Remove KPI trend subtitles on server dashboard.

Drop per-card trend footer text and related previous-value calculation from the server overview KPI block.

Made-with: Cursor

web/src/routes/servers/[alias]/+page.svelte

@@ -25,16 +25,6 @@
 	let summary = $state<StatsSummaryData | null>(null);
 	let sys = $state<SystemInfoData | null>(null);
 
-	type NodeKpiPrev = {
-		uptime: number;
-		conn: number;
-		bad: number;
-		users: number;
-		handshake: number;
-	};
-
-	let kpiPrev = $state<NodeKpiPrev | null>(null);
-
 	function num(v: unknown): number {
 		if (typeof v === 'number' && Number.isFinite(v)) return v;
 		if (typeof v === 'string' && v.trim() !== '') {
@@ -44,38 +34,15 @@
 		return 0;
 	}
 
-	function trendFooter(current: number | null, prev: number | null, invert = false): string {
-		if (current == null || prev == null || !Number.isFinite(current) || !Number.isFinite(prev)) {
-			return 'первое обновление';
-		}
-		const delta = current - prev;
-		if (delta === 0) return 'к прошлому обновлению: без изменений';
-		const sign = delta > 0 ? '+' : '-';
-		const absDelta = Math.abs(delta);
-		const mood = invert ? (delta < 0 ? 'лучше' : 'хуже') : delta > 0 ? 'рост' : 'снижение';
-		return `к прошлому обновлению: ${sign}${absDelta} (${mood})`;
-	}
-
 	async function loadFor(a: string) {
 		loading = true;
 		err = null;
 		try {
-			const prev =
-				summary && sys
-					? {
-							uptime: num(sys.uptime_seconds),
-							conn: num(summary.connections_total),
-							bad: num(summary.connections_bad_total),
-							users: num(summary.configured_users),
-							handshake: num(summary.handshake_timeouts_total)
-						}
-					: null;
 			const [h, s, i] = await Promise.all([
 				fetchTelemt<HealthData>(a, 'health'),
 				fetchStatsSummary(a),
 				fetchTelemt<SystemInfoData>(a, 'system/info')
 			]);
-			kpiPrev = prev;
 			health = h.data;
 			summary = s.data;
 			sys = i.data;
@@ -150,7 +117,6 @@
 			<KpiStatCard
 				accent="violet"
 				label="Аптайм"
-				footer={trendFooter(sys ? uptimeSec : null, kpiPrev?.uptime ?? null)}
 				valueClass="text-xl"
 			>
 				{#snippet icon()}
@@ -161,7 +127,6 @@
 			<KpiStatCard
 				accent="info"
 				label="Соединения (всего)"
-				footer={trendFooter(summary ? connTotal : null, kpiPrev?.conn ?? null)}
 				valueClass="text-xl"
 			>
 				{#snippet icon()}
@@ -172,7 +137,6 @@
 			<KpiStatCard
 				accent="danger"
 				label="Bad connections"
-				footer={trendFooter(summary ? badTotal : null, kpiPrev?.bad ?? null, true)}
 				valueClass="text-xl"
 			>
 				{#snippet icon()}
@@ -183,7 +147,6 @@
 			<KpiStatCard
 				accent="warning"
 				label="Handshake timeouts"
-				footer={trendFooter(summary ? handshakeT : null, kpiPrev?.handshake ?? null, true)}
 				valueClass="text-xl"
 			>
 				{#snippet icon()}
@@ -194,7 +157,6 @@
 			<KpiStatCard
 				accent="neutral"
 				label="Пользователей в конфиге"
-				footer={trendFooter(summary ? cfgUsers : null, kpiPrev?.users ?? null)}
 				valueClass="text-xl"
 			>
 				{#snippet icon()}