feat: remove view state and add /trips route

frontend/src/App.tsx

@@ -1,11 +1,9 @@
 import React, { useState, useEffect } from "react";
-import { BrowserRouter as Router, Routes, Route, Link } from "react-router-dom";
+import { BrowserRouter as Router, Routes, Route, Link, Navigate } from "react-router-dom";
 import { getSeed, getTrips, getTripItems, toggleTripItem } from "./api";
 import ItemsPage from "./pages/ItemsPage";
 
 export default function App() {
-  const [view, setView] = useState<"trips" | "items">("trips");
-
   const [trips, setTrips] = useState<any[]>([]);
   const [items, setItems] = useState<Record<string, any[]>>({});
 
@@ -20,10 +18,8 @@ export default function App() {
   }
 
   useEffect(() => {
-    if (view === "trips") {
     loadTrips();
-    }
-  }, [view]);
+  }, []);
 
   return (
     <Router>
@@ -31,8 +27,18 @@ export default function App() {
         <h1 className="text-2xl font-bold mb-4">Packlist</h1>
 
         <div className="flex gap-2 mb-4">
+          <Link to="/trips">
+            <button className="bg-blue-500 text-white px-4 py-2 rounded">
+              Alle Trips
+            </button>
+          </Link>
+          <Link to="/items">
+            <button className="bg-green-500 text-white px-4 py-2 rounded">
+              Alle Items
+            </button>
+          </Link>
           <button
-            className="bg-blue-500 text-white px-4 py-2 rounded"
+            className="bg-gray-300 text-gray-800 px-4 py-2 rounded"
             onClick={async () => {
               await getSeed();
               await loadTrips();
@@ -40,16 +46,11 @@ export default function App() {
           >
             Seed-Daten erzeugen
           </button>
-          <Link to="/items">
-            <button className="bg-green-500 text-white px-4 py-2 rounded">
-              Alle Items
-            </button>
-          </Link>
         </div>
 
         <Routes>
           <Route
-            path="/"
+            path="/trips"
             element={
               <>
                 {trips.map((trip) => (
@@ -91,6 +92,8 @@ export default function App() {
             }
           />
           <Route path="/items" element={<ItemsPage />} />
+          {/* Optional: Redirect / to /trips */}
+          <Route path="/" element={<Navigate to="/trips" />} />
         </Routes>
       </div>
     </Router>