fix(nav): add missing Phosphor icons for Mukke, Context, Todo, and Storage

Added 9 missing icons to PillNavigation phosphorIcons map: music-notes,
playlist, waveform, file-text, sparkle, sparkles, share, trash, filter.
These were previously rendering as empty SVGs due to missing mappings.

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

packages/shared-ui/src/navigation/PillNavigation.svelte

@@ -60,6 +60,14 @@
 		Key,
 		Shield,
 		Gift,
+		MusicNotes,
+		Playlist,
+		Waveform,
+		FileText,
+		Sparkle,
+		ShareFat,
+		Trash,
+		Funnel,
 	} from '@manacore/shared-icons';
 
 	// Map icon names to Phosphor components
@@ -115,6 +123,15 @@
 		key: Key,
 		shield: Shield,
 		gift: Gift,
+		'music-notes': MusicNotes,
+		playlist: Playlist,
+		waveform: Waveform,
+		'file-text': FileText,
+		sparkle: Sparkle,
+		sparkles: Sparkle,
+		share: ShareFat,
+		trash: Trash,
+		filter: Funnel,
 	};
 
 	// Convert app items to dropdown items (will be computed as derived)