fix: default dispatchStatus/empStatus for employee create

backend/src/main/java/com/srsystem/entity/Employee.java

@@ -44,17 +44,20 @@ public class Employee extends BaseEntity {
     @Column(name = "phone", length = 20)
     private String phone;
 
+    @Builder.Default
     @Enumerated(EnumType.STRING)
     @Column(name = "role_code", nullable = false, length = 20)
-    private RoleCode roleCode;
+    private RoleCode roleCode = RoleCode.EMPLOYEE;
 
+    @Builder.Default
     @Enumerated(EnumType.STRING)
     @Column(name = "emp_status", nullable = false, length = 20)
-    private EmpStatus empStatus;
+    private EmpStatus empStatus = EmpStatus.ACTIVE;
 
+    @Builder.Default
     @Enumerated(EnumType.STRING)
     @Column(name = "dispatch_status", nullable = false, length = 20)
-    private DispatchStatus dispatchStatus;
+    private DispatchStatus dispatchStatus = DispatchStatus.WAITING;
 
     @Column(name = "joined_date")
     private LocalDate joinedDate;