Initial commit: ExaMetra v1.0.0 — Free & open-source competence & grading platform

Features:
- 15+ views: Dashboard, Classes, Progress, Flower, Matrix, Assessments, Grading, Reports, Attendance, Calendar, Lesson Plans, Analytics, Parent Communication, Behavior Tracking, Settings
- 34+ API endpoints
- 30+ Prisma models
- 700+ i18n keys (German + English)
- Keyboard shortcuts (Cmd+K, Cmd+1-9, Cmd+/)
- Batch deletion, drag-and-drop seating, custom color palette
- Demo accounts (admin, teacher, student, parent)
- Dark mode, responsive design, print styles
- CSV/PDF export, notification system, onboarding tour
- Zero emojis — all replaced with Lucide icons
- MIT License

src/app/page.tsx

@@ -0,0 +1,50 @@
+'use client';
+
+import React, { useEffect } from 'react';
+import { useAppStore } from '@/lib/store';
+import { fetchCurrentUser } from '@/lib/api';
+import AuthView from '@/components/auth-view';
+import AppLayout from '@/components/app-layout';
+
+export default function Home() {
+  const currentUser = useAppStore((s) => s.currentUser);
+  const isLoadingAuth = useAppStore((s) => s.isLoadingAuth);
+  const setCurrentUser = useAppStore((s) => s.setCurrentUser);
+
+  useEffect(() => {
+    async function checkAuth() {
+      try {
+        const user = await fetchCurrentUser();
+        if (user && !user.error) {
+          setCurrentUser(user);
+          // Sync locale from user preference
+          if (user.locale) {
+            useAppStore.getState().setLocale(user.locale);
+          }
+        } else {
+          setCurrentUser(null);
+        }
+      } catch {
+        setCurrentUser(null);
+      }
+    }
+    checkAuth();
+  }, []);
+
+  if (isLoadingAuth) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-emerald-50 via-white to-teal-50 dark:from-gray-950 dark:via-gray-900 dark:to-emerald-950">
+        <div className="flex items-center gap-3">
+          <div className="h-6 w-6 animate-spin rounded-full border-2 border-emerald-500 border-t-transparent" />
+          <span className="text-gray-500 dark:text-gray-400">Loading...</span>
+        </div>
+      </div>
+    );
+  }
+
+  if (!currentUser) {
+    return <AuthView />;
+  }
+
+  return <AppLayout />;
+}