diff --git a/runs/frontier-fidelity-envelope-v1/qwen30-fixed-pressure-surface-card.md b/runs/frontier-fidelity-envelope-v1/qwen30-fixed-pressure-surface-card.md
new file mode 100644
index 0000000..365943c
--- /dev/null
+++ b/runs/frontier-fidelity-envelope-v1/qwen30-fixed-pressure-surface-card.md
@@ -0,0 +1,49 @@
+# EXP-SIMFID-Q30-FIXED-PRESSURE-SURFACE: high-pressure Fixed-PD / Fixed-PO
+
+> Status: approved and launching (2026-07-19).
+
+## Question
+
+When uniform Fixed-PD is moved from the near-singleton workload to
+`4096 -> 256` at `1.125` request/s/GPU, does Frontier still choose a different
+latency-optimal configuration from real community vLLM 0.20? Does removing
+decode (`4096 -> 1`) change that selection boundary?
+
+## Setup and decision rule
+
+- Qwen3-30B-A3B BF16 on dash0 H20; community vLLM 0.20.0.
+- Fixed-PD `4096 -> 256` and Fixed-PO `4096 -> 1`; 257 uniform,
+  prefix-disjoint requests; prefix caching off.
+- Rate is frozen at 1.125 request/s/GPU, so global rates are 1.125, 2.25, and
+  4.5 request/s for TP1, TP2, and TP4.
+- Surface: `TP in {1,2,4}` x `MNS in {8,16,32,64}`, MBT=8192. Real
+  measurements use three fresh-server trials with rotated order.
+- Frontier is `deadc4a`, `piecewise`, the frozen CUDA-event profile plus the
+  graph-compatible KERNEL_ONLY profile and measured collectives used by the
+  prior Trace-PD comparison. No latency calibration is fitted to this case.
+- Compare exact winners, selected-config real regret, and pairwise order for
+  mean/p90 TTFT, E2E, and TPOT where decode exists. SLO is not scored.
+
+The pressure-probe measurements selected the workload but are excluded from
+the real evaluation pool. A failed or incomplete Frontier cell is a coverage
+failure, not a high-latency observation.
+
+## Expected output and decision
+
+The final table has one row per case/objective with Frontier winner, real
+winner, regret, and pairwise agreement. If the old Fixed-PD reversal persists,
+the failure is not an artifact of singleton load. If it disappears, simulator
+fidelity has a load-regime boundary that must be localized. Fixed-PO isolates
+whether decode-state composition is necessary for either outcome.
+
+The previously reviewed matrix schematic remains the figure prototype:
+`../simulator-tuning-latency-matrix-v0/latency-selection-matrix-schematic.svg`.
+
+## Provenance
+
+Remote output root:
+`dash0:/home/admin/cpfs/wjh/aituner/qwen30-fixed-pressure-surface-20260719-r1`.
+The campaign records source/profile/model hashes, runtime versions, GPU
+inventory, per-cell commands, raw request records, and an artifact checksum
+manifest.
+
diff --git a/runs/frontier-fidelity-envelope-v1/run_qwen30_fixed_pressure_campaign.sh b/runs/frontier-fidelity-envelope-v1/run_qwen30_fixed_pressure_campaign.sh
new file mode 100644
index 0000000..2f0ade6
--- /dev/null
+++ b/runs/frontier-fidelity-envelope-v1/run_qwen30_fixed_pressure_campaign.sh
@@ -0,0 +1,138 @@
+#!/usr/bin/env bash
+
+# Frozen Qwen30 Fixed-PD/Fixed-PO Frontier-versus-real campaign. The pressure
+# calibration artifacts are deliberately not reused as evaluation results.
