Examine source code of ChatGPT Prompt Modifier

{
  "manifest_version": 3,
  "name": "ChatGPT Prompt Modifier",
  "description": "ChatGPT Prompt Modifier lets you easily adjust prompts on chatgpt.com for consistent and customized replies",
  "version": "3.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage",
    "scripting",
    "downloads"
  ],
  "host_permissions": [
    "*://*.chatgpt.com/*"
  ],
  "oauth2": {
    "client_id": "modify-chatgpt-prompts-prod.apps.googleusercontent.com",
    "scopes": [
      "email",
      "profile"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "82c75eb9-4e05-4dd3-8f10-016d79404526@chatgpt-propmt-modifier"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; img-src 'self' blob: data: unsafe-eval"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Chatgpt Prompt Modifier",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.chatgpt.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}