feat(points): show early finish and expected points on questions

Core pays 10 early points for an unproven Steam finish. The rest
comes with proof. Show this in the toast and the game line.
Questions cards show the full value from GET /api/rewards/expected.

src/pages/QuestionsPage.test.jsx

@@ -14,7 +14,11 @@ const card = (appid, question, name = `Game ${appid}`) => ({appid, name, imageUr
     playtimeMinutes: 1500, normallyMinutes: null, lastActivity: null});
 
 const booked = (appid) => ({balance: 30, missing: {}, paid: [{kind: 'FINISHED', appid, points: 30, paidAt: '2026-10-09T10:00:00Z', bookedNow: true}]});
-const WALLET = {'GET /api/rewards/wallet': json(200, {balance: 30, catalog: [], owned: [], equipped: {}, history: []})};
+const WALLET = {
+    'GET /api/rewards/wallet': json(200, {balance: 30, catalog: [], owned: [], equipped: {}, history: []}),
+    'GET /api/rewards/expected': json(200, {}),
+};
+const expectedCalls = () => globalThis.fetch.mock.calls.filter(([url]) => url.includes('/api/rewards/expected'));
 const pointsCalls = () => globalThis.fetch.mock.calls.filter(([url]) => url.includes('/api/rewards/games/'));
 
 const renderPage = (routes) => {
@@ -161,6 +165,45 @@ describe('QuestionsPage', () => {
         expect(screen.getByText('Game 1')).toBeTruthy();
     });
 
+    it('showsTheExpectedPointsOnAFinishedCardOnly', async () => {
+        renderPage({
+            'GET /api/library/questions': json(200, {results: [card(1, 'FINISHED'), card(2, 'FINISHED'), card(3, 'START')]}),
+            'GET /api/rewards/expected': json(200, {1: 50, 2: 0}),
+        });
+
+        expect(await screen.findByText('QUESTIONS.FINISHED.POINTS:50')).toBeTruthy();
+        expect(screen.getAllByText(/^QUESTIONS.FINISHED.POINTS/)).toHaveLength(1);
+        expect(expectedCalls()[0][0]).toContain('appids=1,2');
+    });
+
+    it('asksForTheExpectedPointsOfEveryFinishedCardInChunks', async () => {
+        const cards = Array.from({length: 201}, (_, i) => card(i + 1, 'FINISHED'));
+        renderPage({'GET /api/library/questions': json(200, {results: cards})});
+
+        await waitFor(() => expect(expectedCalls().length).toBeGreaterThan(0));
+        const asked = expectedCalls().flatMap(([url]) => new URL(url, 'http://x').searchParams.get('appids').split(','));
+        expect(asked).toContain('201');
+    });
+
+    it('asksForNoExpectedPointsWithoutAFinishedCard', async () => {
+        renderPage({'GET /api/library/questions': json(200, {results: [card(1, 'START')]})});
+        await screen.findByText('Game 1');
+
+        expect(expectedCalls()).toHaveLength(0);
+    });
+
+    it('showsNoPointsLineAndNoErrorWhenTheExpectedCallFails', async () => {
+        renderPage({
+            'GET /api/library/questions': json(200, {results: [card(1, 'FINISHED')]}),
+            'GET /api/rewards/expected': json(500, {}),
+        });
+
+        expect(await screen.findByText('Game 1')).toBeTruthy();
+        await waitFor(() => expect(expectedCalls()).toHaveLength(1));
+        expect(screen.queryByText(/^QUESTIONS.FINISHED.POINTS/)).toBeNull();
+        expect(screen.queryByText('INFO.ERROR.NETWORK_FAILURE')).toBeNull();
+    });
+
     it('showsTheEmptyState', async () => {
         renderPage({'GET /api/library/questions': json(200, {results: []})});