feat: 支持主裁判多次修改分数并显示修改前后对比

- Flyway V8: 添加previous_score字段
- 修改前保存当前分数到previousScore
- 前端显示修改前和最终得分

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/main/java/org/springblade/modules/martial/controller/MartialMiniController.java

@@ -521,6 +521,12 @@ public class MartialMiniController extends BladeController {
 		// 只有评分完成时才显示总分
 		if (scoringComplete) {
 			vo.setTotalScore(athlete.getTotalScore());
+			
+			// 使用数据库中保存的修改前分数
+			if (athlete.getPreviousScore() != null) {
+				vo.setOriginalScore(athlete.getPreviousScore());
+				vo.setIsModified(true);
+			}
 		} else {
 			vo.setTotalScore(null);
 		}

src/main/java/org/springblade/modules/martial/pojo/entity/MartialAthlete.java

@@ -176,6 +176,12 @@ public class MartialAthlete extends TenantEntity {
 	@Schema(description = "总分")
 	private BigDecimal totalScore;
 
+	/**
+	 * 修改前分数
+	 */
+	@Schema(description = "修改前分数")
+	private BigDecimal previousScore;
+
 	/**
 	 * 排名
 	 */

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

@@ -78,6 +78,14 @@ public class MiniAthleteListVO implements Serializable {
 	@JsonProperty("scoringComplete")
 	private Boolean scoringComplete = false;
 
+	@Schema(description = "修改前分数（普通裁判评分的平均分）")
+	@JsonProperty("originalScore")
+	private BigDecimal originalScore;
+
+	@Schema(description = "是否被主裁判修改过")
+	@JsonProperty("isModified")
+	private Boolean isModified = false;
+
 	@Schema(description = "比赛状态（0-待出场,1-进行中,2-已完成）")
 	@JsonProperty("competitionStatus")
 	private Integer competitionStatus;

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

@@ -370,7 +370,8 @@ public class MartialScoreServiceImpl extends ServiceImpl<MartialScoreMapper, Mar
 			}
 		}
 
-		// 6. 更新选手总分
+		// 6. 保存修改前分数，然后更新选手总分
+		athlete.setPreviousScore(athlete.getTotalScore());
 		athlete.setTotalScore(dto.getModifiedScore());
 		boolean athleteUpdated = athleteService.updateById(athlete);
 

src/main/resources/db/migration/V8__add_athlete_previous_score.sql

@@ -0,0 +1,2 @@
+-- 添加选手修改前分数字段，用于记录主裁判修改前的分数
+ALTER TABLE martial_athlete ADD COLUMN previous_score DECIMAL(10,3) DEFAULT NULL COMMENT '修改前分数' AFTER total_score;