feat: 포인트 적립내역 조회 — GET /auth/point-history

- point_history 최신순 조회(최대 100건), PointHistoryResponse
- PointService.getHistory, 인터셉터 경로 등록

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/main/java/com/sb/web/auth/controller/AuthController.java

@@ -87,6 +87,13 @@ public class AuthController {
         return java.util.Map.of("points", pointService.getPoints(current.getId()));
     }
 
+    /** 포인트 적립/차감 내역 (최신순) */
+    @GetMapping("/point-history")
+    public java.util.List<com.sb.web.point.PointHistoryResponse> pointHistory(
+            @RequestAttribute(AuthInterceptor.CURRENT_MEMBER) SessionUser current) {
+        return pointService.getHistory(current.getId());
+    }
+
     @PutMapping("/password")
     public ResponseEntity<Void> changePassword(
             @Valid @RequestBody PasswordChangeRequest req,

src/main/java/com/sb/web/common/config/WebConfig.java

@@ -25,7 +25,8 @@ public class WebConfig implements WebMvcConfigurer {
     public void addInterceptors(InterceptorRegistry registry) {
         // 인증: 로그인 필요한 경로 (관리자 경로 포함 — SessionUser 세팅용으로 먼저 실행)
         registry.addInterceptor(authInterceptor)
-                .addPathPatterns("/api/auth/me", "/api/auth/points", "/api/auth/logout", "/api/auth/password",
+                .addPathPatterns("/api/auth/me", "/api/auth/points", "/api/auth/point-history",
+                        "/api/auth/logout", "/api/auth/password",
                         "/api/auth/verify-password", "/api/auth/profile", "/api/auth/profile-image",
                         "/api/board/**", "/api/admin/**", "/api/account/**");
         // 인가: 관리자 전용 경로 (authInterceptor 다음에 실행되어 role 검사)

src/main/java/com/sb/web/point/PointHistoryResponse.java

@@ -0,0 +1,16 @@
+package com.sb.web.point;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 포인트 적립/차감 내역 항목.
+ */
+@Data
+public class PointHistoryResponse {
+
+    private Integer amount;       // 증감 포인트(+/-)
+    private String reason;        // BOARD_WRITE 등
+    private LocalDateTime createdAt;
+}

src/main/java/com/sb/web/point/PointService.java

@@ -38,4 +38,9 @@ public class PointService {
         Long p = pointMapper.getPoints(memberId);
         return p == null ? 0L : p;
     }
+
+    /** 최근 포인트 적립/차감 내역 (최신순) */
+    public java.util.List<PointHistoryResponse> getHistory(Long memberId) {
+        return pointMapper.findHistory(memberId, 100);
+    }
 }

src/main/java/com/sb/web/point/mapper/PointMapper.java

@@ -1,8 +1,11 @@
 package com.sb.web.point.mapper;
 
+import com.sb.web.point.PointHistoryResponse;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
+import java.util.List;
+
 /**
  * 포인트(member.points) 및 적립 이력(point_history) 매퍼.
  */
@@ -17,4 +20,7 @@ public interface PointMapper {
     int addPoints(@Param("memberId") Long memberId, @Param("amount") int amount);
 
     Long getPoints(@Param("memberId") Long memberId);
+
+    /** 최근 적립/차감 내역 (최신순, 최대 limit건) */
+    List<PointHistoryResponse> findHistory(@Param("memberId") Long memberId, @Param("limit") int limit);
 }

src/main/resources/mapper/PointMapper.xml

@@ -21,4 +21,12 @@
         SELECT points FROM member WHERE id = #{memberId}
     </select>
 
+    <select id="findHistory" resultType="com.sb.web.point.PointHistoryResponse">
+        SELECT amount, reason, created_at
+        FROM point_history
+        WHERE member_id = #{memberId}
+        ORDER BY id DESC
+        LIMIT #{limit}
+    </select>
+
 </mapper>