fix(compat): preserve PHP 8.0 support without changing control guards

Replace trait constants and array_is_list usage with equivalent PHP 8.0 constructs. Add strict list/expiry regressions and make isolated reflection tests PHP 8.0 compatible. No control activation, threshold or configuration change.

libs/ManagerNetzfahrplanV4AktivtestTrait.php

@@ -12,8 +12,16 @@ require_once __DIR__ . '/NetzfahrplanV4Regeltest.php';
 /** Locally approved, time-boxed operation of validated V4 shadow plans on a test plant. */
 trait ManagerNetzfahrplanV4AktivtestTrait
 {
-    private const V4_AKTIVTEST_DAUER_SEKUNDEN = 172800;
-    private const V4_AKTIVTEST_WATCHDOG_VERZICHT = 'explicit_test_plant_watchdog_waiver';
+    // Trait constants require PHP 8.2; keep these fixed values compatible with PHP 8.0.
+    private static function v4AktivtestDauerSekunden(): int
+    {
+        return 172800;
+    }
+
+    private static function v4AktivtestWatchdogVerzicht(): string
+    {
+        return 'explicit_test_plant_watchdog_waiver';
+    }
 
     private function registriereV4ManagerAktivtest(): void
     {
@@ -78,12 +86,12 @@ trait ManagerNetzfahrplanV4AktivtestTrait
             $until = $this->ReadAttributeInteger('NetzfahrplanV4AktivtestEnde');
             if ($start === 0 && $until === 0) {
                 $start = $now;
-                $until = $now + self::V4_AKTIVTEST_DAUER_SEKUNDEN;
+                $until = $now + self::v4AktivtestDauerSekunden();
                 $this->WriteAttributeInteger('NetzfahrplanV4AktivtestBeginn', $start);
                 $this->WriteAttributeInteger('NetzfahrplanV4AktivtestEnde', $until);
             }
             if ($start <= 0 || $until <= $now
-                || $until - $start > self::V4_AKTIVTEST_DAUER_SEKUNDEN) {
+                || $until - $start > self::v4AktivtestDauerSekunden()) {
                 throw new RuntimeException('Die einmalige 48-Stunden-Aktivtestfreigabe ist abgelaufen.');
             }
 
@@ -103,7 +111,7 @@ trait ManagerNetzfahrplanV4AktivtestTrait
                 'maxChargeW' => $maxChargeW,
                 'maxDischargeW' => $maxDischargeW,
                 'watchdogWaived' => true,
-                'actuatorWatchdogEvidenceId' => self::V4_AKTIVTEST_WATCHDOG_VERZICHT,
+                'actuatorWatchdogEvidenceId' => self::v4AktivtestWatchdogVerzicht(),
                 'feedbackConfigHash' => $operation['localFeedback'][$asset['ID']]['configHash'] ?? '',
                 'gridLimits' => NetzfahrplanV4Planpruefung::kontext($operation)['limits'],
                 'sequence' => 1,
@@ -206,7 +214,7 @@ trait ManagerNetzfahrplanV4AktivtestTrait
             'maxChargeW' => $session['maxChargeW'],
             'maxDischargeW' => $session['maxDischargeW'],
             'accountingEvidenceId' => $quality['accountingEvidenceId'] ?? null,
-            'actuatorWatchdogEvidenceId' => self::V4_AKTIVTEST_WATCHDOG_VERZICHT,
+            'actuatorWatchdogEvidenceId' => self::v4AktivtestWatchdogVerzicht(),
             'acceptEstimatedPeak' => true,
             'controlContext' => $plan['controlContext'] ?? null,
         ];

libs/ManagerSDLTrait.php

@@ -128,7 +128,7 @@ trait ManagerSDLTrait
             );
         }
         $alt = json_decode(IPS_GetProperty($instanzID, 'Config'), true, 512, JSON_THROW_ON_ERROR);
-        if (!is_array($alt) || !array_is_list($alt)) {
+        if (!is_array($alt) || array_keys($alt) !== array_keys(array_values($alt))) {
             throw new RuntimeException('Die bestehende Energiefluss-Konfiguration ist keine Liste.');
         }
         $neu = [];

libs/NetzfahrplanV4Rueckmeldung.php

@@ -18,7 +18,7 @@ final class NetzfahrplanV4Rueckmeldung
 
     private static function ordered(array $v): array
     {
-        if (!array_is_list($v)) ksort($v, SORT_STRING);
+        if (array_keys($v) !== array_keys(array_values($v))) ksort($v, SORT_STRING);
         foreach ($v as &$x) if (is_array($x)) $x=self::ordered($x);
         unset($x);return $v;
     }
@@ -40,7 +40,7 @@ final class NetzfahrplanV4Rueckmeldung
         }
         $c['idleToleranceW']=self::number($c['idleToleranceW'],0,100);
         $c['trackingToleranceW']=self::number($c['trackingToleranceW'],0,500);
-        if (!is_array($c['sources']) || !array_is_list($c['sources']) || count($c['sources'])<2 || count($c['sources'])>40) throw new InvalidArgumentException('feedback_sources_invalid');
+        if (!is_array($c['sources']) || array_keys($c['sources']) !== array_keys(array_values($c['sources'])) || count($c['sources'])<2 || count($c['sources'])>40) throw new InvalidArgumentException('feedback_sources_invalid');
         $ids=[];$names=[];$roles=[];
         foreach ($c['sources'] as &$s) {
             $fields=['key','role','variableId','parentId','ident','factorToW'];