Examine source code of WhatsApp CRM Pro

{
  "manifest_version": 2,
  "name": "WhatsApp CRM Pro",
  "version": "1.0.1",
  "description": "Turn WhatsApp Web into a powerful sales CRM. Track leads, add notes, set follow-up reminders, and close more deals.",
  "browser_specific_settings": {
    "gecko": {
      "id": "whatsapp-crm-pro@extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "https://web.whatsapp.com/*",
    "https://generativelanguage.googleapis.com/*",
    "https://api.groq.com/*",
    "https://openrouter.ai/*",
    "https://api.openai.com/*",
    "https://api.anthropic.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://web.whatsapp.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "panel.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "WhatsApp CRM Pro",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "dashboard.html"
  ]
}