diff --git a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/mapper/UiwsScheduleMapper.java b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/mapper/UiwsScheduleMapper.java
new file mode 100644
index 0000000..3d756b0
--- /dev/null
+++ b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/mapper/UiwsScheduleMapper.java
@@ -0,0 +1,93 @@
+package com.zioinfo.mall.uiws.schedule.mapper;
+
+import com.zioinfo.mall.uiws.schedule.model.UiwsAttach;
+import com.zioinfo.mall.uiws.schedule.model.UiwsDiary;
+import com.zioinfo.mall.uiws.schedule.model.UiwsSchedule;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 일정·일지·첨부 MyBatis 매퍼. 원본 JPA ScheduleRepository/DiaryRepository/AttachRepository 변환 이식.
+ * 데이터 가시범위: scopeAll(true=ADMIN 전체) OR owner IN (ownerIds). ownerIds 는 항상 본인 포함(빈 IN 회피).
+ */
+@Mapper
+public interface UiwsScheduleMapper {
+
+    // ── schedule
+    int insertSchedule(UiwsSchedule s);
+
+    int updateSchedule(UiwsSchedule s);
+
+    UiwsSchedule findScheduleById(@Param("scheduleId") Long scheduleId);
+
+    boolean existsScheduleById(@Param("scheduleId") Long scheduleId);
+
+    int deleteScheduleById(@Param("scheduleId") Long scheduleId);
+
+    /** 달력: 기간 겹침([from,to) 배타 상한) + type + 개인소유/부서필터. */
+    List<UiwsSchedule> findInRange(@Param("from") LocalDateTime from,
+                                   @Param("to") LocalDateTime to,
+                                   @Param("scheType") String scheType,
+                                   @Param("ownerId") String ownerId,
+                                   @Param("deptId") String deptId);
+
+    List<UiwsSchedule> searchAll(@Param("from") LocalDateTime from,
+                                 @Param("to") LocalDateTime to,
+                                 @Param("scheType") String scheType,
+                                 @Param("scopeAll") boolean scopeAll,
+                                 @Param("ownerIds") List<String> ownerIds,
+                                 @Param("limit") int limit,
+                                 @Param("offset") int offset);
+
+    long countAll(@Param("from") LocalDateTime from,
+                  @Param("to") LocalDateTime to,
+                  @Param("scheType") String scheType,
+                  @Param("scopeAll") boolean scopeAll,
+                  @Param("ownerIds") List<String> ownerIds);
+
+    List<UiwsSchedule> searchPopup(@Param("keyword") String keyword,
+                                   @Param("scopeAll") boolean scopeAll,
+                                   @Param("ownerIds") List<String> ownerIds);
+
+    // ── diary
+    int insertDiary(UiwsDiary d);
+
+    int updateDiary(UiwsDiary d);
+
+    UiwsDiary findDiaryById(@Param("diaryId") Long diaryId);
+
+    boolean existsDiaryById(@Param("diaryId") Long diaryId);
+
+    int deleteDiaryById(@Param("diaryId") Long diaryId);
+
+    List<UiwsDiary> searchDiary(@Param("from") LocalDate from,
+                                @Param("to") LocalDate to,
+                                @Param("limit") int limit,
+                                @Param("offset") int offset);
+
+    long countDiary(@Param("from") LocalDate from, @Param("to") LocalDate to);
+
+    // ── attach
+    int insertAttach(UiwsAttach a);
+
+    UiwsAttach findAttachById(@Param("attachId") Long attachId);
+
+    int updateAttachRef(@Param("attachId") Long attachId,
+                        @Param("refType") String refType,
+                        @Param("refId") Long refId,
+                        @Param("actor") String actor);
+
+    List<UiwsAttach> findAttachByRef(@Param("refType") String refType, @Param("refId") Long refId);
+
+    int deleteAttachById(@Param("attachId") Long attachId);
+
+    int deleteAttachByRef(@Param("refType") String refType, @Param("refId") Long refId);
+
+    // ── 사용자명 라벨(코어 user 재사용)
+    List<Map<String, String>> findUserNames(@Param("ids") List<String> ids);
+}
diff --git a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/AttachmentService.java b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/AttachmentService.java
index a897c2c..704b391 100644
--- a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/AttachmentService.java
+++ b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/AttachmentService.java
@@ -4,7 +4,7 @@ import com.zioinfo.mall.uiws.common.UiwsApiException;
 import com.zioinfo.mall.uiws.common.UiwsCurrentUser;
 import com.zioinfo.mall.uiws.common.UiwsErrorCode;
 import com.zioinfo.mall.uiws.schedule.dto.ScheduleDtos.AttachmentDto;
-import com.zioinfo.mall.uiws.schedule.mapper.ScheduleMapper;
+import com.zioinfo.mall.uiws.schedule.mapper.UiwsScheduleMapper;
 import com.zioinfo.mall.uiws.schedule.model.UiwsAttach;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -28,7 +28,7 @@ public class AttachmentService {
     public static final String REF_DIARY = "DIARY";
     private static final Set<String> VALID_REF_TYPES = Set.of(REF_SCHEDULE, REF_DIARY);
 
