GET /v2/clients/:id/limits-status

Bulk fetch: the current status (on a specific date) of every limit
owned by a client. Equivalent to calling
GET /v2/limits/:limitId/status for each limit, but in one round trip.

Path params:
  id (required) — Client identifier.

Query params:
  date (required) — ISO 8601 date.

Response (200 OK):
{
  "data": [
    {
      "id": "string (UUID — same as the limit ID)",
      "type": "limit-status",
      "attributes": {
        "date":         "ISO 8601 date",
        "limitType":    "<same shape as the limit's limitType>",
        "isBreached":   "boolean (optional)",
        "currentValue": "number or null (null for limit-group)"
      }
    }
  ]
}