chore: misc fixes, new services, lockfile cleanup

Assorted changes from recent sessions:
- .gitignore: add mana-sync binary, Forgejo data
- chat/web: add isSidebarMode to navigation store
- clock/web: fix alarm page markup
- contacts/mukke/presi/questions: add svelte.config.js aliases
- context/web: add missing dependency
- manacore/landing: update pricing page
- manacore/web + todo/web: update mana dashboard pages
- planta/web: fix dashboard layout
- pnpm-lock.yaml: cleanup after backend removals
- docs/APP_GAP_ANALYSIS.md: new gap analysis doc
- services/mana-analytics: add Dockerfile
- services/mana-subscriptions: new Go subscription service

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

apps/presi/apps/web/svelte.config.js

@@ -11,6 +11,13 @@ const config = {
 		alias: {
 			$lib: './src/lib',
 		},
+		prerender: {
+			handleHttpError: ({ path, referrer, message }) => {
+				// Ignore missing favicon during prerender
+				if (path === '/favicon.png') return;
+				throw new Error(message);
+			},
+		},
 	},
 };