/**
 * Normalizes the non-fatal ERP `warnings` a connector returned for a labor ticket to
 * the `string[]` the NATS reply promises: non-empty strings only. Anything else (a
 * bare string, `null`, non-string entries) yields `[]`, so a connector that bypasses
 * the types (e.g. behind `@ts-ignore`) cannot put a non-array on the reply.
 */
export const normalizeLaborTicketWarnings = (raw: unknown): string[] =>
  Array.isArray(raw)
    ? raw.filter((w): w is string => typeof w === "string" && w.trim() !== "")
    : [];