Initial commit: Second Brain Platform

Complete platform with unified design system and real API integration.

Apps: Dashboard, Fitness, Budget, Inventory, Trips, Reader, Media, Settings
Infrastructure: SvelteKit + Python gateway + Docker Compose

frontend-v2/src/routes/+layout.svelte

@@ -0,0 +1,20 @@
+<script lang="ts">
+	import '../app.css';
+	import { onMount } from 'svelte';
+	import { initTheme } from '$lib/stores/theme.svelte';
+
+	let { children } = $props();
+
+	onMount(() => {
+		initTheme();
+	});
+</script>
+
+<svelte:head>
+	<link rel="preconnect" href="https://fonts.googleapis.com" />
+	<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin="anonymous" />
+	<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet" />
+	<title>Platform</title>
+</svelte:head>
+
+{@render children()}