diff --git a/.changeset/isolate-lifecycle-terminal-logs.md b/.changeset/isolate-lifecycle-terminal-logs.md
new file mode 100644
index 000000000..29befe0ae
--- /dev/null
+++ b/.changeset/isolate-lifecycle-terminal-logs.md
@@ -0,0 +1,5 @@
+---
+"@aoagents/ao-core": patch
+---
+
+Keep lifecycle observability and batch diagnostic logs out of user-visible terminal stderr by routing them into AO's observability audit files instead, while preserving structured traces for debugging and regression coverage.
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index 7e934efb5..cae1b3cab 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,11 +1,5 @@
 # @composio/ao-core
 
-## Unreleased
-
-### Fixed
-
-- Keep lifecycle observability traces out of terminal-visible stderr by writing them to observability audit files instead.
-
 ## 0.2.0
 
 ### Minor Changes