Files
ISEP/hooks/tests/mainline-idle-guard.test.sh
T
Leo 35e927ef55 補上「有動作、不宣告」那一格:主線閒置警察(inkstone/ISEP#30)
空手警察判「有沒有動作」、稼動率警察判「有沒有那句話」,兩支中間留了一格:
**有動作、就是不宣告下一步** ⇒ 兩支都放行。2026-08-27 實際發生的就是這一格。

新閘 hooks/mainline-idle-guard.sh(Stop)判的是「有沒有推進」,不是「有沒有動作」:
- 乾回合 = 這回合 ≥3 個 tool call,且沒有任何推進證據
- 推進證據五種(任一成立就歸零):派工/產出/寫進外部系統/Bash 寫入白名單/
  **工作區狀態變了**(HEAD 或未提交變更的指紋,heredoc·sed 改檔也吃得到)
- 連續 4 個乾回合擋一次,擋完歸零且**門檻加倍**(4→8→16)

一個字都不讀(守票上「不准文字層判準」那條紅線);③④ 的字面比對只用來放行,
永遠不用來擋——白名單漏一項是少放行一次,黑名單漏一項是誤攔一次。

門檻 4 是量出來的,不是拍腦袋:重放 6 份真 transcript、1965 個真實回合,
門檻 3 響 4 次、門檻 4 響 1 次(0.05%);門檻 3 多出來那三次都落在
「leo 連問問題、我逐題查證回答」的段落——那正是票上第 3 條驗收要保護的情境。

測試 hooks/tests/mainline-idle-guard.test.sh:61 條,A 群 15 條全是「不該擋」。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-27 20:28:55 +08:00

