docs: update claude agent sdk changelog

Author: sipercai

instrumentation-loongsuite/loongsuite-instrumentation-claude-agent-sdk/CHANGELOG.md

@@ -9,7 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
-- Capture Claude Agent SDK session IDs on agent, LLM, and tool spans.
+- Capture Claude Agent SDK session IDs on agent, LLM, and tool spans, and
+  preserve active caller context so SDK traces attach to existing caller spans
+  instead of being forced to independent roots.
 
 ## Version 0.6.0 (2026-06-03)