auto-attach convo listener

codex-rs/app-server/tests/common/mcp_process.rs

@@ -60,7 +60,16 @@ pub struct McpProcess {
 
 impl McpProcess {
     pub async fn new(codex_home: &Path) -> anyhow::Result<Self> {
-        Self::new_with_env(codex_home, &[]).await
+        // Ensure tests run with the default Codex originator (codex_cli_rs)
+        // regardless of any environment overrides that may be present.
+        Self::new_with_env(
+            codex_home,
+            &[(
+                codex_core::default_client::CODEX_INTERNAL_ORIGINATOR_OVERRIDE_ENV_VAR,
+                None,
+            )],
+        )
+        .await
     }
 
     /// Creates a new MCP process, allowing tests to override or remove