reusable snapshot header, field-label, and load-progress UI components

src/lib/components/backup/SnapshotHeader.svelte

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+<script lang="ts">
+	import { Badge } from '$lib/components/ui/badge';
+	import { Clock, Box, Layers } from 'lucide-svelte';
+	import EnvironmentIcon from '$lib/components/EnvironmentIcon.svelte';
+	import { getRepoTypeIcon } from '$lib/utils/backup';
+	import { formatDateTime, formatRelativeTime } from '$lib/stores/settings';
+
+	// Shared header line for the snapshot Browse and Restore dialogs, so both read the
+	// same: "<verb> <name> from <repo>  <shortId>  taken on <env> <timestamp>". A modal
+	// passes its own leading icon/verb and (for Restore) a trailing target-env clause via
+	// the `trailing` snippet; everything else - name, source repo, source env, id, time -
+	// is rendered identically here.
+	interface EnvRef { id: number; icon?: string | null }
+	interface Props {
+		// A lucide icon component. Typed loosely: lucide's component type doesn't line up
+		// with svelte's `Component` (same known mismatch PageHeader lives with).
+		icon: any;
+		verb: string;
+		name: string;
+		/** container | stack - picks the little box/layers glyph next to the name. */
+		nameType?: 'container' | 'stack';
+		/** Source repository this snapshot lives in (name + repo URL for the icon). */
+		destinationName?: string;
+		destinationRepository?: string;
+		/** Environment the snapshot was TAKEN on (null/absent for a local snapshot). */
+		sourceEnv?: EnvRef;
+		sourceEnvName?: string;
+		snapshotId?: string;
+		snapshotTime?: string | null;
+		/** Extra header content (e.g. Restore's "to <targetEnv>") rendered after the id. */
+		trailing?: import('svelte').Snippet;
+	}
+	let {
+		icon: Icon, verb, name, nameType = 'container',
+		destinationName, destinationRepository,
+		sourceEnv, sourceEnvName, snapshotId, snapshotTime, trailing
+	}: Props = $props();
+</script>
+
+<div class="flex items-center gap-2 flex-wrap text-lg font-semibold">
+	<Icon class="h-5 w-5" />
+	{verb}
+	{#if nameType === 'stack'}<Layers class="h-4 w-4 text-purple-500" />{:else}<Box class="h-4 w-4 text-blue-500" />{/if}
+	<span>{name}</span>
+	{#if destinationName}
+		{@const RepoIcon = getRepoTypeIcon(destinationRepository ?? '')}
+		<span class="text-muted-foreground">from</span>
+		<span class="flex items-center gap-1"><RepoIcon class="h-4 w-4 text-muted-foreground" />{destinationName}</span>
+	{/if}
+	<!-- Trailing clause (e.g. Restore's "to <targetEnv>") sits right after the source
+	     repo, before the id/timestamp, so it reads "from <repo> to <env>". -->
+	{@render trailing?.()}
+	{#if snapshotId}<Badge variant="outline" class="font-mono text-[10px] font-normal">{snapshotId.slice(0, 8)}</Badge>{/if}
+	{#if snapshotTime}
+		<span class="flex items-center gap-1 text-xs font-normal text-muted-foreground">
+			<Clock class="h-3 w-3" />
+			taken{#if sourceEnvName}&nbsp;on <EnvironmentIcon icon={sourceEnv?.icon || 'globe'} envId={sourceEnv?.id ?? 0} class="h-3.5 w-3.5 text-amber-500" /><span class="text-amber-500 font-medium">{sourceEnvName}</span>{/if}
+			{formatDateTime(snapshotTime)}
+			<span class="opacity-60">({formatRelativeTime(snapshotTime)})</span>
+		</span>
+	{/if}
+</div>

src/lib/components/ui/field-label/field-label.svelte

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+<script lang="ts">
+	import { Label } from '$lib/components/ui/label';
+
+	// Form field label with a consistent required/optional marker: a red "*" glued to
+	// the label text for required fields, a muted "(optional)" suffix otherwise. Keeps
+	// every form's marker identical instead of each field hand-rolling its own span.
+	interface Props {
+		label: string;
+		forId?: string;
+		required?: boolean;
+		/** Show "(optional)" when not required. Off for forms that only mark required. */
+		showOptional?: boolean;
+	}
+	let { label, forId, required = false, showOptional = true }: Props = $props();
+</script>
+
+<Label for={forId}>
+	<span>{label}{#if required}<span class="text-destructive">&nbsp;*</span>{/if}</span>
+	{#if !required && showOptional}<span class="text-muted-foreground text-xs font-normal">(optional)</span>{/if}
+</Label>

src/lib/components/ui/field-label/index.ts

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+import Root from "./field-label.svelte";
+
+export {
+	Root,
+	//
+	Root as FieldLabel,
+};

src/lib/components/ui/snapshot-load-progress/index.ts

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+import Root from "./snapshot-load-progress.svelte";
+
+export {
+	Root,
+	//
+	Root as SnapshotLoadProgress,
+};

src/lib/components/ui/snapshot-load-progress/snapshot-load-progress.svelte

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+<script lang="ts">
+	import { Loader2 } from 'lucide-svelte';
+
+	// Progress indicator for the per-destination snapshot sweep. Each backup repo is
+	// queried separately and a slow/unreachable one can take up to the backend's restic
+	// timeout (5 min), so we show "X of N repos" rather than an indeterminate spinner -
+	// the user sees it advancing instead of wondering if it hung. Shared across the
+	// Backups page and the container/stack snapshot panels.
+	interface Props {
+		done: number;
+		total: number;
+		/** Extra classes for the wrapper (sizing/spacing per call site). */
+		class?: string;
+	}
+	let { done, total, class: className = '' }: Props = $props();
+</script>
+
+<span class="flex items-center gap-1.5 text-xs text-muted-foreground {className}">
+	<Loader2 class="w-3.5 h-3.5 animate-spin" />
+	<!-- The "X of N repos" count only adds information with more than one repo; with a
+	     single repo it reads oddly ("1 of 1"), so just say "Loading snapshots…". -->
+	Loading snapshots…{#if total > 1} {done} of {total} repos{/if}
+</span>