fix: disable responses ID security for Codex CLI compatibility

Added disable_responses_id_security setting to allow Codex CLI to access
the /responses endpoint without 401 errors. This removes the encryption
requirement on response IDs while maintaining API key authentication.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

ai/litellm-config.yaml

@@ -27,3 +27,6 @@ model_list:
 litellm_settings:
   drop_params: true
   set_verbose: true
+
+general_settings:
+  disable_responses_id_security: true