diff --git a/tests/e2e/run.sh b/tests/e2e/run.sh
index 5413ac7..57bf92a 100644
--- a/tests/e2e/run.sh
+++ b/tests/e2e/run.sh
@@ -274,6 +274,49 @@ test -f /etc/systemd/system.conf.d/shturman-watchdog.conf || fail "нет watchd
 systemctl is-active --quiet shturman-savetime.timer && pass "savetime.timer активен" || echo "  WARN: savetime.timer не активен"
 pass "watchdog-конфиг на месте"
 
+# ---- v0.4: thermal-trip + throttling + MCU fail-safe (мок-sensor/MCU) ----
+# Каждый под-тест стартует с чистого running-power (рестарт сбрасывает MockTempSource→20, FSM→running,
+# и счётчик start-limit). thermal-abort покрыт integration-тестом (P8.7) — в E2E не гоняем с grace-окном.
+info "v0.4: thermal-trip → ShutdownImminent(thermal); throttling-банд; MCU fail-safe (hang → cut)"
+P_RESTART() {  # чистый рестарт power → running
+  sudo systemctl reset-failed shturman-power.service 2>/dev/null || true
+  sudo systemctl restart shturman-power.service
+  for _ in $(seq 1 10); do systemctl is-active --quiet shturman-power && break; sleep 1; done
+  sleep 1.5  # дать циклам (poll/heartbeat ~1с) стартовать
+}
+
+# thermal-trip: SetTemp ≥ critical → ShutdownImminent(thermal) (монитор poll ~1с; ловим до grace-commit)
+P_RESTART
+mon=$(mktemp)
+# shellcheck disable=SC2024
+sudo busctl --system monitor "$P_NAME" >"$mon" 2>&1 & M=$!
+sleep 0.4; P_CALL SetTemp i 99; sleep 1.6
+sudo kill "$M" 2>/dev/null; wait "$M" 2>/dev/null
+grep -q ShutdownImminent "$mon" || { cat "$mon"; rm -f "$mon"; fail "thermal: ShutdownImminent не наблюдаем"; }
+grep -q thermal "$mon" || { cat "$mon"; rm -f "$mon"; fail "thermal: reason != thermal"; }
+rm -f "$mon"
+pass "thermal-trip: SetTemp≥critical → ShutdownImminent(thermal)"
+
+# throttling-банд (85..95) → ThermalState=throttle, БЕЗ shutdown
+P_RESTART
+P_CALL SetTemp i 88; sleep 2
+ts=$(busctl --system get-property "$P_NAME" "$P_PATH" "$P_IFACE" ThermalState 2>/dev/null)
+echo "$ts" | grep -q throttle || { echo "ThermalState=$ts"; fail "thermal: ThermalState != throttle на 88°C"; }
+busctl --system call "$P_NAME" "$P_PATH" "$P_IFACE" GetPowerState | grep -q running || fail "thermal: throttle не должен ронять"
+pass "throttling-банд: ThermalState=throttle на 88°C, без shutdown"
+
+# MCU fail-safe: HangSoc → heartbeat пропал → MCU режет (FSM → off) детерминированно (B09)
+P_RESTART
+P_CALL HangSoc
+ok=0
+for _ in $(seq 1 10); do
+  sleep 1
+  busctl --system call "$P_NAME" "$P_PATH" "$P_IFACE" GetPowerState 2>/dev/null | grep -q off && { ok=1; break; }
+done
+[ "$ok" = 1 ] || fail "MCU fail-safe: power не off после HangSoc (B09 не сработал)"
+pass "MCU fail-safe: HangSoc → MCU cut (FSM off), детерминированно"
+P_RESTART  # чистый running для последующих блоков
+
 # ---- 8. base-бюджеты: journald / zram / fake-hwclock / eMMC-прокси (§9.3.7) ----
 info "8. base-бюджеты (функц.)"
 # journald volatile: активный журнал в /run/log/journal, persistent /var/log/journal отсутствует (A10)