-    private final ScheduleMapper mapper;
+    private final UiwsScheduleMapper mapper;
     private final FileStorageService fileStorageService;
 
     @Transactional
diff --git a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/DiaryService.java b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/DiaryService.java
index aed766f..78f734d 100644
--- a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/DiaryService.java
+++ b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/DiaryService.java
@@ -4,7 +4,7 @@ import com.zioinfo.mall.uiws.common.UiwsApiException;
 import com.zioinfo.mall.uiws.common.UiwsCurrentUser;
 import com.zioinfo.mall.uiws.common.UiwsErrorCode;
 import com.zioinfo.mall.uiws.schedule.dto.ScheduleDtos.*;
-import com.zioinfo.mall.uiws.schedule.mapper.ScheduleMapper;
+import com.zioinfo.mall.uiws.schedule.mapper.UiwsScheduleMapper;
 import com.zioinfo.mall.uiws.schedule.model.UiwsDiary;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -24,7 +24,7 @@ import java.util.stream.Collectors;
 @RequiredArgsConstructor
 public class DiaryService {
 
-    private final ScheduleMapper mapper;
+    private final UiwsScheduleMapper mapper;
     private final AttachmentService attachmentService;
 
     @Transactional(readOnly = true)
diff --git a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/ScheduleService.java b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/ScheduleService.java
index 82b279f..86196f9 100644
--- a/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/ScheduleService.java
+++ b/backend/src/main/java/com/zioinfo/mall/uiws/schedule/service/ScheduleService.java
@@ -5,7 +5,7 @@ import com.zioinfo.mall.uiws.common.UiwsCurrentUser;
 import com.zioinfo.mall.uiws.common.UiwsDataScope;
 import com.zioinfo.mall.uiws.common.UiwsErrorCode;
 import com.zioinfo.mall.uiws.schedule.dto.ScheduleDtos.*;
-import com.zioinfo.mall.uiws.schedule.mapper.ScheduleMapper;
+import com.zioinfo.mall.uiws.schedule.mapper.UiwsScheduleMapper;
 import com.zioinfo.mall.uiws.schedule.model.UiwsSchedule;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -32,7 +32,7 @@ public class ScheduleService {
     private static final String TYPE_DEPT = "DEPT";
     private static final DateTimeFormatter DT = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss");
 
-    private final ScheduleMapper mapper;
+    private final UiwsScheduleMapper mapper;
     private final AttachmentService attachmentService;
 
     @Transactional(readOnly = true)
diff --git a/backend/src/main/resources/mapper/uiws/ScheduleMapper.xml b/backend/src/main/resources/mapper/uiws/ScheduleMapper.xml
index f01bdc9..bcb663a 100644
--- a/backend/src/main/resources/mapper/uiws/ScheduleMapper.xml
+++ b/backend/src/main/resources/mapper/uiws/ScheduleMapper.xml
@@ -3,7 +3,7 @@
     "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
 <!-- UIWS 이식: 일정/일지/첨부 (tb_uiws_schedule / tb_uiws_diary / tb_uiws_attach). -->
-<mapper namespace="com.zioinfo.mall.uiws.schedule.mapper.ScheduleMapper">
+<mapper namespace="com.zioinfo.mall.uiws.schedule.mapper.UiwsScheduleMapper">
 
     <!-- ===================== schedule ===================== -->
     <insert id="insertSchedule" useGeneratedKeys="true" keyProperty="scheduleId" keyColumn="schedule_id"