refactor(worldtravel): remove insert_id fields from city, country, and region models; update related migration

feat(search): enhance search results display with total results count and improved layout
fix(profile): update achievement levels based on adventure count; remove unused quick actions
refactor(shared): delete unused shared collections route and related components
feat(worldtravel): improve interactive map functionality and layout in world travel detail view

frontend/src/lib/components/AdventureCard.svelte

@@ -277,7 +277,7 @@
 							on:click={() => goto(`/adventures/${adventure.id}`)}
 						>
 							<Launch class="w-4 h-4" />
-							View Details
+							{$t('adventures.open_details')}
 						</button>
 
 						{#if adventure.user_id == user?.uuid || (collection && user && collection.shared_with?.includes(user.uuid))}

frontend/src/lib/components/Avatar.svelte

@@ -5,7 +5,6 @@
 	// Icons
 	import Account from '~icons/mdi/account';
 	import MapMarker from '~icons/mdi/map-marker';
-	import Share from '~icons/mdi/share-variant';
 	import Shield from '~icons/mdi/shield-account';
 	import Settings from '~icons/mdi/cog';
 	import Logout from '~icons/mdi/logout';
@@ -37,12 +36,6 @@
 			label: 'navbar.my_adventures',
 			section: 'main'
 		},
-		{
-			path: '/shared',
-			icon: Share,
-			label: 'navbar.shared_with_me',
-			section: 'main'
-		},
 		{
 			path: '/settings',
 			icon: Settings,