fix: 修复普通裁判登录时projects返回空数组的问题

实现getProjectsByVenue和getAllProjectsByCompetition方法，
根据场地ID或比赛ID查询项目列表返回给前端。

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

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

@@ -147,14 +147,34 @@ public class MiniAuthServiceImpl implements IMiniAuthService {
     }
 
     private List<MiniLoginVO.ProjectInfo> getAllProjectsByCompetition(Long competitionId) {
-        return new ArrayList<>();
+        LambdaQueryWrapper<MartialProject> query = new LambdaQueryWrapper<>();
+        query.eq(MartialProject::getCompetitionId, competitionId);
+        query.eq(MartialProject::getIsDeleted, 0);
+        query.orderByAsc(MartialProject::getSortOrder);
+        return convertToProjectInfoList(projectService.list(query));
     }
 
     private List<MiniLoginVO.ProjectInfo> parseProjects(String projectsJson) {
+        // TODO: parse JSON if needed in future
         return new ArrayList<>();
     }
 
     private List<MiniLoginVO.ProjectInfo> getProjectsByVenue(Long venueId) {
-        return new ArrayList<>();
+        LambdaQueryWrapper<MartialProject> query = new LambdaQueryWrapper<>();
+        query.eq(MartialProject::getVenueId, venueId);
+        query.eq(MartialProject::getIsDeleted, 0);
+        query.orderByAsc(MartialProject::getSortOrder);
+        return convertToProjectInfoList(projectService.list(query));
+    }
+
+    private List<MiniLoginVO.ProjectInfo> convertToProjectInfoList(List<MartialProject> projects) {
+        List<MiniLoginVO.ProjectInfo> result = new ArrayList<>();
+        for (MartialProject p : projects) {
+            MiniLoginVO.ProjectInfo info = new MiniLoginVO.ProjectInfo();
+            info.setProjectId(p.getId());
+            info.setProjectName(p.getProjectName());
+            result.add(info);
+        }
+        return result;
     }
 }