fix(stats): open game detail pages from stat lists, perfect games clickable

Add perfect games click-through on the dashboard. Remove Steam store
links from game lists. Stat numbers with count 0 are not clickable.
Tests cover the perfect-games click, zero guards, and owner versus
visitor behavior.

src/pages/PointsPage.test.jsx

@@ -121,6 +121,13 @@ describe('PointsPage', () => {
         expect(within(item).queryByRole('button')).toBeNull();
     });
 
+    it('shows no button on a locked bar without progress', async () => {
+        await renderPage({'GET /api/rewards/wallet': json(200, wallet({progress: {GAMES_FINISHED: 0}}))});
+
+        const item = screen.getByText('POINTS.ITEMS.BADGE_FINISH_10').closest('li');
+        expect(within(item).queryByRole('button')).toBeNull();
+    });
+
     it('caps the progress at the target', async () => {
         await renderPage();