diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index bb3d7bc4..b571aacf 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -478,8 +478,16 @@ jobs:
                 ;;
               scripts/reboot-recovery/188-host-hygiene-maintenance-checklist.sh)
                 ;;
+              scripts/reboot-recovery/full-stack-cold-start-check.sh)
+                ;;
+              scripts/reboot-recovery/full-stack-recovery-scorecard.sh)
+                ;;
+              scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh)
+                ;;
               scripts/reboot-recovery/tests/test_dr_escrow_evidence_checklist.py)
                 ;;
+              scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py)
+                ;;
               scripts/reboot-recovery/awoooi-reboot-auto-recovery-slo.service)
                 ;;
               scripts/reboot-recovery/awoooi-reboot-auto-recovery-slo.timer)
@@ -648,7 +656,10 @@ jobs:
               ../../scripts/reboot-recovery/reboot-auto-recovery-host-probe.sh \
               ../../scripts/reboot-recovery/reboot-auto-recovery-slo-exporter.sh \
               ../../scripts/reboot-recovery/post-start-quick-check.sh \
-              ../../scripts/reboot-recovery/188-host-hygiene-maintenance-checklist.sh
+              ../../scripts/reboot-recovery/188-host-hygiene-maintenance-checklist.sh \
+              ../../scripts/reboot-recovery/full-stack-cold-start-check.sh \
+              ../../scripts/reboot-recovery/full-stack-recovery-scorecard.sh \
+              ../../scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh
             DATABASE_URL="${DATABASE_URL:-postgresql+asyncpg://ci:ci@localhost/ci}" \
             PYTHONFAULTHANDLER=1 python3.11 -m pytest \
               tests/test_agent_replay_normalizer.py \
@@ -685,6 +696,7 @@ jobs:
               ../../ops/runner/test_cd_controlled_runtime_profile.py \
               ../../ops/runner/test_verify_awoooi_non110_cd_closure.py \
               ../../scripts/reboot-recovery/tests/test_dr_escrow_evidence_checklist.py \
+              ../../scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py \
               ../../scripts/reboot-recovery/tests/test_reboot_auto_recovery_slo_installer.py \
               ../../scripts/reboot-recovery/tests/test_reboot_auto_recovery_slo_scorecard.py \
               ../../scripts/reboot-recovery/tests/test_188_host_hygiene_checklist.py \
diff --git a/docs/LOGBOOK.md b/docs/LOGBOOK.md
index 274afe70..9d3a6565 100644
--- a/docs/LOGBOOK.md
+++ b/docs/LOGBOOK.md
@@ -1,3 +1,23 @@
+## 2026-06-30 — 09:07 P0-006 cold-start monitor bounded probe hardening
+
+**照主線處理的問題**：
+- Production Prometheus 顯示 `awoooi_cold_start_last_result{result="check_failed"}=1`，`warn_gates=0`、`blocked_gates=0`，Alertmanager 仍有 `ColdStartLastGreenTooOld` firing；因此目前不能宣稱 10 分鐘自動恢復 SLO ready，真正問題是 cold-start monitor 無法穩定產生 GREEN summary。
+- 本機重跑 `full-stack-recovery-scorecard.sh` 與 `full-stack-cold-start-check.sh` 時，110 read-only SSH / offsite evidence probe 會卡住；已中止檢查 wrapper 並清掉本輪留下的 verify-only 孤兒程序，未進行 runtime 寫入。
+- `scripts/reboot-recovery/full-stack-cold-start-check.sh` 已對 SSH probe 加上 `ConnectionAttempts=1`、`ServerAliveInterval=5`、`ServerAliveCountMax=1` 與每個遠端命令 45 秒 timeout，避免單一 host/evidence probe 卡住整個 scorecard。
+- `scripts/reboot-recovery/full-stack-recovery-scorecard.sh` 已對 110 offsite escrow evidence readback 加同等 bounded SSH / remote command timeout，讓 DR scorecard fail-visible 而不是無界等待。
+- `scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh` 已對 deploy parity 的 hash/pattern SSH readback 加同等 bounded timeout，避免 recovery scorecard 卡在 parity verifier。
+- `.gitea/workflows/cd.yaml` controlled-runtime profile 已納入三支 recovery shell、`bash -n` 與 bounded probe contract test，避免此類 P0 monitor 修正掉到重型 B5 / runner 壓力路徑。
+
+**驗證**：
+- `bash -n`：三支 recovery shell 與 `.gitea/workflows/cd.yaml` 通過。
+- Bounded probe contract + CD profile guard：`28 passed`。
+- Gitea runner pressure guard：`workflow_files=11`、`auto_branch_events_on_110=0`、`generic_runner_labels=0`。
+- Gitea step env secret guard：`no Gitea run/with secrets or legacy Telegram routes`。
+- `git diff --check`：通過。
+- 短 timeout 實跑 `full-stack-recovery-scorecard.sh` 已返回，不再卡死；目前 truth 為 `CORE_COLD_START_GREEN=0`、`CORE_COLD_START_FIRING_ALERTS=1`、`CORE_COLD_START_DEPLOY_PARITY=0`、offsite evidence `unknown`、`RECOVERY_STATE=CORE_NOT_READY_DR_OFFSITE_PENDING`。
+
+**邊界**：未重啟主機，未 restart Docker / Nginx / K3s / DB / firewall，未 workflow_dispatch，未操作 K8s / DB 寫入，未讀 secret / token / raw sessions / SQLite / `.env`，未使用 GitHub / `gh` / GitHub API。
+
 ## 2026-06-30 — 08:55 P0 mainline priority-order production readback
 
