Fix build

CLAUDE.md

@@ -68,6 +68,7 @@
 
 **Backend:**
 
+- `$MVN` = `JAVA_HOME=/home/ingo/.jdks/temurin-21.0.7 mvn -s /home/ingo/.m2/settings_peak.xml` — always use this
 - `$MVN compile`
 - `$MVN quarkus:dev`
 - `$MVN test -Dtest=ClassName`

peakup-backend/src/main/java/com/peakup/goal/model/GoalMetricEnum.java

@@ -10,7 +10,7 @@ public enum GoalMetricEnum implements PersistableEnum<GoalMetricEnum> {
     TIME(4, "hh:mm");
 
     private final int key;
-    @SuppressWarnings({"FieldCanBeLocal", "UnusedVariable"})
+    @SuppressWarnings({"FieldCanBeLocal", "UnusedVariable", "unused"})
     private final String unit;
 
     GoalMetricEnum(final int key, final String unit) {