svelte refactor

frontend/src/lib/stores/dialogs.svelte.ts

@@ -7,6 +7,8 @@
  * and only closes the dialog if it resolves. A rejection keeps the dialog open
  * and surfaces an inline error, so failed renames/deletes don't silently vanish.
  */
+import { errorMessage } from '$lib/utils/errors';
+
 export interface ConfirmOptions {
 	title: string;
 	message?: string;
@@ -87,7 +89,7 @@ class DialogStore {
 				else await (action as (v: string) => Promise<void> | void)(value as string);
 			} catch (err) {
 				this.busy = false;
-				this.error = err instanceof Error ? err.message : String(err);
+				this.error = errorMessage(err);
 				return; // keep the dialog open
 			}
 		}

frontend/src/lib/stores/files.svelte.ts

@@ -7,6 +7,10 @@
 import type { FolderItem } from '$lib/api/types';
 import { t } from '$lib/i18n/index.svelte';
 
+// Re-exported so the files view's grouping-helper barrel stays a single import
+// site; the implementation lives in the shared time util.
+export { relativeTimeAgo } from '$lib/utils/time';
+
 export type ViewMode = 'grid' | 'list';
 
 // ── Group-by / display helpers ───────────────────────────────────────────────
@@ -41,28 +45,6 @@ export function dateBucket(value: number | null | undefined): string {
 	return String(toDate(value).getFullYear());
 }
 
-/** Locale-aware relative "time ago" for grid-card metadata lines. */
-export function relativeTimeAgo(value: number | null | undefined): string {
-	if (!value) return '';
-	const date = toDate(value);
-	if (Number.isNaN(date.getTime())) return '';
-	const diffSec = Math.round((date.getTime() - Date.now()) / 1000);
-	const abs = Math.abs(diffSec);
-	const rtf = new Intl.RelativeTimeFormat(undefined, { numeric: 'auto' });
-	const units: Array<[Intl.RelativeTimeFormatUnit, number]> = [
-		['year', 31536000],
-		['month', 2592000],
-		['week', 604800],
-		['day', 86400],
-		['hour', 3600],
-		['minute', 60]
-	];
-	for (const [unit, secs] of units) {
-		if (abs >= secs) return rtf.format(Math.round(diffSec / secs), unit);
-	}
-	return rtf.format(diffSec, 'second');
-}
-
 /** Localise a file `category` (e.g. "Image") via files.file_types.* keys. */
 export function typeLabel(category: string | null | undefined): string {
 	if (!category) return t('files.file_types.document', 'Document');