phase optional lifecycle explain (#4325)

l-trotta · github-actions[bot] · commit d1497251caf5 · 2025-04-29T09:52:38.000Z
(cherry picked from commit fee2276)
diff --git a/specification/ilm/explain_lifecycle/types.ts b/specification/ilm/explain_lifecycle/types.ts
@@ -39,7 +39,7 @@ export class LifecycleExplainManaged {
   lifecycle_date?: DateTime
   lifecycle_date_millis?: EpochTime<UnitMillis>
   managed: true
-  phase: Name
+  phase?: Name
   phase_time?: DateTime
   phase_time_millis?: EpochTime<UnitMillis>
   policy?: Name
