feat(point): 월별 포인트 내역 조회 API — year/month 파라미터 추가

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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

@@ -102,10 +102,15 @@ public class AuthController {
         return java.util.Map.of("points", pointService.getPoints(current.getId()));
     }
 
-    /** 포인트 적립/차감 내역 (최신순) */
+    /** 포인트 적립/차감 내역 — year+month 지정 시 해당 월 전건, 미지정 시 최근 100건 */
     @GetMapping("/point-history")
     public java.util.List<com.sb.web.point.PointHistoryResponse> pointHistory(
+            @RequestParam(required = false) Integer year,
+            @RequestParam(required = false) Integer month,
             @RequestAttribute(AuthInterceptor.CURRENT_MEMBER) SessionUser current) {
+        if (year != null && month != null) {
+            return pointService.getHistory(current.getId(), year, month);
+        }
         return pointService.getHistory(current.getId());
     }
 

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

@@ -167,8 +167,13 @@ public class PointService {
         return p == null ? 0L : p;
     }
 
-    /** 최근 포인트 적립/차감 내역 (최신순) */
+    /** 최근 포인트 적립/차감 내역 (최신순, 최대 100건) */
     public java.util.List<PointHistoryResponse> getHistory(Long memberId) {
         return pointMapper.findHistory(memberId, 100);
     }
+
+    /** 특정 연월 포인트 적립/차감 내역 (최신순, 전건) */
+    public java.util.List<PointHistoryResponse> getHistory(Long memberId, int year, int month) {
+        return pointMapper.findHistoryByMonth(memberId, year, month);
+    }
 }

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

@@ -26,4 +26,7 @@ public interface PointMapper {
 
     /** 최근 적립/차감 내역 (최신순, 최대 limit건) */
     List<PointHistoryResponse> findHistory(@Param("memberId") Long memberId, @Param("limit") int limit);
+
+    /** 특정 연월 적립/차감 내역 (최신순, 전건) */
+    List<PointHistoryResponse> findHistoryByMonth(@Param("memberId") Long memberId, @Param("year") int year, @Param("month") int month);
 }

src/main/resources/mapper/PointMapper.xml

@@ -34,4 +34,13 @@
         LIMIT #{limit}
     </select>
 
+    <select id="findHistoryByMonth" resultType="com.sb.web.point.PointHistoryResponse">
+        SELECT amount, reason, created_at
+        FROM point_history
+        WHERE member_id = #{memberId}
+          AND YEAR(created_at) = #{year}
+          AND MONTH(created_at) = #{month}
+        ORDER BY id DESC
+    </select>
+
 </mapper>