 **照主線完成的實作**：
diff --git a/ops/runner/test_cd_controlled_runtime_profile.py b/ops/runner/test_cd_controlled_runtime_profile.py
index e4e10d6f..fbb2a6d1 100644
--- a/ops/runner/test_cd_controlled_runtime_profile.py
+++ b/ops/runner/test_cd_controlled_runtime_profile.py
@@ -321,9 +321,14 @@ def test_reboot_auto_recovery_slo_sources_stay_on_controlled_runtime_profile() -
         "scripts/reboot-recovery/reboot-auto-recovery-host-probe.sh)",
         "scripts/reboot-recovery/reboot-auto-recovery-slo-exporter.sh)",
         "scripts/reboot-recovery/reboot-auto-recovery-slo-scorecard.py)",
+        "scripts/reboot-recovery/full-stack-cold-start-check.sh)",
+        "scripts/reboot-recovery/full-stack-recovery-scorecard.sh)",
+        "scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh)",
+        "scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py)",
         "scripts/reboot-recovery/tests/test_reboot_auto_recovery_slo_installer.py)",
         "scripts/reboot-recovery/tests/test_reboot_auto_recovery_slo_scorecard.py)",
         "../../scripts/reboot-recovery/reboot-auto-recovery-slo-scorecard.py",
+        "../../scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py",
         "../../scripts/reboot-recovery/tests/test_reboot_auto_recovery_slo_installer.py",
         "../../scripts/reboot-recovery/tests/test_reboot_auto_recovery_slo_scorecard.py",
     ]
@@ -336,12 +341,20 @@ def test_post_start_recovery_verifiers_stay_on_controlled_runtime_profile() -> N
     expected_sources = [
         "scripts/reboot-recovery/post-start-quick-check.sh)",
         "scripts/reboot-recovery/188-host-hygiene-maintenance-checklist.sh)",
+        "scripts/reboot-recovery/full-stack-cold-start-check.sh)",
+        "scripts/reboot-recovery/full-stack-recovery-scorecard.sh)",
+        "scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh)",
         "scripts/reboot-recovery/tests/test_188_host_hygiene_checklist.py)",
         "scripts/reboot-recovery/tests/test_post_start_quick_check_contract.py)",
+        "scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py)",
         "../../scripts/reboot-recovery/post-start-quick-check.sh",
         "../../scripts/reboot-recovery/188-host-hygiene-maintenance-checklist.sh",
+        "../../scripts/reboot-recovery/full-stack-cold-start-check.sh",
+        "../../scripts/reboot-recovery/full-stack-recovery-scorecard.sh",
+        "../../scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh",
         "../../scripts/reboot-recovery/tests/test_188_host_hygiene_checklist.py",
         "../../scripts/reboot-recovery/tests/test_post_start_quick_check_contract.py",
+        "../../scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py",
     ]
     for source in expected_sources:
         assert source in text
diff --git a/scripts/reboot-recovery/full-stack-cold-start-check.sh b/scripts/reboot-recovery/full-stack-cold-start-check.sh
index 9e6e3629..98b97227 100755
--- a/scripts/reboot-recovery/full-stack-cold-start-check.sh
+++ b/scripts/reboot-recovery/full-stack-cold-start-check.sh
@@ -4,7 +4,14 @@
 
