Update changelog.md for version 0.0.423

Author: github-actions[bot]

changelog.md

@@ -1,3 +1,12 @@
+## 0.0.423 - 2026-03-06
+
+- Users are prompted for shell commands with potentially dangerous expansion or substitution use cases, additional guardrails for malicious exploits
+- Block /share gist for EMU and GHE Cloud users with clear error messaging
+- Elicitation enum and boolean fields now require Enter to confirm a selection, with a ✓ indicator for confirmed values vs ❯ for the browsing cursor
+- MCP servers can now request users to visit a URL for out-of-band interactions such as OAuth flows or API key entry
+- Improve explore agent precision and large repository support with better context sharing
+- Diff mode displays cleanly on Windows with CRLF line endings
+
 ## 0.0.422 - 2026-03-05
 
 - Display request ID in authentication and authorization error messages to aid troubleshooting