Examine source code of EasyFRS

{
  "manifest_version": 3,
  "name": "EasyFRS",
  "version": "1.2.0",
  "description": "Fast course enrollment helper for ITS Surabaya. Features instant search, favorites, live quota sync, and one-click selection.",
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "64": "icons/icon64.png",
      "96": "icons/icon96.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "type": "module",
    "scripts": [
      "assets/index.ts-Yk4NqqfR.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.tsx-loader-Bq6LQR1p.js"
      ],
      "matches": [
        "*://akademik.its.ac.id/list_frs.php*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "easyfrs@akademik.its.ac.id",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "*://akademik.its.ac.id/*"
      ],
      "resources": [
        "icons/logo.png",
        "assets/browser-polyfill-BW6ui7Mu.js",
        "assets/index.tsx-D2xwO5_3.js"
      ]
    }
  ]
}