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#!/usr/bin/env bash
# mainline-idle-guard.sh 的迴歸測試(inkstone/ISEP#30 → comment 4851
#
# 兩個方向都要有證據:
# A 群「不該擋」——回答問題、輕量回合、任何一種推進證據、未達門檻、響過之後退讓
# B 群「該擋」 ——連續乾回合(有動作、零推進)踩到門檻
# C 群「訊息承諾的出路真的走得通」——擋完歸零、門檻加倍
#
# 用法:hooks/tests/mainline-idle-guard.test.sh [hooks/mainline-idle-guard.sh 的路徑]
# 🔴 全程在乾淨的 TMP 底下造假 transcript 與假狀態檔,跑完自己清;
# 不碰任何真 repo、不打網路、不寫 /tmp 的正式狀態檔(走 MAINLINE_IDLE_STATE_DIR)。
set -u
HOOK="${1:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)/mainline-idle-guard.sh}"
TMP=$(mktemp -d)
trap 'rm -rf "$TMP"' EXIT
PASS=0; FAIL=0; N=0
# append_turn <transcript> <block spec>...
# block spec`T:<文字>` assistant 文字段;`U:<工具名>` tool_use
# `B:<指令>` Bash tool_use(帶 command
append_turn() {
python3 - "$@" <<'PY'
import json, sys
path, specs = sys.argv[1], sys.argv[2:]
blocks = []
for s in specs:
k, v = s.split(":", 1)
if k == "T":
blocks.append({"type": "text", "text": v})
elif k == "B":
blocks.append({"type": "tool_use", "name": "Bash", "id": "t", "input": {"command": v}})
else:
blocks.append({"type": "tool_use", "name": v, "id": "t", "input": {}})
with open(path, "a") as f:
f.write(json.dumps({"type": "user",
"message": {"content": [{"type": "text", "text": "繼續"}]}},
ensure_ascii=False) + "\n")
f.write(json.dumps({"type": "assistant", "message": {"content": blocks}},
ensure_ascii=False) + "\n")
PY
}
# fire <session> <transcript> <期望 exit> <說明> [extra-json]
fire() {
sid="$1"; tr="$2"; want="$3"; desc="$4"; extra="${5:-}"
N=$((N+1))
payload=$(printf '{"session_id":"%s","transcript_path":"%s"%s}' "$sid" "$tr" "$extra")
out=$(printf '%s' "$payload" \
| CLAUDE_PROJECT_DIR="${PROJ_OVERRIDE:-$TMP}" \
MAINLINE_IDLE_STATE_DIR="$TMP" bash "$HOOK" 2>&1); rc=$?
if [ "$rc" -eq "$want" ]; then
printf ' ✅ %s\n' "$desc"; PASS=$((PASS+1))
else
printf ' ❌ %s —— 期望 exit=%s,實得 exit=%s\n' "$desc" "$want" "$rc"
printf '%s\n' "$out" | sed -n '1,6p' | sed 's/^/ /'
FAIL=$((FAIL+1))
fi
}
# 造一個新 session 的 transcript,並吃掉第一次的 baseline
new_session() {
sid="$1"; tr="$TMP/$sid.jsonl"; : > "$tr"
append_turn "$tr" 'U:Read'
printf '{"session_id":"%s","transcript_path":"%s"}' "$sid" "$tr" \
| CLAUDE_PROJECT_DIR="${PROJ_OVERRIDE:-$TMP}" MAINLINE_IDLE_STATE_DIR="$TMP" \
bash "$HOOK" >/dev/null 2>&1
echo "$tr"
}
DRY=(U:Read U:Grep B:git\ status U:Read) # 4 個動作、零推進 乾回合
echo "── A 群:不該擋 ────────────────────────────────────────────"
tr=$(new_session s-light)
fire s-light "$tr" 0 "① 第一次見到這個 session(立基準,不評分)"
# 票上第 3 條驗收:回答一個不需要派工的問題 ⇒ 放行(且**不計數**)
for i in 1 2 3 4 5; do
append_turn "$tr" 'U:Read' 'U:Grep' "T:查了一下,答案是 X。"
fire s-light "$tr" 0 "② 回答問題的輕量回合(2 個動作)第 $i 次——連 5 次都不該擋"
done
tr=$(new_session s-dispatch)
for i in 1 2 3 4; do
append_turn "$tr" "${DRY[@]}" 'U:Agent'
fire s-dispatch "$tr" 0 "③ 有派工(Agent)第 $i 次 ⇒ 永遠歸零"
done
tr=$(new_session s-send)
for i in 1 2 3 4; do
append_turn "$tr" "${DRY[@]}" 'U:SendMessage'
fire s-send "$tr" 0 "④ 驅動既有 agentSendMessage)第 $i 次"
done
tr=$(new_session s-write)
for i in 1 2 3 4; do
