Major rework: multi-user accounts (register/login, per-user data isolation), new layout with sidebar/dashboard/profile menu, matrix phase view with collapsible category columns, life timeline with ages per phase, live budget capping, collapsible transitions, mobile support

src/middleware.ts

@@ -1,7 +1,7 @@
 import { NextRequest, NextResponse } from "next/server";
 import { SESSION_COOKIE_NAME, verifySessionToken } from "@/lib/auth";
 
-const PUBLIC_PATHS = ["/login", "/api/auth/login", "/api/auth/setup", "/api/auth/status"];
+const PUBLIC_PATHS = ["/login", "/api/auth/login", "/api/auth/register"];
 
 export async function middleware(request: NextRequest) {
   const { pathname } = request.nextUrl;
@@ -15,9 +15,9 @@ export async function middleware(request: NextRequest) {
   }
 
   const token = request.cookies.get(SESSION_COOKIE_NAME)?.value;
-  const isAuthenticated = token ? await verifySessionToken(token) : false;
+  const userId = token ? await verifySessionToken(token) : null;
 
-  if (!isAuthenticated) {
+  if (!userId) {
     if (pathname.startsWith("/api")) {
       return NextResponse.json({ error: "Nicht authentifiziert." }, { status: 401 });
     }