// === REASON-BASED LOCKS ===
const nextWindowCandidates = [
  nextDailyOccurrenceMs(morningStartMin, nowMs),
  nextDailyOccurrenceMs(hcMiddayStartMin, nowMs),
  nextDailyOccurrenceMs(eveningStartMin, nowMs),
  nextDailyOccurrenceMs(hcNightStartMin, nowMs),
].filter(v => Number.isFinite(v));
const nextAllowedWindowStartMs =
  nextWindowCandidates.length > 0 ? Math.min(...nextWindowCandidates) : null;
const blockActive = blockedUntilMs !== null && blockedUntilMs > nowMs + 1000;
const blockStillRelevant =
  lastBlockReason === 'outside_window' ? profile === 'outside_window' :
  lastBlockReason === 'probe_failed' ? (profile === 'morning_solar' || profile === 'midday_hc_or_solar' || profile === 'outside_window') :
  lastBlockReason === 'battery_protection_stop' ? (
    batteryCurrentA < -batteryNeutralBandA || anyVebusLowBattery || vebusDcVoltageSoftLow
  ) :
  lastBlockReason === 'grid_battery_guard' ? sourceMode === 'grid_hc_allowed' :
  false;
const startBlockedByReason = blockActive && blockStillRelevant;

// === CLOUD DEBT ===
const sessionObservedActive = evcsChargingSwitchOn || controlLatch || chargePermissionNow;
const batteryNetPowerW = batteryCurrentA * batteryVoltageRef;
let cloudDebtNextKwh = cloudDebtPrevKwh;
if (sessionObservedActive) {
  if (batteryNetPowerW < 0 && sourceMode !== 'grid_hc_allowed') {
    cloudDebtNextKwh += (Math.abs(batteryNetPowerW) * CFG.sampleSeconds) / 3600000;
  } else if (batteryNetPowerW > 0) {
    cloudDebtNextKwh -= (batteryNetPowerW * CFG.sampleSeconds) / 3600000;
  }
} else if (batteryNetPowerW > 0) {
  cloudDebtNextKwh -= (batteryNetPowerW * CFG.sampleSeconds) / 3600000;
}
cloudDebtNextKwh = clamp(cloudDebtNextKwh, 0, cloudDebtMaxKwh * 4);
const cloudDebtMeaningful = cloudDebtNextKwh > CFG.cloudDebtMeaningfulThresholdKwh;
const cloudEventDischargingNow =
  sessionObservedActive &&
  sourceMode !== 'grid_hc_allowed' &&
  batteryCurrentA < -Math.max(1, batteryNeutralBandA) &&
  cloudDebtMeaningful;
const continuingCloudEvent =
  cloudEventDischargingNow &&
  cloudDebtStartedMsPrev !== null &&
  cloudDebtPrevKwh > CFG.cloudDebtRecoveryThresholdKwh;
const enteringCloudDebt = cloudEventDischargingNow && !continuingCloudEvent;
const cloudDebtActive = cloudEventDischargingNow;
const cloudDebtStartedMs =
  cloudEventDischargingNow
    ? (continuingCloudEvent ? cloudDebtStartedMsPrev : nowMs)
    : null;
const cloudDebtDurationMinutes =
  cloudDebtActive && cloudDebtStartedMs !== null
    ? Math.max(0, (nowMs - cloudDebtStartedMs) / 60000)
    : 0;
const cloudToleranceOk =
  cloudDebtNextKwh <= cloudDebtMaxKwh &&
  (
    !cloudDebtActive ||
    cloudDebtDurationMinutes <= cloudToleranceMinutes
  );

// === LEGACY SOLAR MODES KEPT ===
const batteryFullHarvestMode =
  forecastModeEnabled &&
  profile !== 'night_hc' &&
  profile !== 'outside_window' &&
  soc >= batteryFullSoc &&
  todayRemainingKwh >= batteryFullForecastMinKwh &&
  projectedEndSocAfterCharge >= (endDayGuardSoc - 2);
const forecastCommitMode =
  forecastModeEnabled &&
  profile !== 'night_hc' &&
  profile !== 'outside_window' &&
  soc >= forecastCommitSocFloor &&
  todayRemainingKwh >= forecastCommitMinKwh &&
  projectedEndSocAfterCharge >= endDayGuardSoc;
const batteryPriorityMode = !batteryFullHarvestMode && !forecastCommitMode;

