ChatGPT-4 Message Counter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "ChatGPT-4 Message Counter",
  "version": "1.0",
  "description": "Counts the number of messages sent to ChatGPT-4.",
  "permissions": [
    "webRequest",
    "storage"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "host_permissions": [
    "https://chat.openai.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup.html",
        "popup.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}