Add session rollback handling in Connection.java, improve resource management, and refine debug logging in LoginController.

database/src/main/java/com/alttd/altitudeweb/setup/Connection.java

@@ -97,10 +97,20 @@ public class Connection {
                 sqlSessionFactory = createSqlSessionFactory(settings, addMappers);
             }
 
-            try (SqlSession session = sqlSessionFactory.openSession()) {
+            SqlSession session = null;
+            try {
+                session = sqlSessionFactory.openSession();
                 consumer.accept(session);
+                session.commit();
             } catch (Exception e) {
+                if (session != null) {
+                    session.rollback();
+                }
                 log.error("Failed to run query", e);
+            } finally {
+                if (session != null) {
+                    session.close();
+                }
             }
         }).start();
     }