Add user account management methods and update user-related mappers

src/main/java/com/gameplatform/server/model/dto/account/AccountCreateRequest.java

@@ -0,0 +1,36 @@
+package com.gameplatform.server.model.dto.account;
+
+import jakarta.validation.constraints.*;
+
+public class AccountCreateRequest {
+    @NotBlank
+    private String userType; // ADMIN | AGENT
+    @NotBlank
+    @Size(min = 3, max = 64)
+    private String username;
+    @Size(max = 100)
+    private String displayName;
+    private String role; // for ADMIN: SUPER | ADMIN
+    private String status = "ENABLED"; // ENABLED | DISABLED
+    @NotBlank
+    @Size(min = 6, max = 128)
+    private String initialPassword;
+    @Min(0)
+    private Long pointsBalance = 0L; // for AGENT
+
+    public String getUserType() { return userType; }
+    public void setUserType(String userType) { this.userType = userType; }
+    public String getUsername() { return username; }
+    public void setUsername(String username) { this.username = username; }
+    public String getDisplayName() { return displayName; }
+    public void setDisplayName(String displayName) { this.displayName = displayName; }
+    public String getRole() { return role; }
+    public void setRole(String role) { this.role = role; }
+    public String getStatus() { return status; }
+    public void setStatus(String status) { this.status = status; }
+    public String getInitialPassword() { return initialPassword; }
+    public void setInitialPassword(String initialPassword) { this.initialPassword = initialPassword; }
+    public Long getPointsBalance() { return pointsBalance; }
+    public void setPointsBalance(Long pointsBalance) { this.pointsBalance = pointsBalance; }
+}
+

src/main/java/com/gameplatform/server/model/dto/account/AccountResponse.java

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+package com.gameplatform.server.model.dto.account;
+
+import java.time.LocalDateTime;
+
+public class AccountResponse {
+    private Long id;
+    private String userType;
+    private String username;
+    private String displayName;
+    private String role;
+    private String status;
+    private Long pointsBalance;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public String getUserType() { return userType; }
+    public void setUserType(String userType) { this.userType = userType; }
+    public String getUsername() { return username; }
+    public void setUsername(String username) { this.username = username; }
+    public String getDisplayName() { return displayName; }
+    public void setDisplayName(String displayName) { this.displayName = displayName; }
+    public String getRole() { return role; }
+    public void setRole(String role) { this.role = role; }
+    public String getStatus() { return status; }
+    public void setStatus(String status) { this.status = status; }
+    public Long getPointsBalance() { return pointsBalance; }
+    public void setPointsBalance(Long pointsBalance) { this.pointsBalance = pointsBalance; }
+    public LocalDateTime getCreatedAt() { return createdAt; }
+    public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }
+    public LocalDateTime getUpdatedAt() { return updatedAt; }
+    public void setUpdatedAt(LocalDateTime updatedAt) { this.updatedAt = updatedAt; }
+}
+

src/main/java/com/gameplatform/server/model/dto/account/AccountUpdateRequest.java

@@ -0,0 +1,18 @@
+package com.gameplatform.server.model.dto.account;
+
+import jakarta.validation.constraints.Size;
+
+public class AccountUpdateRequest {
+    @Size(max = 100)
+    private String displayName;
+    private String role;   // SUPER | ADMIN (only for ADMIN)
+    private String status; // ENABLED | DISABLED
+
+    public String getDisplayName() { return displayName; }
+    public void setDisplayName(String displayName) { this.displayName = displayName; }
+    public String getRole() { return role; }
+    public void setRole(String role) { this.role = role; }
+    public String getStatus() { return status; }
+    public void setStatus(String status) { this.status = status; }
+}
+

src/main/java/com/gameplatform/server/model/dto/account/ResetPasswordRequest.java

@@ -0,0 +1,17 @@
+package com.gameplatform.server.model.dto.account;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+
+public class ResetPasswordRequest {
+    @NotBlank
+    @Size(min = 6, max = 128)
+    private String newPassword;
+    private Boolean forceLogout = Boolean.TRUE;
+
+    public String getNewPassword() { return newPassword; }
+    public void setNewPassword(String newPassword) { this.newPassword = newPassword; }
+    public Boolean getForceLogout() { return forceLogout; }
+    public void setForceLogout(Boolean forceLogout) { this.forceLogout = forceLogout; }
+}
+

src/main/java/com/gameplatform/server/model/dto/common/PageResult.java

@@ -0,0 +1,29 @@
+package com.gameplatform.server.model.dto.common;
+
+import java.util.List;
+
+public class PageResult<T> {
+    private List<T> items;
+    private long total;
+    private int page;
+    private int size;
+
+    public PageResult() {}
+
+    public PageResult(List<T> items, long total, int page, int size) {
+        this.items = items;
+        this.total = total;
+        this.page = page;
+        this.size = size;
+    }
+
+    public List<T> getItems() { return items; }
+    public void setItems(List<T> items) { this.items = items; }
+    public long getTotal() { return total; }
+    public void setTotal(long total) { this.total = total; }
+    public int getPage() { return page; }
+    public void setPage(int page) { this.page = page; }
+    public int getSize() { return size; }
+    public void setSize(int size) { this.size = size; }
+}
+