+
+set -euo pipefail
+
+CAMPAIGN_ROOT="${CAMPAIGN_ROOT:?CAMPAIGN_ROOT is required}"
+RUNNER_DIR="${RUNNER_DIR:-$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)}"
+VENV_ROOT="${VENV_ROOT:-/tmp/wjh/venvs/vllm-0.20.0-cu129-profiler-v1}"
+MODEL_ROOT="${MODEL_ROOT:-/home/admin/cpfs/wjh/models/Qwen/Qwen3-30B-A3B}"
+FRONTIER_SOURCE="${FRONTIER_SOURCE:-/home/admin/cpfs/wjh/aituner/frontier-t1-dash0-deadc4a}"
+REPLAYSERVE_ROOT="${REPLAYSERVE_ROOT:-/home/admin/cpfs/wjh/replayserve}"
+PYTHON_DEPS="${PYTHON_DEPS:-${VENV_ROOT}/lib/python3.12/site-packages}"
+PROFILE_ROOT="${PROFILE_ROOT:-/home/admin/cpfs/wjh/aituner/aituner-graph-piecewise-bdc357d/runs/frontier-fidelity-envelope-v1/profiles/profile-v4-trace-final}"
+KERNEL_PROFILE_ROOT="${KERNEL_PROFILE_ROOT:-/home/admin/cpfs/wjh/aituner/graph-piecewise-qwen30-20260717/full/frozen-kernel-only}"
+ALLREDUCE_CSV="${ALLREDUCE_CSV:-/home/admin/cpfs/wjh/aituner/aituner-graph-piecewise-bdc357d/runs/frontier-fidelity-envelope-v1/profiles/measured-allreduce.csv}"
+FLASHINFER_WORKSPACE_BASE="${FLASHINFER_WORKSPACE_BASE:?FLASHINFER_WORKSPACE_BASE is required}"
+REQUESTS="${REQUESTS:-257}"
+PER_GPU_RATE="${PER_GPU_RATE:-1.125}"
+
+[[ "${REQUESTS}" == "257" ]] || { echo 'ERROR: frozen campaign requires REQUESTS=257' >&2; exit 1; }
+[[ "${PER_GPU_RATE}" == "1.125" ]] || { echo 'ERROR: frozen campaign requires PER_GPU_RATE=1.125' >&2; exit 1; }
+
+MATERIALIZER="${RUNNER_DIR}/prepare_qwen30_latency_case.py"
+REAL_RUNNER="${RUNNER_DIR}/run_qwen30_latency_case_real_surface.sh"
+SIM_RUNNER="${RUNNER_DIR}/run_frontier_qwen30_exact_trace_surface.py"
+REAL_AUDITOR="${RUNNER_DIR}/audit_qwen30_latency_case.py"
+COMPARATOR="${RUNNER_DIR}/analyze_qwen30_latency_case.py"
+
+mkdir -p "${CAMPAIGN_ROOT}/provenance" "${CAMPAIGN_ROOT}/traces" \
+  "${CAMPAIGN_ROOT}/real" "${CAMPAIGN_ROOT}/sim" "${CAMPAIGN_ROOT}/analysis"
+exec > >(tee -a "${CAMPAIGN_ROOT}/controller.log") 2>&1
+
+printf '%s\n' "Q30_FIXED_PRESSURE_CAMPAIGN_LAUNCH_ECHO host=dash0 model=Qwen3-30B-A3B engine=vLLM-0.20.0+cu129 dtype=BF16 cases={fixed-pd:4096_to_256,fixed-po:4096_to_1} prefix=false requests=${REQUESTS} per_gpu_rate=${PER_GPU_RATE} global_rates={TP1:1.125,TP2:2.25,TP4:4.5} surface_per_case=TP{1,2,4}xMNS{8,16,32,64} real_trials=3 fresh_server=true simulator=Frontier-deadc4a_piecewise_graph-kernel-only metrics=mean,p90(TTFT,TPOT-if-PD,E2E) SLO=not_scored flashinfer_workspace=${FLASHINFER_WORKSPACE_BASE} expected_wall=2-5h expected_cost=12-24_H20-GPUh output=${CAMPAIGN_ROOT}"
+date -u +START_UTC=%Y-%m-%dT%H:%M:%SZ
+
+sha256sum "${BASH_SOURCE[0]}" "${MATERIALIZER}" "${REAL_RUNNER}" \
+  "${SIM_RUNNER}" "${REAL_AUDITOR}" "${COMPARATOR}" \
