curl --request PATCH \
  --url https://api.orq.ai/v2/budgets/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "budget": {
    "period": "monthly",
    "amount": 300
  },
  "is_active": true
}'

{
  "_id": "01ARZ3NDEKTSV4RRFFQ69G5FAV",
  "workspace_id": "550e8400-e29b-41d4-a716-446655440000",
  "type": "contact",
  "contact_id": "user_123",
  "budget": {
    "period": "monthly",
    "amount": 250
  },
  "is_active": true,
  "consumption": {
    "current_amount": 125.5,
    "remaining_amount": 124.5,
    "period_start": "2024-01-01T00:00:00Z",
    "period_end": "2024-01-31T23:59:59Z"
  },
  "created": "2023-11-07T05:31:56Z",
  "updated": "2023-11-07T05:31:56Z"
}