feat(manacore/web): add share via uLoad to calendar events and contacts

Adds ShareNetwork button and ShareModal to calendar event detail and
contact detail views for creating short links via shared-uload.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/manacore/apps/web/src/routes/(app)/calendar/+page.svelte

@@ -24,7 +24,8 @@
 		isToday,
 	} from 'date-fns';
 	import { de } from 'date-fns/locale';
-	import { CaretLeft, CaretRight, Plus } from '@manacore/shared-icons';
+	import { CaretLeft, CaretRight, Plus, ShareNetwork } from '@manacore/shared-icons';
+	import { ShareModal } from '@manacore/shared-uload';
 
 	const calendarsCtx: { readonly value: Calendar[] } = getContext('calendars');
 	const eventsCtx: { readonly value: CalendarEvent[] } = getContext('calendarEvents');
@@ -164,6 +165,14 @@
 		showEventForm = false;
 	}
 
+	// Share modal state
+	let shareEvent = $state<CalendarEvent | null>(null);
+	let shareUrl = $derived(
+		shareEvent
+			? `${typeof window !== 'undefined' ? window.location.origin : ''}/calendar?event=${shareEvent.id}`
+			: ''
+	);
+
 	// Hours for the week grid
 	const hours = Array.from({ length: 24 }, (_, i) => i);
 
@@ -540,6 +549,18 @@
 						>
 							Löschen
 						</button>
+						<button
+							type="button"
+							onclick={() => {
+								shareEvent = editingEvent;
+								showEventForm = false;
+							}}
+							class="flex items-center gap-1.5 rounded-lg px-4 py-2 text-sm font-medium text-muted-foreground hover:bg-muted transition-colors"
+							title="Kurzlink teilen"
+						>
+							<ShareNetwork size={16} />
+							Teilen
+						</button>
 					{/if}
 					<div class="flex-1"></div>
 					<button
@@ -562,6 +583,16 @@
 	</div>
 {/if}
 
+<!-- Share Modal (uLoad integration) -->
+<ShareModal
+	visible={shareEvent !== null}
+	onClose={() => (shareEvent = null)}
+	url={shareUrl}
+	title={shareEvent?.title ?? ''}
+	source="calendar"
+	description={shareEvent?.location ? `Ort: ${shareEvent.location}` : ''}
+/>
+
 <style>
 	.week-grid {
 		min-height: 100%;

apps/manacore/apps/web/src/routes/(app)/contacts/[id]/+page.svelte

@@ -16,7 +16,9 @@
 		MapPin,
 		Cake,
 		Note,
+		ShareNetwork,
 	} from '@manacore/shared-icons';
+	import { ShareModal } from '@manacore/shared-uload';
 
 	const allContacts$: Observable<Contact[]> = getContext('contacts');
 
@@ -78,6 +80,15 @@
 		await contactsStore.deleteContact(contact.id);
 		goto('/contacts');
 	}
+
+	// Share modal
+	let showShare = $state(false);
+	let shareUrl = $derived(
+		contact
+			? `${typeof window !== 'undefined' ? window.location.origin : ''}/contacts/${contact.id}`
+			: ''
+	);
+	let shareTitle = $derived(contact ? getDisplayName(contact) : '');
 </script>
 
 <svelte:head>
@@ -143,6 +154,13 @@
 
 				<!-- Actions -->
 				<div class="flex gap-1">
+					<button
+						onclick={() => (showShare = true)}
+						class="rounded-lg p-2 text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
+						title="Kurzlink teilen"
+					>
+						<ShareNetwork size={18} />
+					</button>
 					<button
 						onclick={() => startEdit()}
 						class="rounded-lg p-2 text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
@@ -368,3 +386,13 @@
 		{/if}
 	{/if}
 </div>
+
+<!-- Share Modal (uLoad integration) -->
+<ShareModal
+	visible={showShare}
+	onClose={() => (showShare = false)}
+	url={shareUrl}
+	title={shareTitle}
+	source="contacts"
+	description={contact?.company ? `${contact.jobTitle ?? ''} @ ${contact.company}`.trim() : ''}
+/>