feat(games): add coming badge for unreleased games

src/pages/GameLibrary.test.jsx

@@ -62,6 +62,20 @@ afterEach(() => {
 });
 
 describe('GameLibrary search', () => {
+    it('shows the coming badge only for a game that is not released yet', async () => {
+        answer([
+            {...page.content[0], coming: true, comingOn: '2026-12-04'},
+            {appid: 620, name: 'Portal 2', playtimeMinutes: 0, status: 'BACKLOG', coming: false, comingOn: null},
+        ]);
+        renderLibrary();
+
+        await screen.findByText('Portal 2');
+
+        expect(screen.getAllByText('LIBRARY.COMING')).toHaveLength(1);
+        expect(screen.getByText('Half-Life 2').closest('li').textContent).toContain('LIBRARY.COMING');
+        expect(screen.getByText('Portal 2').closest('li').textContent).not.toContain('LIBRARY.COMING');
+    });
+
     it('shows the achievement progress of a game when it is known', async () => {
         answer([
             {...page.content[0], achievementsUnlocked: 3, achievementsTotal: 4},