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>

services/mana-subscriptions/src/middleware/error-handler.ts

@@ -0,0 +1,29 @@
+/**
+ * Global error handler middleware for Hono.
+ */
+
+import type { ErrorHandler } from 'hono';
+import { HTTPException } from 'hono/http-exception';
+
+export const errorHandler: ErrorHandler = (err, c) => {
+	if (err instanceof HTTPException) {
+		const cause = err.cause as Record<string, unknown> | undefined;
+		return c.json(
+			{
+				statusCode: err.status,
+				message: err.message,
+				...(cause ? { details: cause } : {}),
+			},
+			err.status
+		);
+	}
+
+	console.error('Unhandled error:', err);
+	return c.json(
+		{
+			statusCode: 500,
+			message: 'Internal server error',
+		},
+		500
+	);
+};