Add assertion for non-ghost towers in active calendar

Author: parneetbrar234-svg

lib/svg/layout.test.ts

@@ -113,6 +113,7 @@ describe('computeTowers edge cases', () => {
       ],
     } as unknown as ContributionCalendar;
     const towers = computeTowers(calendar, 'linear', '2024-06-10');
+    expect(towers.every((tower) => tower.isGhost === false)).toBe(true);
     expect(towers[0].isGhost).toBe(false);
     expect(towers[0].h).toBe(0); // 0 count non-ghost = 0 height
     expect(towers[0].strokeOpacity).toBe(0);

story-spark-ai

@@ -0,0 +1 @@
+Subproject commit 8ee415e977aa4983793e53bd06ec01eb1b3b1524