append_turn "$tr" "${DRY[@]}" 'U:Edit'
fire s-write "$tr" 0 "⑤ 有產出(Edit)第 $i 次"
done
tr=$(new_session s-ticket)
for i in 1 2 3 4; do
append_turn "$tr" 'U:Read' 'U:Grep' 'B:scripts/ticket say inkstone/ISEP#30 -F /tmp/x.md'
fire s-ticket "$tr" 0 "⑥ 寫回票(scripts/ticket say)第 $i 次"
done
tr=$(new_session s-mcp)
for i in 1 2 3 4; do
append_turn "$tr" "${DRY[@]}" 'U:mcp__x__kbdb_create_record'
fire s-mcp "$tr" 0 "⑦ 寫進外部系統(kbdb_create_record)第 $i 次"
done
tr=$(new_session s-under)
for i in 1 2 3; do
append_turn "$tr" "${DRY[@]}"; fire s-under "$tr" 0 "⑧ 第 $i 個乾回合——未達門檻(4),不擋"
done
tr=$(new_session s-active)
append_turn "$tr" "${DRY[@]}"
fire s-active "$tr" 0 "⑩ stop_hook_active(已被別的 Stop 閘擋過)⇒ 不計數" ',"stop_hook_active":true'
append_turn "$tr" "${DRY[@]}"
fire s-active "$tr" 0 "⑪ 同上,第 2 次仍不擋(不會被別的閘的擋下推著累積)" ',"stop_hook_active":true'
tr=$(new_session s-dup)
append_turn "$tr" "${DRY[@]}"
fire s-dup "$tr" 0 "⑫ 同一個回合被叫兩次(transcript 沒長)——第 1 次"
fire s-dup "$tr" 0 "⑬ 同上第 2 次:不重複計數"
fire s-dup "$tr" 0 "⑭ 同上第 3 次:仍不擋(重複呼叫不該累積成擋下)"
fire s-bad "$TMP/does-not-exist.jsonl" 0 "⑮ 讀不到 transcript ⇒ 放行(不亂擋)"
echo "── B 群:該擋 ──────────────────────────────────────────────"
tr=$(new_session s-idle)
for i in 1 2 3; do
append_turn "$tr" "${DRY[@]}"; fire s-idle "$tr" 0 "⑯ 乾回合 $i4"
done
append_turn "$tr" "${DRY[@]}"; fire s-idle "$tr" 2 "⑰ 乾回合 44 ⇒ **擋下**"
tr=$(new_session s-idle2)
for i in 1 2 3; do
append_turn "$tr" 'U:Read' 'U:Read' 'U:Read'; fire s-idle2 "$tr" 0 "⑱ 純唯讀乾回合 $i4"
done
append_turn "$tr" 'U:Bash' 'U:Bash' 'U:Read'; fire s-idle2 "$tr" 2 "⑲ 唯讀 Bash 也算乾回合 ⇒ **擋下**"
echo "── C 群:響過就退讓(訊息裡承諾的出路真的存在)───────────────"
# 接續 s-idle:它剛在 ⑰ 被擋過 ⇒ 計數歸零、門檻 4→8
tr="$TMP/s-idle.jsonl"
for i in 1 2 3 4 5 6 7; do
append_turn "$tr" "${DRY[@]}"
fire s-idle "$tr" 0 "⑳ 擋過之後第 $i 個乾回合——門檻已加倍(4→8),不該再響"
done
append_turn "$tr" "${DRY[@]}"
fire s-idle "$tr" 2 "㉑ 第 8 個乾回合 ⇒ 再擋一次(門檻 8)"
# 量測用的旋鈕要真的有效(檔頭那份實測靠它重跑)
export MAINLINE_IDLE_THRESHOLD=2
tr=$(new_session s-th)
append_turn "$tr" "${DRY[@]}"; fire s-th "$tr" 0 "㉒ MAINLINE_IDLE_THRESHOLD=2:第 1 個乾回合"
append_turn "$tr" "${DRY[@]}"; fire s-th "$tr" 2 "㉓ 同上第 2 個 ⇒ 擋(證明門檻可被量測腳本改)"
unset MAINLINE_IDLE_THRESHOLD
echo "── D 群:工作區狀態變了就算推進(heredoc/sed 改檔吃得到)──────"
REPO="$TMP/repo"; mkdir -p "$REPO"
git -C "$REPO" init -q 2>/dev/null
git -C "$REPO" config user.email t@t; git -C "$REPO" config user.name t
echo a > "$REPO/a.txt"; git -C "$REPO" add -A; git -C "$REPO" commit -qm init
PROJ_OVERRIDE="$REPO"
tr=$(new_session s-git)
for i in 1 2 3; do
append_turn "$tr" "${DRY[@]}"; fire s-git "$tr" 0 "㉔ 乾回合 $i4(工作區沒動)"
done
# 用 heredocsed 改檔——工具名是 Bash、指令不在白名單,只有狀態指紋看得出來
echo "changed by heredoc" >> "$REPO/a.txt"
append_turn "$tr" "${DRY[@]}"; fire s-git "$tr" 0 "㉕ 第 4 個乾回合,但工作區變了 ⇒ 算推進,不擋"
for i in 1 2 3; do
append_turn "$tr" "${DRY[@]}"; fire s-git "$tr" 0 "㉖ 之後乾回合 $i4(證明上一格真的歸零過)"
done
append_turn "$tr" "${DRY[@]}"; fire s-git "$tr" 2 "㉗ 乾回合 44 ⇒ **擋下**"
PROJ_OVERRIDE=""
echo
printf '結果:%s 通過 / %s 失敗(共 %s 條)\n' "$PASS" "$FAIL" "$N"
[ "$FAIL" -eq 0 ] || exit 1