code quality improvements

Author: az108

src/main/java/de/tum/cit/aet/analysis/service/AnalysisResultPersistenceService.java

@@ -670,7 +670,7 @@ private CQIResultDTO calculateGitOnlyCqi(TeamRepositoryDTO repo, TeamParticipati
                         gitComponents.pairProgrammingStatus() != null ? gitComponents.pairProgrammingStatus().name() : null);
                 teamParticipationRepository.save(teamParticipation);
 
-                return CQIResultDTO.gitOnly(cqiCalculatorService.buildWeightsDTO(), gitComponents, filterResult.summary());
+                return CQIResultDTO.gitOnly(cqiCalculatorService.buildWeightsDTO(null), gitComponents, filterResult.summary());
             }
         } catch (Exception e) {
             log.warn("Failed to calculate git-only metrics for team {}: {}", team.name(), e.getMessage());

src/main/java/de/tum/cit/aet/analysis/service/cqi/CQICalculatorService.java

@@ -240,15 +240,6 @@ public ComponentScoresDTO calculateGitOnlyComponents(
                 temporalResult.dailyDistribution());
     }
 
-    /**
-     * Build a {@link ComponentWeightsDTO} from the default configuration.
-     *
-     * @return DTO containing the default weights for all CQI components
-     */
-    public ComponentWeightsDTO buildWeightsDTO() {
-        return buildWeightsDTO(null);
-    }
-
     /**
      * Build a {@link ComponentWeightsDTO} from the exercise-specific or default configuration.
      *

src/main/webapp/src/components/CqiWeightsPanel.tsx

@@ -7,7 +7,7 @@ import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
 import { Badge } from '@/components/ui/badge';
 import { toast } from '@/hooks/use-toast';
-import { Settings, RotateCcw } from 'lucide-react';
+import { Settings, RotateCcw, ChevronRight } from 'lucide-react';
 import type { CqiWeightsDTO } from '@/app/generated';
 import { cqiWeightsApi } from '@/lib/apiClient';