assertEquals(1, technicalEmail.chars().filter(ch -> ch == '@').count());
        assertEquals(1, supportEmail.chars().filter(ch -> ch == '@').count());
    }

    @Test
    public void test_defaultSettings_securityConfiguration() throws Exception {
        // Verify security settings are properly configured with appropriate defaults
        Map<String, Object> defaultSettings = createDefaultSettings();

Shinsuke Sugaya <******@****.***> 1768400947 +0900