// One place to turn a typed API error (or any transport failure) into a sentence.
export const errorText = (error: unknown): string => {
	if (typeof error === "object" && error !== null) {
		const e = error as {
			_tag?: string;
			issues?: string;
			message?: string;
			reason?: unknown;
		};
		if (e._tag === "ConfigInvalid" && typeof e.issues === "string") {
			return e.issues;
		}
		if (e._tag === "SyncInProgress") return "A sync pass is already running";
		if (typeof e.message === "string" && e.message.length > 0) return e.message;
		if (typeof e._tag === "string") return e._tag;
	}
	return String(error);
};