export const LOCAL_SERIES_KEY = 'lineage-series'

export function parseStoredSeries(raw: string | null): { points: unknown[] } | null {
	if (!raw) return null
	try {
		const payload = JSON.parse(raw) as { points?: unknown[] }
		if (!payload || !Array.isArray(payload.points)) return null
		return payload
	} catch {
		return null
	}
}