// === BASE CONDITIONS ===
const commonSafetyStartOk =
  canRunAtMinCurrent &&
  !anyVebusOverload &&
  !anyVebusLowBattery &&
  !vebusDcVoltageSoftLow &&
  !vebusAcOutSoftReached &&
  evcsDeviceConnected &&
  evcsVehicleConnected &&
  !evcsModeIsAuto;
const commonSafetyHoldOk =
  canRunAtMinCurrent &&
  !anyVebusOverload &&
  !anyVebusLowBattery &&
  !vebusDcVoltageHardLow &&
  evcsDeviceConnected &&
  evcsVehicleConnected &&
  !evcsModeIsAuto;
const profileSocStartFloor =
  profile === 'morning_solar' ? morningSocMin :
  profile === 'midday_hc_or_solar' ? middaySocMin :
  profile === 'evening_high_soc' ? eveningSocStartMin :
  socStartMin;
const profileSocHoldFloor =
  profile === 'morning_solar' ? Math.max(socStopMin, morningSocMin - 10) :
  profile === 'midday_hc_or_solar' ? Math.max(socStopMin, middaySocMin - 15) :
  profile === 'evening_high_soc' ? eveningSocStopMin :
  socStopMin;
const profileBatteryDischargeFloorA =
  profile === 'morning_solar' ? morningBatteryMaxDischargeA :
  profile === 'midday_hc_or_solar' ? middayBatteryMaxDischargeA :
  profile === 'evening_high_soc' ? eveningBatteryMaxDischargeA :
  batteryDischargeSoftA;
const solarStartOk =
  sourceMode === 'solar_only' || sourceMode === 'solar_potential' &&
  commonSafetyStartOk &&
  soc >= profileSocStartFloor &&
  batteryCurrentA >= profileBatteryDischargeFloorA &&
  (sourceMode === 'solar_potential' || pvPowerW >= effectivePvStartMinW);
const solarHoldOk =
  commonSafetyHoldOk &&
  soc >= profileSocHoldFloor &&
  batteryCurrentA >= profileBatteryDischargeFloorA &&
  (pvPowerW >= pvHoldMinW || cloudToleranceOk);
const gridStartOk =
  (sourceMode === 'grid_hc_allowed' || sourceMode === 'grid_forced') &&
  commonSafetyStartOk &&
  gridIsOn &&
  batteryCurrentA >= gridBatterySoftA;
const gridHoldOk =
  commonSafetyHoldOk &&
  (sourceMode === 'grid_hc_allowed' || sourceMode === 'grid_forced') &&
  gridIsOn &&
  batteryCurrentA >= gridBatteryHardA;
const probeStartOk =
  sourceMode === 'hybrid_probe' &&
  commonSafetyStartOk &&
  (morningProbeEligible || middayProbeEligible || afternoonProbeEligible);
const probeHoldGuardOk =
  commonSafetyHoldOk &&
  batteryCurrentA >= profileBatteryDischargeFloorA;
const probeWindowActive =
  sessionObservedActive &&
  probeStartedMs !== null &&
  minutesSinceProbeStart !== null &&
  minutesSinceProbeStart < probeMinutes;
const probeElapsedReached =
  sessionObservedActive &&
  probeStartedMs !== null &&
  minutesSinceProbeStart !== null &&
  minutesSinceProbeStart >= probeMinutes;
const probeSuccessNow =
  sessionObservedActive &&
  probeStartedMs !== null &&
  (
    pvPowerW >= pvHoldMinW &&
    batteryCurrentA >= Math.min(0, batteryDischargeSoftA)
  );
const probeFailedNow = probeElapsedReached && !probeSuccessNow;

// === STEP LOGIC ===
const stepUpByBatteryReserve =
  batteryPriorityMode &&
  batteryCurrentA >= batteryReserveUpA;
const stepUpByForecastMode =
  !batteryPriorityMode &&
  (pvPowerW >= pvHoldMinW || pvPowerAvg10mW >= pvHoldMinW) &&
  forecastBufferKwh >= -1 &&
  projectedEndSocAfterCharge >= (endDayGuardSoc - 5) &&
  cloudToleranceOk;
const solarShouldStepUp =
  currentCooldownElapsed &&
  currentReferenceA < physicalCapA &&
  physicalCapA >= currentMinA &&
  !vebusAcOutSoftReached &&
  !vebusDcVoltageSoftLow &&
  !houseLoadHighVsHeadroom &&
  (stepUpByBatteryReserve || stepUpByForecastMode || pvPowerW >= (effectivePvStartMinW + 400));
const gridShouldStepUp =
  currentCooldownElapsed &&
  currentReferenceA < physicalCapA &&
  physicalCapA >= currentMinA &&
  !vebusAcOutSoftReached &&
  !vebusDcVoltageSoftLow &&
  batteryCurrentA >= gridBatterySoftA &&
  !houseLoadHighVsHeadroom;
const solarShouldStepDownBattery =
  batteryCurrentA <= batteryDischargeSoftA &&
  currentCooldownElapsed &&
  currentReferenceA > currentMinA;
const solarShouldStepDownCloudDebt =
  !cloudToleranceOk &&
  currentCooldownElapsed &&
  currentReferenceA > currentMinA;
const gridShouldStepDownBattery =
  batteryCurrentA < gridBatterySoftA &&
  currentCooldownElapsed &&
  currentReferenceA > currentMinA;
const shouldStepDownVebusPower =
  vebusAcOutSoftReached &&
  currentCooldownElapsed &&
  currentReferenceA > currentMinA;
const shouldStepDownVebusVoltage =
  vebusDcVoltageSoftLow &&
  currentCooldownElapsed &&
  currentReferenceA > currentMinA;
const batteryCurrentHardExceeded = batteryCurrentA <= batteryDischargeHardA;

// === HARD STOPS ===
const mustStopHard =
  anyVebusOverload ||
  anyVebusLowBattery ||
  vebusDcVoltageHardLow ||
  vebusAcOutHardReached ||
  batteryCurrentHardExceeded;
const gridBatteryProtectionStop =
  sessionObservedActive &&
  sourceMode === 'grid_hc_allowed' &&
  batteryCurrentA < gridBatteryHardA;