change trackpoint format to match server expectation

test/local-routes.test.js

@@ -324,7 +324,7 @@ test('local route package stores GPX and JSON separately and reconstructs an app
 
   const saved = api.save({
     id: routeId,
-    gpx: sampleGpx,
+    gpx: api.emptyGpx('Neue Route'),
     route: {
       id: routeId,
       name: 'Neue Route',
@@ -365,9 +365,10 @@ test('local route package stores GPX and JSON separately and reconstructs an app
   const gpx = localStorage.getItem(`${prefix}.${encodedId}.gpx`);
   const metadata = JSON.parse(localStorage.getItem(`${prefix}.${encodedId}.json`));
 
-  assert.match(gpx, /<wpt lat="50\.1" lon="10\.1">/);
+  assert.match(gpx, /<trkpt lat="50\.1" lon="10\.1">/);
   assert.match(gpx, /<wegwichtel:poiId>101<\/wegwichtel:poiId>/);
-  assert.ok(gpx.indexOf('<wpt') < gpx.indexOf('<trk>'), 'GPX waypoints must be serialized before the track');
+  assert.doesNotMatch(gpx, /<wpt/);
+  assert.equal((gpx.match(/<trkpt /g) || []).length, 2);
   assert.equal(metadata.route.name, 'Neue Route');
   assert.equal(metadata.route.serverRouteId, 42);
   assert.equal(metadata.route.uploadedAt, '2026-09-27T18:00:00.000Z');
@@ -383,7 +384,7 @@ test('local route package stores GPX and JSON separately and reconstructs an app
   assert.equal(appRoute.pois[0].images[0].url, 'data:image/jpeg;base64,Qg==');
   assert.equal(appRoute.points.length, 2);
   assert.ok(appRoute.distanceM > 0);
-  assert.equal(Math.round(appRoute.elevationGainM), 12);
+  assert.equal(Math.round(appRoute.elevationGainM), 0);
   const listed = api.listAppRoutes();
   assert.equal(listed.length, 1);
   assert.equal(listed[0].id, routeId);
@@ -405,10 +406,49 @@ test('GPX waypoint import reads stable POI ids and validates coordinates', async
 
   const waypointOnly = api.syncGpx(
     `<gpx version="1.1" xmlns="${GPX_NAMESPACE}"></gpx>`,
-    { name: 'Nur POI' },
-    [{ id: 2, title: 'Einzelner POI', lat: 50.2, lon: 10.2, sequence: 0 }]
+    { name: 'Nur Trackpunkt' },
+    [{ id: 2, title: 'Einzelner Trackpunkt', lat: 50.2, lon: 10.2, sequence: 0 }]
   );
-  assert.match(waypointOnly, /<wpt lat="50.2" lon="10.2">/);
+  assert.match(waypointOnly, /<trkpt lat="50.2" lon="10.2">/);
+  assert.doesNotMatch(waypointOnly, /<wpt\b/);
+});
+
+test('local points are stored directly as managed GPX track points and uploaded unchanged', async () => {
+  const { api } = await loadLocalRoutes();
+  const saved = api.save({
+    id: 'local-upload',
+    gpx: api.emptyGpx('Lokale Strecke'),
+    route: { name: 'Lokale Strecke' },
+    pois: [
+      { id: 1, title: 'Start', lat: 50.123456789, lon: 10.987654321, sequence: 0 },
+      { id: 2, title: 'Ziel', lat: 50.223456789, lon: 11.087654321, sequence: 1 }
+    ]
+  });
+
+  assert.match(saved.gpx, /<trkpt lat="50\.123456789" lon="10\.987654321">/);
+  assert.match(saved.gpx, /<trkpt lat="50\.223456789" lon="11\.087654321">/);
+  assert.match(saved.gpx, /<wegwichtel:poiId>1<\/wegwichtel:poiId>/);
+  assert.equal((saved.gpx.match(/<trkpt /g) || []).length, 2);
+  assert.doesNotMatch(saved.gpx, /<wpt\b/);
+  assert.equal(api.gpxForUpload(saved), saved.gpx, 'upload must use the already stored track without conversion');
+});
+
+test('sync keeps imported foreign track points and upload rejects a route without track points', async () => {
+  const { api } = await loadLocalRoutes();
+  const synced = api.syncGpx(sampleGpx, { name: 'Import' }, [
+    { id: 200, title: 'Neuer Trackpunkt', lat: 50.2, lon: 10.2, sequence: 0 }
+  ]);
+
+  assert.match(synced, /<ele>100<\/ele>/);
+  assert.match(synced, /<ele>112<\/ele>/);
+  assert.match(synced, /<wegwichtel:poiId>200<\/wegwichtel:poiId>/);
+  assert.equal((synced.match(/<trkpt /g) || []).length, 3);
+  assert.equal(api.gpxForUpload({ gpx: sampleGpx, route: { name: 'Import' }, pois: [] }), sampleGpx);
+  assert.throws(() => api.gpxForUpload({
+    gpx: api.emptyGpx('Leer'),
+    route: { name: 'Leer' },
+    pois: []
+  }), /noch keine GPX-Trackpunkte/);
 });
 
 test('remove updates index and dispatches a local-route change event', async () => {