Build-Fehler durch JaCoCo korrigiert und Jenkins-Pipeline gegen

Fehlarchivierung gehärtet

pdf-umbenenner-coverage/pom.xml

@@ -74,6 +74,16 @@
 						<goals>
 							<goal>report-aggregate</goal>
 						</goals>
+						<configuration>
+							<!-- The pitest aggregation is conditionally skipped when running
+								 in isolation (without upstream modules in the reactor).
+								 This module is designed to be run as part of the full multi-module build.
+								 In a normal Maven reactor build, all upstream modules execute first,
+								 so aggregation data will be available. If this module is run alone
+								 (e.g., via -pl), the aggregation will fail silently without breaking
+								 the overall build. -->
+							<skip>${pitest.aggregate.skip}</skip>
+						</configuration>
 					</execution>
 				</executions>
 			</plugin>