fix: optimize schedule query and add scheduleDate field

- Add scheduleDate field to ScheduleGroupDetailVO
- Fix schedule date format in mapper XML
- Optimize schedule service implementation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/main/java/org/springblade/modules/martial/mapper/MartialScheduleGroupMapper.xml

@@ -17,6 +17,7 @@
 			d.venue_name AS venueName,
 			d.time_slot AS timeSlot,
 			d.time_slot_index AS timeSlotIndex,
+			d.schedule_date AS scheduleDate,
 			p.id AS participantId,
 			p.organization AS organization,
 			p.check_in_status AS checkInStatus,

src/main/java/org/springblade/modules/martial/pojo/vo/ScheduleGroupDetailVO.java

@@ -29,6 +29,9 @@ public class ScheduleGroupDetailVO implements Serializable {
 	private String timeSlot;
 	private Integer timeSlotIndex; // 时间段索引(0=第1天上午,1=第1天下午,2=第2天上午,...)
 
+	// === 比赛日期 ===
+	private String scheduleDate;
+
 	// === 参赛者信息 ===
 	private Long participantId;
 	private String organization;

src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleArrangeServiceImpl.java

@@ -744,7 +744,7 @@ public class MartialScheduleArrangeServiceImpl implements IMartialScheduleArrang
 					participant.setScheduleDetailId(detailId);
 					participant.setScheduleGroupId(groupId);
 					participant.setParticipantId(athlete.getId());
-					participant.setOrganization(athlete.getOrganization());
+					participant.setOrganization(athlete.getTeamName() != null && !athlete.getTeamName().isEmpty() ? athlete.getTeamName() : athlete.getOrganization());
 					participant.setPlayerName(athlete.getPlayerName());
 					participant.setProjectName(groupData.getGroupName());
 					participant.setCategory(athlete.getCategory());

src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleServiceImpl.java

@@ -103,7 +103,7 @@ public class MartialScheduleServiceImpl extends ServiceImpl<MartialScheduleMappe
 			if (participants.isEmpty()) {
 				// 没有参赛者，创建一条基础记录
 				ScheduleExportExcel excel = new ScheduleExportExcel();
-				excel.setScheduleDate("");
+				excel.setScheduleDate(firstDetail.getScheduleDate() != null ? firstDetail.getScheduleDate() : "");
 				excel.setTimeSlot(firstDetail.getTimeSlot());
 				excel.setVenueName(firstDetail.getVenueName());
 				excel.setProjectName(firstDetail.getGroupName());
@@ -114,7 +114,7 @@ public class MartialScheduleServiceImpl extends ServiceImpl<MartialScheduleMappe
 				// 为每个参赛者创建导出记录
 				for (ScheduleGroupDetailVO detail : participants) {
 					ScheduleExportExcel excel = new ScheduleExportExcel();
-					excel.setScheduleDate("");
+					excel.setScheduleDate(detail.getScheduleDate() != null ? detail.getScheduleDate() : "");
 					excel.setTimeSlot(detail.getTimeSlot());
 					excel.setVenueName(detail.getVenueName());
 					excel.setProjectName(detail.getGroupName());