js",
        "centris.js",
        "upwork.js",
        "popup.js"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.upwork.com/*"
      ],
      "js": [
        "arrive.min.js",
        "upworkScript.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "32": "assets/icon32.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "icons": {
    "16": "assets/icon16.png",
    "32": "assets/icon32.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "upwork-fitscore-pro-v2@adnahmed",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}