diff --git a/game/tests/.gates/.gitignore b/game/tests/.gates/.gitignore
new file mode 100644
index 00000000..145f1aa6
--- /dev/null
+++ b/game/tests/.gates/.gitignore
@@ -0,0 +1,4 @@
+# 本目录只入库 baseline.json（存量基线，需随代码走以保证各 worktree 判定口径一致）。
+# receipt.json 是每跑批覆写的当次回执、*.log 是跑批当场日志——两者都是中间产物，不入库。
+receipt.json
+*.log
\ No newline at end of file
diff --git a/game/tests/.gates/receipt.json b/game/tests/.gates/receipt.json
deleted file mode 100644
index 675463a1..00000000
--- a/game/tests/.gates/receipt.json
+++ /dev/null
@@ -1,62 +0,0 @@
-{
- "commit": "1d4ac91e3bda95048e65b7ac17c29a8e6198b80f",
- "commit_short": "1d4ac91e",
- "timestamp": "2026-10-15T21:42:07+08:00",
- "quick_mode": false,
- "first_baseline_run": true,
- "gates": [
-  {
-   "name": "01 冒烟全量",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "02 单元套件",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "03 探针 --click",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "04 探针 --full",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "05 渲染闸",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "06 gdd_lint",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "07 doc_link",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "08 doc_term",
-   "exit": "0",
-   "fingerprint": "green"
-  },
-  {
-   "name": "09 静态扫描",
-   "exit": "1",
-   "fingerprint": "3220614b09c4"
-  },
-  {
-   "name": "10 熵增闸",
-   "exit": "0",
-   "fingerprint": "green"
-  }
- ],
- "changed_vs_baseline": [],
- "inherited_red": [],
- "all_green": true
-}
\ No newline at end of file
diff --git a/tools/run_all_gates.sh b/tools/run_all_gates.sh
index c86f7466..3035105b 100644
--- a/tools/run_all_gates.sh
+++ b/tools/run_all_gates.sh
@@ -28,6 +28,15 @@ QUICK=0
 [ "${1:-}" = "--quick" ] && QUICK=1
 [ $# -gt 1 ] && { echo "用法: tools/run_all_gates.sh [--quick]"; exit 2; }
 
+# 回执与日志是中间产物（不入库），但 .gitignore 本身必须入库——漏了就等于把它们纳入版本管理。
+# 每次跑批前自愈重建，避免「清目录重跑」把 .gitignore 一起带走（2026-10-15 实踩）。
+mkdir -p "$STAMP_DIR"
+if [ ! -f "$STAMP_DIR/.gitignore" ]; then
+	printf '# 本目录只入库 baseline.json（存量基线，需随代码走以保证各 worktree 判定口径一致）。\n# receipt.json 是每跑批覆写的当次回执、*.log 是跑批当场日志——两者都是中间产物，不入库。\nreceipt.json\n*.log\n' \
+		> "$STAMP_DIR/.gitignore"
+	echo "[gates] 已自愈重建 $STAMP_DIR/.gitignore"
+fi
+
 # ── python 解释器解析：优先带 PIL 的 gamedev venv（渲染闸的 shot_checker/golden_compare 依赖），
 #    回落 PATH 上的 python。渲染闸的三个脚本要 PIL，用错解释器会假红。
 PY=""
@@ -44,7 +53,6 @@ case "$PY" in
 	*/Scripts/python.exe|*/Scripts/python) export PATH="$(dirname "$PY"):$PATH" ;;
 esac
 
-mkdir -p "$STAMP_DIR"
 declare -a NAMES=() EXITS=() LOGS=()
 FAILED=0