Ablation driver: force direct LLM connection (codex proxy is dash0-local)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

scripts/run_naive_d1.sh

@@ -2,6 +2,9 @@
 # Complete the naive-OFF ablation arm to full budget on a fresh store (dash1).
 set -u
 export OPENAI_API_KEY=$(python3 -c 'import json,pathlib;print(json.load(open(pathlib.Path.home()/".codex/auth.json"))["OPENAI_API_KEY"])')
+# codex config.toml points at a local proxy (127.0.0.1:11235) that exists on dash0 but
+# not dash1; the LLM endpoint is reachable directly, so force a direct connection.
+export http_proxy= https_proxy= all_proxy= HTTP_PROXY= HTTPS_PROXY= ALL_PROXY= no_proxy='*'
 mkdir -p .aituner
 rm -rf .aituner/abl-naive-d1 .aituner/ABL_NAIVE_D1_DONE
 echo "=== naive OFF (dash1) start $(date -Is) ==="