Examine source code of Smart AI Scratchpad

{
  "manifest_version": 3,
  "name": "Smart AI Scratchpad",
  "version": "2.0.0",
  "description": "A floating, clutter-free scratchpad overlay for drafting and refining prompts on Claude, Gemini, ChatGPT, and DeepSeek.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://claude.ai/*",
        "https://gemini.google.com/*",
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://chat.deepseek.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Smart AI Scratchpad",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "permissions": [
    "activeTab"
  ],
  "host_permissions": [
    "https://api.groq.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "smart-ai-scratchpad@mohdsadab1559.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}