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diff --git a/scripts/bench-p70.sh b/scripts/bench-p70.sh
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+#!/usr/bin/env bash
+# P70：启动帧率与渲染绘制概要基准（真实可复跑，不宣称未测性能）。
+#
+# 两档：
+#   * Kernel 吞吐：Headless `--performance-baseline`（6000 measure tick ×3，已有入口），落 kernel-baseline.txt。
+#   * Desktop 渲染帧：xvfb 真实帧循环 N 秒（默认 60），逐帧打印墙钟帧间隔与线程分配增量
+#     （LV_FRAME_LOG=1，仅新增日志、不改渲染逻辑），落 desktop-log.txt。
+# 之后由 scripts/analyze-p70.py 汇总裁决到 docs/evidence/p70-analysis.txt。
+#
+# 用法：bash scripts/bench-p70.sh [out-dir]   （out-dir 默认 /tmp/opencode/lv-p70）
+# 环境：P70_SECONDS（默认 60）基准秒数；P70_FORCE=1 允许 fps=0 时仍返回 0。
+set -u
+
+REPO="$(cd "$(dirname "$0")/.." && pwd)"
+OUT="${1:-/tmp/opencode/lv-p70}"
+BENCH_SECONDS="${P70_SECONDS:-60}"
+XVFB_ARGS="-screen 0 1280x720x24"
+
+KERNEL_DLL="$REPO/src/LivingVillage.Headless/bin/Release/net8.0/LivingVillage.Headless.dll"
+DESKTOP_DLL="$REPO/src/LivingVillage.Desktop/bin/Release/net8.0/LivingVillage.Desktop.dll"
+KERNEL_LOG="$OUT/kernel-baseline.txt"
+DESKTOP_LOG="$OUT/desktop-log.txt"
+
+mkdir -p "$OUT"
+echo "[p70] repo=$REPO out=$OUT bench_seconds=$BENCH_SECONDS"
+echo "[p70] started_at=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+echo "[p70] kernel_dll=$KERNEL_DLL"
+echo "[p70] desktop_dll=$DESKTOP_DLL"
+
+for dll in "$KERNEL_DLL" "$DESKTOP_DLL"; do
+    if [ ! -f "$dll" ]; then
+        echo "[p70] FATAL missing $dll（先 dotnet build LivingVillage.sln -c Release）" >&2
+        exit 90
+    fi
+done
+
+if command -v dotnet-counters >/dev/null 2>&1; then
+    COUNTERS=available
+else
+    COUNTERS=missing
+fi
+if command -v xvfb-run >/dev/null 2>&1; then
+    XVFB=available
+else
+    XVFB=missing
+fi
+{
+    echo "dotnet-counters=$COUNTERS"
+    echo "xvfb-run=$XVFB"
+    echo "bench_seconds=$BENCH_SECONDS"
+    echo "desktop_dll=$DESKTOP_DLL"
+    echo "kernel_dll=$KERNEL_DLL"
+} > "$OUT/env.txt"
+echo "[p70] dotnet-counters=$COUNTERS"
+if [ "$XVFB" = "missing" ]; then
+    echo "[p70] FATAL xvfb-run 不可用（Desktop 需虚拟显示）" >&2
+    exit 91
+fi
+echo "[p70] xvfb-run=$XVFB（不阻塞：逐帧分配用 GC.GetAllocatedBytesForCurrentThread 实测）"
+
+echo "[p70] kernel baseline: dotnet $KERNEL_DLL --performance-baseline"
+dotnet "$KERNEL_DLL" --performance-baseline > "$KERNEL_LOG" 2>&1
+KCODE=$?
+echo "[p70] kernel exit=$KCODE"
+
+echo "[p70] desktop frame loop: ${BENCH_SECONDS}s @ 1280x720 under xvfb"
+timeout $((BENCH_SECONDS + 180)) xvfb-run -a -s "$XVFB_ARGS" env \
+    LV_AUTOPLAY_SAMPLE=1 \
+    LV_PERF_SOAK_SECONDS="$BENCH_SECONDS" \
+    LV_FRAME_LOG=1 \
+    LV_UNLOCK_FPS=1 \
+    LV_LEGACY_MAP=1 \
+    LV_RECORD_DIR="$OUT" \
+    dotnet "$DESKTOP_DLL" > "$DESKTOP_LOG" 2>&1
+DCODE=$?
+echo "[p70] desktop exit=$DCODE frames=$(grep -c '^p70-frame ' "$DESKTOP_LOG" || true)"
+echo "[p70] ended_at=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+
+python3 "$REPO/scripts/analyze-p70.py" "$OUT" "$REPO/docs/evidence/p70-analysis.txt"
+ACODE=$?
+echo "[p70] analyze exit=$ACODE -> $REPO/docs/evidence/p70-analysis.txt"
+exit "$ACODE"