fix: resolve CI failures — RetentionService bean, frontend types, artifact upload

- Remove @ConditionalOnProperty from RetentionService class; guard only @Scheduled method
- Fix QuotaStatus property references in frontend tests
- Downgrade upload-artifact to v3 for Gitea compatibility

cannamanage-service/src/main/java/de/cannamanage/service/RetentionService.java

@@ -9,7 +9,7 @@ import de.cannamanage.service.repository.DistributionRepository;
 import de.cannamanage.service.repository.MemberRepository;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -29,9 +29,11 @@ import java.util.*;
 @Slf4j
 @Service
 @RequiredArgsConstructor
-@ConditionalOnProperty(name = "cannamanage.schedulers.enabled", havingValue = "true", matchIfMissing = false)
 public class RetentionService {
 
+    @Value("${cannamanage.schedulers.enabled:false}")
+    private boolean schedulersEnabled;
+
     private final ClubRepository clubRepository;
     private final MemberRepository memberRepository;
     private final DistributionRepository distributionRepository;
@@ -39,11 +41,15 @@ public class RetentionService {
 
     /**
      * Daily scheduled retention processing at 2:00 AM.
+     * Only runs when schedulers are enabled.
      * Processes each club independently.
      */
     @Scheduled(cron = "0 0 2 * * *")
     @Transactional
     public void processRetention() {
+        if (!schedulersEnabled) {
+            return;
+        }
         log.info("Starting scheduled retention processing");
         List<Club> clubs = clubRepository.findAll();
         int totalAnonymized = 0;