curl --request PATCH \
  --url https://api.yourdomain.com/api/chats/chat_123abc \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "name": "Updated Chat Name"
  }'

{
  "success": true,
  "message": "Chat updated successfully",
  "chat": {
    "id": "chat_123abc",
    "name": "Updated Chat Name",
    "createdAt": "2024-01-15T10:30:00Z",
    "updatedAt": "2024-01-17T11:45:00Z"
  }
}