Function normalizeOptionalModelString

src/node/config.ts:355–376

(value: unknown)

}

function normalizeOptionalModelString(value: unknown): string | undefined {
  if (typeof value !== "string") {
    return undefined;
  }

  const trimmed = value.trim();
  if (!trimmed) {
    return undefined;
  }

  // Reject malformed mux-gateway strings ("mux-gateway:provider" without "/model").
  if (trimmed.startsWith("mux-gateway:") && !trimmed.includes("/")) {
    return undefined;
  }

  const normalized = normalizeSelectedModel(trimmed);
  if (!isValidModelFormat(normalized)) {
    return undefined;
  }

  return normalized;
}

function normalizeOptionalModelStringArray(value: unknown): string[] | undefined {
  if (!Array.isArray(value)) {