Refactor code structure for improved readability and maintainability

apps/landing/src/main.tsx

@@ -1,3 +1,17 @@
+// ─── Optional Telemetry Bootstrap ───────────────────────────────
+// Landing app uses minimal telemetry. Remove this block entirely
+// if you want zero observability overhead.
+import { initTelemetry } from '@repo/core-api/observability/setup';
+
+initTelemetry({
+  appName: import.meta.env.VITE_APP_NAME || 'fe-monorepo-landing',
+  appVersion: import.meta.env.VITE_APP_VERSION || '0.0.0',
+  telemetryUrl: import.meta.env.VITE_FARO_URL || 'https://telemetry.eigen.co.id/collect',
+  environment: import.meta.env.VITE_ENV || 'development',
+  // No otlpTraceUrl — only Faro collector, minimal overhead
+});
+
+// ─── Application Bootstrap ──────────────────────────────────────
 import './main.css';
 import { StrictMode } from 'react';
 import { createRoot } from 'react-dom/client';