 set -uo pipefail
 
-SSH_OPTS=(-o BatchMode=yes -o ConnectTimeout=6)
+SSH_COMMAND_TIMEOUT_SECONDS="${SSH_COMMAND_TIMEOUT_SECONDS:-45}"
+SSH_OPTS=(
+  -o BatchMode=yes
+  -o ConnectTimeout=6
+  -o ConnectionAttempts=1
+  -o ServerAliveInterval=5
+  -o ServerAliveCountMax=1
+)
 SEND_ALERT_TEST=0
 MONITOR_READ_ONLY=0
 NO_COLOR_FLAG=0
@@ -129,10 +136,12 @@ ssh_cmd() {
   local user_host="$1"
   local cmd="$2"
   local prefix=""
+  local quoted_cmd=""
   if [ -n "${REMOTE_SUDO_PASSWORD:-}" ]; then
     printf -v prefix 'REMOTE_SUDO_PASSWORD=%q ' "$REMOTE_SUDO_PASSWORD"
   fi
-  ssh "${SSH_OPTS[@]}" "$user_host" "${prefix}${cmd}"
+  printf -v quoted_cmd '%q' "$cmd"
+  ssh "${SSH_OPTS[@]}" "$user_host" "${prefix}if command -v timeout >/dev/null 2>&1; then timeout ${SSH_COMMAND_TIMEOUT_SECONDS}s bash -lc ${quoted_cmd}; else bash -lc ${quoted_cmd}; fi"
 }
 
 host_has_ip() {
diff --git a/scripts/reboot-recovery/full-stack-recovery-scorecard.sh b/scripts/reboot-recovery/full-stack-recovery-scorecard.sh
index edd9cf7e..7c55640c 100755
--- a/scripts/reboot-recovery/full-stack-recovery-scorecard.sh
+++ b/scripts/reboot-recovery/full-stack-recovery-scorecard.sh
@@ -9,6 +9,7 @@ PROMETHEUS_URL="${PROMETHEUS_URL:-http://192.168.0.110:9090}"
 ALERTMANAGER_URL="${ALERTMANAGER_URL:-http://192.168.0.110:9093}"
 SSH_BATCH_MODE="${SSH_BATCH_MODE:-yes}"
 SSH_STRICT_HOST_KEY_CHECKING="${SSH_STRICT_HOST_KEY_CHECKING:-accept-new}"
+REMOTE_COMMAND_TIMEOUT_SECONDS="${REMOTE_COMMAND_TIMEOUT_SECONDS:-45}"
 REQUIRE_CORE=0
 REQUIRE_DR=0
 
@@ -56,7 +57,14 @@ while [ "$#" -gt 0 ]; do
   esac
 done
 
-ssh_opts=(-o BatchMode="$SSH_BATCH_MODE" -o ConnectTimeout=6 -o StrictHostKeyChecking="$SSH_STRICT_HOST_KEY_CHECKING")
+ssh_opts=(
+  -o BatchMode="$SSH_BATCH_MODE"
+  -o ConnectTimeout=6
+  -o ConnectionAttempts=1
+  -o ServerAliveInterval=5
+  -o ServerAliveCountMax=1
+  -o StrictHostKeyChecking="$SSH_STRICT_HOST_KEY_CHECKING"
+)
 
 status_value() {
   local key="$1"
@@ -98,6 +106,13 @@ except Exception:
 PY
 }
 
+remote_110_read() {
+  local command="$1"
+  local quoted_command=""
+  printf -v quoted_command '%q' "$command"
+  ssh "${ssh_opts[@]}" "$REMOTE_110" "if command -v timeout >/dev/null 2>&1; then timeout ${REMOTE_COMMAND_TIMEOUT_SECONDS}s bash -lc ${quoted_command}; else bash -lc ${quoted_command}; fi"
+}
+
 echo "AWOOOI full-stack recovery scorecard"
 date '+%Y-%m-%d %H:%M:%S %Z'
 echo
@@ -127,7 +142,7 @@ else
   status_value BACKUP_GAP_ALERT_VISIBILITY 0
 fi
 
-evidence_report="$(ssh "${ssh_opts[@]}" "$REMOTE_110" '/backup/scripts/offsite-escrow-evidence-report.sh --no-color' 2>/tmp/awoooi-scorecard-offsite-evidence.err || true)"
+evidence_report="$(remote_110_read '/backup/scripts/offsite-escrow-evidence-report.sh --no-color' 2>/tmp/awoooi-scorecard-offsite-evidence.err || true)"
 
