export function truncateText(value: string, maxChars = 12000): { text: string; truncated: boolean } {
	if (value.length <= maxChars) return { text: value, truncated: false };
	return { text: `${value.slice(0, maxChars)}\n\n[truncated ${value.length - maxChars} characters]`, truncated: true };
}

export function jsonText(value: unknown): string {
	return JSON.stringify(value, null, 2);
}

export function sourceList(results: Array<{ title?: string; url?: string; contentId?: string }>): string {
	return results.map((result, index) => {
		const bits = [result.url, result.contentId ? `content id ${result.contentId}` : undefined].filter(Boolean).join(" — ");
		return `${index + 1}. ${result.title || result.url || "Untitled"}${bits ? ` — ${bits}` : ""}`;
	}).join("\n");
}