fix stale weight update message

src/lib/component/weight/WeightScore.svelte

@@ -1,27 +1,17 @@
 <script lang="ts">
-	import { getDateAsStr, parseStringAsDate } from '$lib/date';
-	import type { NewWeightTracker, WeightTarget, WeightTracker } from '$lib/api/gen';
+	import { parseStringAsDate } from '$lib/date';
+	import type { WeightTarget, WeightTracker } from '$lib/api/gen';
 	import NumberFlow from '@number-flow/svelte';
 	import { differenceInDays } from 'date-fns';
 	import { Shield, ShieldCheck, ShieldWarning, TrendDown, TrendUp } from 'phosphor-svelte';
 	import { goto } from '$app/navigation';
 
 	interface Props {
-		weightTracker?: NewWeightTracker | WeightTracker;
-		lastWeightTracker?: WeightTracker;
+		weightTracker: WeightTracker;
 		weightTarget: WeightTarget;
-		onAdd?: (entry: NewWeightTracker) => Promise<WeightTracker>;
-		onEdit?: (id: number, entry: WeightTracker) => Promise<WeightTracker>;
 	}
 
-	let {
-		lastWeightTracker = undefined,
-		weightTracker = {
-			added: getDateAsStr(new Date()),
-			amount: lastWeightTracker ? lastWeightTracker.amount : 0
-		},
-		weightTarget
-	}: Props = $props();
+	let { weightTracker, weightTarget }: Props = $props();
 
 	let percentage = $derived.by(() => {
 		const diff = weightTarget.initialWeight - weightTracker.amount;
@@ -30,21 +20,17 @@
 	});
 
 	let modifier = $derived(weightTarget.initialWeight > weightTracker.amount ? '-' : '+');
+
+	let lastEntryDayDiff = $derived(
+		differenceInDays(new Date(), parseStringAsDate(weightTracker?.added!))
+	);
 </script>
 
 <div class="stat weight-stat">
 	<div class="stat-title">Current Weight</div>
 	<div class="flex flex-row justify-between stat-value">
 		<span>
-			{#if (weightTracker && 'id' in weightTracker) || lastWeightTracker}
-				{#if weightTracker && 'id' in weightTracker}
-					<NumberFlow value={weightTracker.amount} />
-				{:else if lastWeightTracker}
-					<NumberFlow value={lastWeightTracker.amount} />
-				{/if}
-			{:else}
-				-
-			{/if}
+			<NumberFlow value={weightTracker.amount} />
 			<span class="text-sm">kg</span>
 		</span>
 		<span class="flex items-center gap-1">
@@ -57,24 +43,15 @@
 	</div>
 	<div class="flex flex-row stat-desc items-center justify-between gap-1">
 		<span class="flex flex-row gap-1 items-center">
-			{#if weightTracker && 'id' in weightTracker}
+			{#if lastEntryDayDiff === 0}
 				<ShieldCheck size="1.25rem" weight="fill" color="var(--color-success)" />
 				Last update: Today.
-			{:else if lastWeightTracker}
-				{@const lastEntryDayDiff = differenceInDays(
-					new Date(),
-					parseStringAsDate(lastWeightTracker.added)
-				)}
-				{#if lastEntryDayDiff > 2}
-					<ShieldWarning size="1.25rem" weight="fill" color="var(--color-error)" />
-					Last update was {lastEntryDayDiff} days ago!
-				{:else}
-					<ShieldWarning size="1.25rem" weight="fill" color="var(--color-warning)" />
-					Last update: {lastEntryDayDiff} days ago.
-				{/if}
+			{:else if lastEntryDayDiff > 2}
+				<ShieldWarning size="1.25rem" weight="fill" color="var(--color-error)" />
+				Last update was {lastEntryDayDiff} days ago!
 			{:else}
-				<Shield size="1.25rem" class={'stat-desc'} />
-				Nothing tracked yet.
+				<ShieldWarning size="1.25rem" weight="fill" color="var(--color-warning)" />
+				Last update: {lastEntryDayDiff} days ago.
 			{/if}
 		</span>
 		<span>