codex: redact dependency env updates in session logs

Co-authored-by: Codex <noreply@openai.com>

codex-rs/tui/src/session_log.rs

@@ -172,6 +172,20 @@ pub(crate) fn log_inbound_app_event(event: &AppEvent) {
             });
             LOGGER.write_json_line(value);
         }
+        AppEvent::SetDependencyEnv {
+            thread_id, values, ..
+        } => {
+            let mut keys = values.keys().collect::<Vec<_>>();
+            keys.sort();
+            let value = json!({
+                "ts": now_ts(),
+                "dir": "to_tui",
+                "kind": "set_dependency_env",
+                "thread_id": thread_id.to_string(),
+                "keys": keys,
+            });
+            LOGGER.write_json_line(value);
+        }
         // Noise or control flow – record variant only
         other => {
             let value = json!({