fix(admin): UX Control Center — даты Inbox, bulk, фильтры событий, палитра по ID

Refs EventHub/EventHubFrontAdmin#32

Co-authored-by: Cursor <cursoragent@cursor.com>

src/utils/datetime.ts

@@ -0,0 +1,52 @@
+import dayjs from 'dayjs';
+import i18n from '@/i18n';
+
+/**
+ * Formats dates for UI. Tolerates ISO and values already shaped by normalizeData
+ * (`DD.MM.YYYY HH:mm`), so dayjs().format() is not applied twice.
+ */
+export function formatDateTime(
+    value: string | null | undefined,
+    pattern: 'DD.MM.YYYY HH:mm' | 'DD.MM HH:mm' = 'DD.MM.YYYY HH:mm'
+): string {
+    if (!value || value === '-') return '-';
+
+    const localized = value.match(/^(\d{2})\.(\d{2})\.(\d{4})(?:\s+(\d{2}):(\d{2}))?/);
+    if (localized) {
+        const [, dd, mm, yyyy, hh, min] = localized;
+        if (pattern === 'DD.MM HH:mm') {
+            return hh != null ? `${dd}.${mm} ${hh}:${min}` : `${dd}.${mm}`;
+        }
+        return hh != null ? `${dd}.${mm}.${yyyy} ${hh}:${min}` : `${dd}.${mm}.${yyyy}`;
+    }
+
+    const d = dayjs(value);
+    if (!d.isValid()) return value;
+    return d.format(pattern);
+}
+
+/** Relative age for inbox queues (works with ISO or normalizeData-local strings). */
+export function formatRelativeAge(value: string | null | undefined): string {
+    if (!value || value === '-') return '-';
+
+    let d = dayjs(value);
+    if (!d.isValid()) {
+        const m = value.match(/^(\d{2})\.(\d{2})\.(\d{4})(?:\s+(\d{2}):(\d{2}))?/);
+        if (m) {
+            const [, dd, mm, yyyy, hh = '00', min = '00'] = m;
+            d = dayjs(`${yyyy}-${mm}-${dd}T${hh}:${min}:00`);
+        }
+    }
+    if (!d.isValid()) return formatDateTime(value, 'DD.MM HH:mm');
+
+    const now = dayjs();
+    const mins = now.diff(d, 'minute');
+    if (mins < 1) return i18n.t('common.ageJustNow');
+    if (mins < 60) return i18n.t('common.ageMinutes', { count: mins });
+    const hours = now.diff(d, 'hour');
+    if (hours < 24) return i18n.t('common.ageHours', { count: hours });
+    const days = now.diff(d, 'day');
+    if (days === 1) return i18n.t('common.ageYesterday');
+    if (days < 7) return i18n.t('common.ageDays', { count: days });
+    return formatDateTime(value, 'DD.MM HH:mm');
+}