+  "${MODEL_ROOT}/config.json" "${PROFILE_ROOT}/manifest.json" \
+  "${KERNEL_PROFILE_ROOT}/manifest.json" "${ALLREDUCE_CSV}" \
+  > "${CAMPAIGN_ROOT}/provenance/input.sha256"
+git -C "${FRONTIER_SOURCE}" rev-parse HEAD > "${CAMPAIGN_ROOT}/provenance/frontier.commit"
+git -C "${RUNNER_DIR}" rev-parse HEAD > "${CAMPAIGN_ROOT}/provenance/aituner.commit"
+"${VENV_ROOT}/bin/vllm" --version > "${CAMPAIGN_ROOT}/provenance/vllm.version"
+nvidia-smi --query-gpu=index,name,uuid,driver_version,memory.total --format=csv,noheader \
+  > "${CAMPAIGN_ROOT}/provenance/gpus.before.csv"
+
+prepare_case() {
+  local case_name="$1" output_tokens="$2"
+  local tp
+  for tp in 1 2 4; do
+    "${VENV_ROOT}/bin/python" "${MATERIALIZER}" fixed \
+      --model "${MODEL_ROOT}" --input-tokens 4096 --output-tokens "${output_tokens}" \
+      --requests "${REQUESTS}" --per-gpu-rate "${PER_GPU_RATE}" --tp "${tp}" \
+      --output-root "${CAMPAIGN_ROOT}/traces/${case_name}/tp${tp}"
+  done
+}
+
+run_real_case() {
+  local case_name="$1" base_port="$2"
+  CASE_NAME="${case_name}" PREFIX_CACHING=false \
+    TRACE_ROOT="${CAMPAIGN_ROOT}/traces/${case_name}" \
+    OUTPUT_ROOT="${CAMPAIGN_ROOT}/real/${case_name}" \
+    RUNNER_DIR="${RUNNER_DIR}" VENV_ROOT="${VENV_ROOT}" MODEL_ROOT="${MODEL_ROOT}" \
+    FLASHINFER_SHARED_WORKSPACE="${FLASHINFER_WORKSPACE_BASE}" \
+    BASE_PORT="${base_port}" RESUME_VALID_CELLS=true \
+    bash "${REAL_RUNNER}"
+}
+
+run_sim_tp() {
+  local case_name="$1" tp="$2"
+  local sim_root="${CAMPAIGN_ROOT}/sim/${case_name}"
+  local -a configs=()
+  local mns
+  for mns in 8 16 32 64; do
+    configs+=(--config "tp${tp}_mns${mns}")
+  done
+  /usr/bin/python3 "${SIM_RUNNER}" \
+    --frontier-source "${FRONTIER_SOURCE}" --replayserve-root "${REPLAYSERVE_ROOT}" \
+    --profile-root "${PROFILE_ROOT}" --kernel-profile-root "${KERNEL_PROFILE_ROOT}" \
+    --python-deps "${PYTHON_DEPS}" --output-root "${sim_root}" \
+    --trace "tp${tp}=${CAMPAIGN_ROOT}/traces/${case_name}/tp${tp}/public/frontier.csv" \
+    "${configs[@]}" --rate-contract uniform-spacing --no-prefix-caching \
+    --cc-backend vidur --allreduce-csv "${ALLREDUCE_CSV}" \
+    --timeout-seconds 3600 --predictor-training-job-threads 4 \
+    --decode-cuda-graph-mode piecewise --align-real-graph-runtime \
+    --fresh-predictor-cache --resume --continue-on-failure
+}
+
+run_sim_case() {
+  local case_name="$1" failed=0 pid
+  local -a pids=()
+  mkdir -p "${CAMPAIGN_ROOT}/sim/${case_name}"
+  for tp in 1 2 4; do
+    run_sim_tp "${case_name}" "${tp}" \
+      > "${CAMPAIGN_ROOT}/sim/${case_name}/launcher-tp${tp}.log" 2>&1 &
+    pids+=("$!")
