TA 역할 Spring 경계 smoke (role-ta-live-1522-001)

src/main/java/com/klaroworks/runtime/rolematrix/domain/RoleMatrix.java

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+package com.klaroworks.runtime.rolematrix.domain;
+
+import jakarta.persistence.*;
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+
+/** 역할 매트릭스 엔티티 */
+@Entity
+@Table(name = "role_matrices")
+public class RoleMatrix {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false, unique = true)
+    private String name;
+
+    @Column(length = 1000)
+    private String description;
+
+    @ElementCollection(fetch = FetchType.EAGER)
+    @CollectionTable(name = "role_matrix_permissions", joinColumns = @JoinColumn(name = "role_matrix_id"))
+    @Column(name = "permission_id")
+    private List<String> permissionIds = new ArrayList<>();
+
+    @Column(nullable = false, updatable = false)
+    private Instant createdAt;
+
+    @Column(nullable = false)
+    private Instant updatedAt;
+
+    @Version
+    private Long version;
+
+    protected RoleMatrix() {}
+
+    private RoleMatrix(String name, String description) {
+        this.name = name;
+        this.description = description;
+        this.createdAt = Instant.now();
+        this.updatedAt = Instant.now();
+    }
+
+    public static RoleMatrix create(String name, String description) {
+        return new RoleMatrix(name, description);
+    }
+
+    public void update(String name, String description) {
+        if (name != null) this.name = name;
+        if (description != null) this.description = description;
+        this.updatedAt = Instant.now();
+    }
+
+    public void syncPermissions(List<String> permissionIds) {
+        this.permissionIds.clear();
+        if (permissionIds != null) this.permissionIds.addAll(permissionIds);
+        this.updatedAt = Instant.now();
+    }
+
+    public Long getId() { return id; }
+    public String getName() { return name; }
+    public String getDescription() { return description; }
+    public List<String> getPermissionIds() { return List.copyOf(permissionIds); }
+    public Instant getCreatedAt() { return createdAt; }
+    public Instant getUpdatedAt() { return updatedAt; }
+    public Long getVersion() { return version; }
+}