24h forecasting

server/src/forecast.mjs

@@ -2,7 +2,7 @@
 import {queryHourly, getCoords, queryCurrent} from './influx.mjs';
 import { getCelestialForecast } from './celestial.mjs';
 
-let cache = { ts: 0, slots: [], summary: null }
+export let lastForecast = { ts: 0, slots: [], summary: null }
 const TTL = 10 * 60 * 1000
 
 // ── Physics Helpers ───────────────────────────────────────────────────────────
@@ -224,14 +224,14 @@ function summarise(slots) {
 
 export async function refreshForecast() {
 	const sensors = await queryCurrent().catch(() => null)
-	if (!sensors) return cache
+	if (!sensors) return lastForecast
 	const slots   = await get24HourForecast(sensors).catch(() => null)
-	if (!slots) return cache
-	cache = { ts: Date.now(), slots, summary: summarise(slots) }
-	return cache
+	if (!slots) return lastForecast
+	lastForecast = { ts: Date.now(), slots, summary: summarise(slots) }
+	return lastForecast
 }
 
 export async function ensureForecast() {
-	if (Date.now() - cache.ts > TTL) await refreshForecast()
-	return cache
+	if (Date.now() - lastForecast.ts > TTL) await refreshForecast()
+	return lastForecast
 }