Function normalizeFinishReason

src/node/utils/gatewayStreamNormalization.ts:73–81

(fr: unknown)

 * The gateway server may send a plain string instead of the nested object.
 */
export function normalizeFinishReason(fr: unknown): { unified: string; raw: unknown } | undefined {
  if (fr == null) return undefined;
  if (typeof fr === "object" && "unified" in (fr as Record<string, unknown>)) {
    return fr as { unified: string; raw: unknown };
  }
  // Plain string → convert to v3 object
  const str = typeof fr === "string" ? fr : "other";
  return { unified: str === "unknown" ? "other" : str, raw: str };
}

/**
 * Normalize a doGenerate result from the gateway.