diff --git a/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_smoke.sh b/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_smoke.sh
new file mode 100644
index 0000000..29a98f7
--- /dev/null
+++ b/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_smoke.sh
@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+
+# Compatibility gate only: this is not a simulator-fidelity measurement.
+
+set -euo pipefail
+
+OUT="${OUTPUT_ROOT:?OUTPUT_ROOT is required}"
+TP="${TP:?TP is required}"
+MNS="${MNS:?MNS is required}"
+MBT="${MBT:?MBT is required}"
+SERVER_PORT="${SERVER_PORT:?SERVER_PORT is required}"
+ENABLE_EXPERT_PARALLEL="${ENABLE_EXPERT_PARALLEL:?ENABLE_EXPERT_PARALLEL is required}"
+VENV_ROOT="${VENV_ROOT:-/tmp/wjh/venvs/vllm-0.20.0-cu129-profiler-v1}"
+MODEL_ROOT="${MODEL_ROOT:-/home/admin/cpfs/wjh/models/Qwen/Qwen3-235B-A22B-FP8}"
+CLIENT="${CLIENT:?CLIENT is required}"
+SERVED_MODEL="qwen3-235b-v020-smoke"
+SERVER_PID=""
+
+mkdir -p "${OUT}/logs" "${OUT}/provenance" "${OUT}/results"
+exec > >(tee -a "${OUT}/logs/controller.log") 2>&1
+
+cleanup() {
+  if [[ -n "${SERVER_PID}" ]] && kill -0 "${SERVER_PID}" 2>/dev/null; then
+    kill -TERM -- "-${SERVER_PID}" 2>/dev/null || true
+    for _ in $(seq 1 30); do
+      kill -0 "${SERVER_PID}" 2>/dev/null || break
+      sleep 1
+    done
+    kill -KILL -- "-${SERVER_PID}" 2>/dev/null || true
+  fi
+  SERVER_PID=""
+}
+trap cleanup EXIT INT TERM
+
+IFS=',' read -r -a GPU_IDS <<< "${CUDA_VISIBLE_DEVICES:?GPU allocation is required}"
+if [[ "${#GPU_IDS[@]}" -ne "${TP}" ]]; then
+  echo "ERROR: expected TP=${TP} GPUs, got ${CUDA_VISIBLE_DEVICES}" >&2
+  exit 1
+fi
+case "${ENABLE_EXPERT_PARALLEL}" in
+  true) EP_FLAG=(--enable-expert-parallel) ;;
+  false) EP_FLAG=() ;;
+  *) echo "ERROR: ENABLE_EXPERT_PARALLEL must be true or false" >&2; exit 1 ;;
+esac
+
+echo "QWEN235_V020_SMOKE_LAUNCH_ECHO host=$(hostname) gpus=${CUDA_VISIBLE_DEVICES} model=${MODEL_ROOT} runtime=vLLM-0.20.0+cu129 checkpoint=FP8_compute_kv=auto config=TP${TP}_EP${ENABLE_EXPERT_PARALLEL}_MNS${MNS}_MBT${MBT} prefix=false requests=1 shape=2048x1 role=compatibility_gate_not_latency_measurement output=${OUT} expected_wall=8-20m expected_gpu_cap=$((${TP} * 1))_H20h"
+date -u +START_UTC=%Y-%m-%dT%H:%M:%SZ
+sha256sum "${BASH_SOURCE[0]}" "${CLIENT}" "${MODEL_ROOT}/config.json" > "${OUT}/provenance/input.sha256"
+"${VENV_ROOT}/bin/vllm" --version > "${OUT}/provenance/vllm.version"
+"${VENV_ROOT}/bin/python" - <<'PY' > "${OUT}/provenance/runtime.json"
+import importlib.metadata as metadata
+import json
+import vllm
+print(json.dumps({"vllm": metadata.version("vllm"), "vllm_file": vllm.__file__}, sort_keys=True))
+PY
+
+export TOKENIZERS_PARALLELISM=false
+export VLLM_USE_V1=1
+export TORCH_CUDA_ARCH_LIST=9.0
+export HF_HUB_OFFLINE=1
+export TRANSFORMERS_OFFLINE=1
+export HOME=/tmp/wjh
+export XDG_CACHE_HOME=/tmp/wjh/.cache
+export VLLM_CACHE_ROOT=/tmp/wjh/.cache/vllm
+setsid "${VENV_ROOT}/bin/vllm" serve "${MODEL_ROOT}" \
+  --host 127.0.0.1 --port "${SERVER_PORT}" --served-model-name "${SERVED_MODEL}" \
+  --tensor-parallel-size "${TP}" --disable-custom-all-reduce --quantization fp8 \
+  --gpu-memory-utilization 0.80 --kv-cache-dtype auto --max-model-len 40960 \
+  --max-num-batched-tokens "${MBT}" --max-num-seqs "${MNS}" \
+  --no-enable-prefix-caching --enable-chunked-prefill --no-enable-log-requests \
+  "${EP_FLAG[@]}" > "${OUT}/logs/server.log" 2>&1 &
+SERVER_PID=$!
+READY=0
+for _ in $(seq 1 180); do
+  if curl -fsS --max-time 2 "http://127.0.0.1:${SERVER_PORT}/v1/models" > "${OUT}/results/models.json" 2>/dev/null; then
+    READY=1
+    break
+  fi
+  if ! kill -0 "${SERVER_PID}" 2>/dev/null; then
+    tail -200 "${OUT}/logs/server.log"
+    exit 1
+  fi
+  sleep 3
+done
+if [[ "${READY}" -ne 1 ]]; then
+  tail -200 "${OUT}/logs/server.log"
+  exit 1
+fi
+
+"${VENV_ROOT}/bin/python" "${CLIENT}" --port "${SERVER_PORT}" --served-model "${SERVED_MODEL}" \
+  --model-path "${MODEL_ROOT}" --rate 1 --requests 1 --input-tokens 2048 --output-tokens 1 \
+  --output "${OUT}/results/one_request.json"
+grep -E -i 'quant|fp8|gpu blocks|num_gpu_blocks|kv cache|expert.parallel|expert parallel' "${OUT}/logs/server.log" > "${OUT}/provenance/resolved-runtime.log" || true
+cleanup
+find "${OUT}" -type f ! -path '*/provenance/artifacts.sha256' -print0 | sort -z | xargs -0 sha256sum > "${OUT}/provenance/artifacts.sha256"
+date -u +END_UTC=%Y-%m-%dT%H:%M:%SZ
+echo 'QWEN235_V020_SMOKE_COMPLETE'