 extract_report_value() {
   local key="$1"
diff --git a/scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py b/scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py
new file mode 100644
index 00000000..8fe11e91
--- /dev/null
+++ b/scripts/reboot-recovery/tests/test_cold_start_monitor_bounded_probes.py
@@ -0,0 +1,47 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[3]
+COLD_START_CHECK = ROOT / "scripts" / "reboot-recovery" / "full-stack-cold-start-check.sh"
+RECOVERY_SCORECARD = (
+    ROOT / "scripts" / "reboot-recovery" / "full-stack-recovery-scorecard.sh"
+)
+VERIFY_DEPLOY = ROOT / "scripts" / "reboot-recovery" / "verify-cold-start-monitor-deploy.sh"
+
+
+def test_full_stack_cold_start_check_bounds_ssh_probes() -> None:
+    text = COLD_START_CHECK.read_text(encoding="utf-8")
+
+    assert 'SSH_COMMAND_TIMEOUT_SECONDS="${SSH_COMMAND_TIMEOUT_SECONDS:-45}"' in text
+    assert "-o ConnectionAttempts=1" in text
+    assert "-o ServerAliveInterval=5" in text
+    assert "-o ServerAliveCountMax=1" in text
+    assert "timeout ${SSH_COMMAND_TIMEOUT_SECONDS}s bash -lc" in text
+    assert "printf -v quoted_cmd '%q' \"$cmd\"" in text
+
+
+def test_recovery_scorecard_bounds_offsite_evidence_ssh() -> None:
+    text = RECOVERY_SCORECARD.read_text(encoding="utf-8")
+
+    assert 'REMOTE_COMMAND_TIMEOUT_SECONDS="${REMOTE_COMMAND_TIMEOUT_SECONDS:-45}"' in text
+    assert "-o ConnectionAttempts=1" in text
+    assert "-o ServerAliveInterval=5" in text
+    assert "-o ServerAliveCountMax=1" in text
+    assert "remote_110_read()" in text
+    assert "timeout ${REMOTE_COMMAND_TIMEOUT_SECONDS}s bash -lc" in text
+    assert "offsite-escrow-evidence-report.sh --no-color" in text
+
+
+def test_cold_start_deploy_parity_verifier_bounds_ssh_readback() -> None:
+    text = VERIFY_DEPLOY.read_text(encoding="utf-8")
+
+    assert 'REMOTE_COMMAND_TIMEOUT_SECONDS="${REMOTE_COMMAND_TIMEOUT_SECONDS:-45}"' in text
+    assert "-o ConnectionAttempts=1" in text
+    assert "-o ServerAliveInterval=5" in text
+    assert "-o ServerAliveCountMax=1" in text
+    assert "remote_read()" in text
+    assert "timeout ${REMOTE_COMMAND_TIMEOUT_SECONDS}s bash -lc" in text
+    assert 'remote_read "sha256sum' in text
+    assert 'if remote_read "grep -Fq' in text
diff --git a/scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh b/scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh
index e69ce784..b26d28f7 100755
--- a/scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh
+++ b/scripts/reboot-recovery/verify-cold-start-monitor-deploy.sh
@@ -7,9 +7,17 @@ ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
 REMOTE="${REMOTE:-wooo@192.168.0.110}"
 SSH_BATCH_MODE="${SSH_BATCH_MODE:-yes}"
 SSH_STRICT_HOST_KEY_CHECKING="${SSH_STRICT_HOST_KEY_CHECKING:-accept-new}"
+REMOTE_COMMAND_TIMEOUT_SECONDS="${REMOTE_COMMAND_TIMEOUT_SECONDS:-45}"
 PROMETHEUS_URL="${PROMETHEUS_URL:-http://192.168.0.110:9090}"
 
-ssh_opts=(-o BatchMode="$SSH_BATCH_MODE" -o ConnectTimeout=6 -o StrictHostKeyChecking="$SSH_STRICT_HOST_KEY_CHECKING")
+ssh_opts=(
+  -o BatchMode="$SSH_BATCH_MODE"
+  -o ConnectTimeout=6
+  -o ConnectionAttempts=1
+  -o ServerAliveInterval=5
+  -o ServerAliveCountMax=1
+  -o StrictHostKeyChecking="$SSH_STRICT_HOST_KEY_CHECKING"
+)
 
 local_sha256() {
   if command -v sha256sum >/dev/null 2>&1; then
@@ -20,7 +28,14 @@ local_sha256() {
 }
 
 remote_sha256() {
-  ssh "${ssh_opts[@]}" "$REMOTE" "sha256sum '$1' 2>/dev/null | awk '{print \$1}'"
+  remote_read "sha256sum '$1' 2>/dev/null | awk '{print \$1}'"
+}
+
+remote_read() {
+  local command="$1"
+  local quoted_command=""
+  printf -v quoted_command '%q' "$command"
+  ssh "${ssh_opts[@]}" "$REMOTE" "if command -v timeout >/dev/null 2>&1; then timeout ${REMOTE_COMMAND_TIMEOUT_SECONDS}s bash -lc ${quoted_command}; else bash -lc ${quoted_command}; fi"
 }
 
 require_same_hash() {
@@ -46,7 +61,7 @@ require_remote_pattern() {
   local pattern="$1"
   local path="$2"
   local label="$3"
-  if ssh "${ssh_opts[@]}" "$REMOTE" "grep -Fq '$pattern' '$path'"; then
+  if remote_read "grep -Fq '$pattern' '$path'"; then
     echo "OK $label"
   else
     echo "BLOCKED $label missing in $path" >&2