curl --request POST \
  --url https://api.lindo.ai/v1/ai/credits/client/allocate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "client_id": "client_abc123",
  "credit_type": "purchased",
  "amount": 100,
  "source": "bonus",
  "notes": "Monthly credit top-up"
}
'

{
  "success": true,
  "result": {
    "balance": {
      "monthly": 123,
      "purchased": 123,
      "daily": 123,
      "total": 123
    },
    "allocation": {
      "id": "<string>",
      "client_id": "<string>",
      "credit_type": "<string>",
      "amount": 123,
      "remaining": 123,
      "source": "<string>",
      "status": "<string>",
      "created_at": "<string>"
    },
    "message": "<string>"
  }
}