Resolve external opponent TTR ratings and show lookup diagnostics

frontend/tests/ttrPreview.test.mjs

@@ -84,3 +84,40 @@ test('standalone test mode calls the API and keeps real pairings without inventi
     assert.equal(rows[0].homeTtr, null);
     assert.equal(rows[0].preview, null);
 });
+
+test('TTR requests include displayed singles even when legacy lineup metadata is missing', () => {
+    const report = dialog();
+    report.meetingDetails = { teamLineupHomePlayers: [{ firstname: 'Anton', lastname: 'Schottdorf', nuLigaPersonId: 123 }] };
+    const home = report.ttrLineupPlayers('home');
+    assert.equal(home.length, 1);
+    assert.equal(home[0].nuLigaPersonId, 123);
+    const guest = report.ttrLineupPlayers('guest');
+    assert.equal(guest.length, 1);
+    assert.equal(guest[0].name, 'Yumin Kim');
+});
+
+test('test mode on a saved report calls the real endpoint and exposes lookup diagnostics', async () => {
+    const report = dialog();
+    Object.assign(report, {
+        standaloneTest: false,
+        isTestMode: true,
+        canOpenTtrPreview: true,
+        match: { id: 42 },
+        meetingDetails: {},
+        meetingData: { homeClub: 'TSV 1875 Bonames', guestClub: 'Eintracht Frankfurt' },
+    });
+    const originalPost = context.apiClient.post;
+    context.apiClient.post = async (url, body) => {
+        assert.equal(url, '/matches/42/ttr-preview');
+        assert.equal(body.homeClubName, 'TSV 1875 Bonames');
+        assert.equal(body.homePlayers[0].name, 'Anton Schottdorf');
+        return { data: { players: [], diagnostics: [{ side: 'home', message: 'Session abgelaufen' }] } };
+    };
+    try {
+        await report.loadTtrPreview();
+        assert.equal(report.ttrDiagnostics[0].message, 'Session abgelaufen');
+        assert.equal(report.ttrLoading, false);
+    } finally {
+        context.apiClient.post = originalPost;
+    }
+});