refactor: Übergangs-API der Gesamtsperre entfernt (assertWritable, writable, refusal, writeFeatures, released); DiviLocked verlangt die gesperrten Fähigkeiten, Tests bauen Zustände über ReleaseMatrices

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/Unit/Integrations/Divi/Release/CompatibilityMatrixTest.php

@@ -84,16 +84,6 @@ final class CompatibilityMatrixTest extends TestCase
         );
     }
 
-    public function testTheWriteFeaturesAreTheWritingCases(): void
-    {
-        self::assertSame(
-            array_values(array_filter(DiviFeature::cases(), static fn (DiviFeature $f): bool => $f->isWrite())),
-            CompatibilityMatrix::writeFeatures()
-        );
-        self::assertContains(DiviFeature::PageWrite, CompatibilityMatrix::writeFeatures());
-        self::assertNotContains(DiviFeature::PageRead, CompatibilityMatrix::writeFeatures());
-    }
-
     public function testToArrayListsEveryFeatureInCaseOrder(): void
     {
         $rows = self::matrix(['tb-write' => [ReleaseState::Incompatible, ['b']]])->toArray();