SOLR-12416: When creating a time routed alias, the router.autoDeleteAge option wasn't considered.

solr/CHANGES.txt

@@ -376,6 +376,9 @@ Bug Fixes
   but 'bin/solr create' tells users to use the default action 'set-property', which fails
   because the property is not editable. (Steve Rowe)
 
+* SOLR-12416: When creating a time routed alias, the router.autoDeleteAge option wasn't considered.
+  (Joachim Sauer via David Smiley)
+
 Optimizations
 ----------------------
 

solr/core/src/java/org/apache/solr/cloud/api/collections/TimeRoutedAlias.java

@@ -80,8 +80,10 @@ public class TimeRoutedAlias {
   /**
    * Optional parameters for creating a routed alias excluding parameters for collection creation.
    */
+  //TODO lets find a way to remove this as it's harder to maintain than required list
   public static final List<String> OPTIONAL_ROUTER_PARAMS = Collections.unmodifiableList(Arrays.asList(
       ROUTER_MAX_FUTURE,
+      ROUTER_AUTO_DELETE_AGE,
       TZ)); // kinda special
 
   static Predicate<String> PARAM_IS_PROP =