Initial commit: timeline-elements-demo app

Interactive Angular 19 demo for @sda/timeline-elements-ui with
vertical/horizontal timelines, Gantt charts, activity feeds,
audit trails, changelogs, and dark mode toggle.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/app/mock-data/activity-data.ts

@@ -0,0 +1,84 @@
+import type { TlActivityItem } from '@sda/timeline-elements-ui';
+
+export const RECENT_ACTIVITY: TlActivityItem[] = [
+  {
+    id: '1',
+    actor: { id: '1', name: 'Sarah Johnson', avatar: '', initials: 'SJ' },
+    action: 'created',
+    target: 'Incident Report #2453',
+    description: 'Fall in dining area - resident Mrs. Anderson',
+    date: new Date(Date.now() - 1000 * 60 * 15),
+    type: 'create',
+    unread: true,
+  },
+  {
+    id: '2',
+    actor: { id: '2', name: 'Michael Chen', avatar: '', initials: 'MC' },
+    action: 'updated',
+    target: 'Care Plan',
+    description: 'Revised medication schedule for Mr. Roberts',
+    date: new Date(Date.now() - 1000 * 60 * 45),
+    type: 'update',
+    unread: true,
+  },
+  {
+    id: '3',
+    actor: { id: '3', name: 'Emily Davis', avatar: '', initials: 'ED' },
+    action: 'commented on',
+    target: 'Incident Report #2453',
+    description: 'Added witness statement and photos',
+    date: new Date(Date.now() - 1000 * 60 * 120),
+    type: 'comment',
+    unread: false,
+  },
+  {
+    id: '4',
+    actor: { id: '4', name: 'System', avatar: '', initials: 'SY' },
+    action: 'assigned',
+    target: 'Maintenance Task #891',
+    description: 'Broken window in Room 12 → Facilities Team',
+    date: new Date(Date.now() - 1000 * 60 * 240),
+    type: 'assign',
+    unread: false,
+  },
+  {
+    id: '5',
+    actor: { id: '1', name: 'Sarah Johnson', avatar: '', initials: 'SJ' },
+    action: 'uploaded',
+    target: '3 documents',
+    description: 'Medical reports for quarterly review',
+    date: new Date(Date.now() - 1000 * 60 * 360),
+    type: 'upload',
+    unread: false,
+  },
+  {
+    id: '6',
+    actor: { id: '5', name: 'David Martinez', avatar: '', initials: 'DM' },
+    action: 'completed',
+    target: 'Fire Safety Drill',
+    description: 'All residents and staff participated successfully',
+    date: new Date(Date.now() - 1000 * 60 * 60 * 24),
+    type: 'status',
+    unread: false,
+  },
+  {
+    id: '7',
+    actor: { id: '3', name: 'Emily Davis', avatar: '', initials: 'ED' },
+    action: 'shared',
+    target: 'Weekly Schedule',
+    description: 'Activity calendar shared with family members',
+    date: new Date(Date.now() - 1000 * 60 * 60 * 36),
+    type: 'share',
+    unread: false,
+  },
+  {
+    id: '8',
+    actor: { id: '4', name: 'System', avatar: '', initials: 'SY' },
+    action: 'sent',
+    target: 'Medication Reminder',
+    description: 'Automated reminders sent to nursing staff',
+    date: new Date(Date.now() - 1000 * 60 * 60 * 48),
+    type: 'system',
+    unread: false,
+  },
+];