curl --location --request PUT '{{baseUrl}}/api/whatsapp/update-whatsapp-agent/6894a98a7fcde123456789ab' \
--header 'Authorization: Bearer {{authToken}}' \
--header 'Content-Type: application/json' \
--data '{
  "agentName": "Premium Support Assistant",
  "systemPrompt": "You are an expert customer support assistant.",
  "welcomeMessage": "Hello! Welcome to Weya AI Support.",
  "model": "gpt-4.1",
  "temperature": 0.5,
  "knowledgeBase": [
    "6892fd48bde23a1234567890",
    "6892fd48bde23a1234567891"
  ]
}'

{
  "status": true,
  "code": 200,
  "message": "WhatsApp Agent updated successfully",
  "data": {
    "_id": "6894a98a7fcde123456789ab",
    "agentName": "Premium Support Assistant",
    "status": "active",
    "updatedAt": "2026-07-21T16:15:42.000Z"
  }
}