+  done
+  for pid in "${pids[@]}"; do
+    wait "${pid}" || failed=1
+  done
+  [[ "${failed}" -eq 0 ]] || return 1
+}
+
+analyze_case() {
+  local case_name="$1"
+  local analysis_root="${CAMPAIGN_ROOT}/analysis/${case_name}"
+  mkdir -p "${analysis_root}"
+  "${VENV_ROOT}/bin/python" "${REAL_AUDITOR}" \
+    --case-root "${CAMPAIGN_ROOT}/real/${case_name}" \
+    --traces-root "${CAMPAIGN_ROOT}/traces/${case_name}" \
+    --json-output "${analysis_root}/real-audit.json" \
+    --markdown-output "${analysis_root}/real-audit.md"
+  "${VENV_ROOT}/bin/python" "${COMPARATOR}" \
+    --sim-root "${CAMPAIGN_ROOT}/sim/${case_name}" \
+    --real-audit "${analysis_root}/real-audit.json" \
+    --json-output "${analysis_root}/comparison.json" \
+    --markdown-output "${analysis_root}/comparison.md"
+}
+
+prepare_case fixed-pd 256
+prepare_case fixed-po 1
+
+run_real_case fixed-pd 9000
+run_real_case fixed-po 9100
+
+run_sim_case fixed-pd
+analyze_case fixed-pd
+run_sim_case fixed-po
+analyze_case fixed-po
+
+nvidia-smi --query-gpu=index,name,uuid,driver_version,memory.total --format=csv,noheader \
+  > "${CAMPAIGN_ROOT}/provenance/gpus.after.csv"
+find "${CAMPAIGN_ROOT}" -type f ! -path '*/provenance/artifacts.sha256' -print0 \
+  | sort -z | xargs -0 sha256sum > "${CAMPAIGN_ROOT}/provenance/artifacts.sha256"
+date -u +END_UTC=%Y-%m-%dT%H:%M:%SZ
+printf '%s\n' 'Q30_FIXED_PRESSURE_CAMPAIGN_COMPLETE'
diff --git a/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh b/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh
index 7de86fc..e6a68ff 100644
--- a/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh
+++ b/runs/frontier-fidelity-envelope-v1/run_qwen30_latency_case_real_surface.sh
@@ -21,6 +21,14 @@ SERVER_READY_ATTEMPTS="${SERVER_READY_ATTEMPTS:-300}"
 IDLE_GPU_MEMORY_TOLERANCE_MIB="${IDLE_GPU_MEMORY_TOLERANCE_MIB:-16}"
 RESUME_VALID_CELLS="${RESUME_VALID_CELLS:-false}"
 PORT="${BASE_PORT:-8300}"
+REQUEST_COUNT="$(wc -l < "${TRACE_ROOT}/tp1/private/real_requests.jsonl")"
+
+for tp in 2 4; do
+  [[ "$(wc -l < "${TRACE_ROOT}/tp${tp}/private/real_requests.jsonl")" == "${REQUEST_COUNT}" ]] || {
+    echo "ERROR: TP-specific request counts differ" >&2
+    exit 1
+  }
+done
 
 case "${PREFIX_CACHING}" in
   true|false) ;;
@@ -186,7 +194,7 @@ run_tp_wave() {
 }
 
 {
-  printf '%s\n' "REAL_LAUNCH_ECHO host=dash0 model=Qwen3-30B-A3B engine=vLLM-0.20.0+cu129 dtype=BF16 case=${CASE_NAME} traces=${TRACE_ROOT}/tp{1,2,4}/private/real_requests.jsonl prefix=${PREFIX_CACHING} requests=129 transform=t_prime=t/TP surface=TP{1,2,4}xMNS{8,16,32,64} trials=3 fresh_server=true resume_valid_cells=${RESUME_VALID_CELLS} idle_gpu_memory_tolerance_mib=${IDLE_GPU_MEMORY_TOLERANCE_MIB} metrics=mean,p90(TTFT,TPOT-if-OSL-gt-1,E2E) expected_cost=13_H20-GPUh_nominal__41_H20-GPUh_max output=${OUT}/real"
+  printf '%s\n' "REAL_LAUNCH_ECHO host=dash0 model=Qwen3-30B-A3B engine=vLLM-0.20.0+cu129 dtype=BF16 case=${CASE_NAME} traces=${TRACE_ROOT}/tp{1,2,4}/private/real_requests.jsonl prefix=${PREFIX_CACHING} requests=${REQUEST_COUNT} transform=t_prime=t/TP surface=TP{1,2,4}xMNS{8,16,32,64} trials=3 fresh_server=true resume_valid_cells=${RESUME_VALID_CELLS} idle_gpu_memory_tolerance_mib=${IDLE_GPU_MEMORY_TOLERANCE_MIB} metrics=mean,p90(TTFT,TPOT-if-OSL-gt-1,E2E) expected_cost=13_H20-GPUh_nominal__41_H20-GPUh_max output=${OUT}/real"
   date -u +START_UTC=%Y-%m-%dT%H:%M:%SZ
   mkdir -p "${OUT}/provenance" "${FLASHINFER_SHARED_WORKSPACE}"
   sha256sum "${BASH_SOURCE[0]}" "${RUNNER}" "${CLIENT}" "${PREFILL_CLIENT}" \