assertTrue(rule.isTarget(12, 30, 3)); // 12:30 on Tuesday
        assertFalse(rule.isTarget(12, 30, 2)); // 12:30 on Monday
    }

    @Test
    public void test_intervalRule_isTarget_dayOverflow() {
        IntervalRule rule = new IntervalRule("10:00", "18:00", "1", 1000); // Sunday only

        // Test day overflow (day 8 should be treated as day 1)