feat: Divi-Adapter sperren je Fähigkeit – ReleaseGate::feature/assertFeature(s), DiviLocked und Ablehnung nennen die betroffenen Fähigkeiten (D6), DiviSaver prüft Seiten schreiben und die Fähigkeit des Speicherbereichs (D5), DesignArea::feature; Test-Standard alle Fähigkeiten freigegeben

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

tests/Unit/Integrations/Divi/Design/DesignChangeTest.php

@@ -11,12 +11,14 @@ use LIT\MCP\Integrations\Divi\Design\DesignPlan;
 use LIT\MCP\Integrations\Divi\Design\SnapshotStore;
 use LIT\MCP\Integrations\Divi\Design\SnapshotTooLarge;
 use LIT\MCP\Integrations\Divi\Library\UsageReport;
+use LIT\MCP\Integrations\Divi\Release\DiviFeature;
 use LIT\MCP\Integrations\Divi\Release\DiviLocked;
 use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
 use LIT\MCP\Integrations\Divi\Release\ReleaseState;
 use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
 use LIT\MCP\Abilities\WriteFailed;
 use LIT\MCP\Tests\Support\FakeChangeLog;
+use LIT\MCP\Tests\Support\ReleaseMatrices;
 use LIT\MCP\Tests\Unit\TestCase;
 use Brain\Monkey\Functions;
 use Mockery;
@@ -80,6 +82,11 @@ final class DesignChangeTest extends TestCase
                 return 'Presets';
             }
 
+            public function feature(): DiviFeature
+            {
+                return DiviFeature::PresetWrite;
+            }
+
             public function raw(): array
             {
                 return $this->stored;
@@ -383,6 +390,41 @@ final class DesignChangeTest extends TestCase
         );
     }
 
+    public function testTheLockFollowsTheFeatureOfTheArea(): void
+    {
+        $others = array_values(array_filter(
+            DiviFeature::cases(),
+            static fn (DiviFeature $feature): bool => $feature !== DiviFeature::PresetWrite
+        ));
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status($others));
+        $stored = ['v' => 1];
+        $area = self::area($stored);
+        $snapshots = Mockery::mock(SnapshotStore::class);
+        $snapshots->expects('save')->andReturn('s1');
+        $snapshots->expects('attachLog');
+
+        $written = (new DesignChange($snapshots, new FakeChangeLog(9)))->run(
+            'lit/divi-presets-set',
+            $area,
+            ['confirm' => true, 'design_rev' => $area->rev($stored)],
+            self::plan(['v' => 2])
+        );
+        self::assertTrue($written['ok'], 'every other feature locked: presets are still written');
+
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status([DiviFeature::PresetWrite]));
+        try {
+            (new DesignChange(Mockery::mock(SnapshotStore::class), FakeChangeLog::forbidden()))->run(
+                'lit/divi-presets-set',
+                $area,
+                ['confirm' => true, 'design_rev' => $area->rev($stored)],
+                self::plan(['v' => 3])
+            );
+            self::fail('preset-write locked must refuse');
+        } catch (DiviLocked $locked) {
+            self::assertSame([DiviFeature::PresetWrite], $locked->features);
+        }
+    }
+
     public function testTooLargeSnapshotRefusesTheChange(): void
     {
         $stored = ['v' => 1];

tests/Unit/Integrations/Divi/Design/PresetAreaTest.php

@@ -7,6 +7,7 @@ namespace LIT\MCP\Tests\Unit\Integrations\Divi\Design;
 use LIT\MCP\Integrations\Divi\Design\DesignSystemWriter;
 use LIT\MCP\Integrations\Divi\Design\PresetArea;
 use LIT\MCP\Integrations\Divi\Design\PresetBook;
+use LIT\MCP\Integrations\Divi\Release\DiviFeature;
 use LIT\MCP\Tests\Unit\TestCase;
 use Mockery;
 
@@ -23,6 +24,7 @@ final class PresetAreaTest extends TestCase
         $area = new PresetArea($writer);
 
         self::assertSame(['presets', 'Presets'], [$area->name(), $area->label()]);
+        self::assertSame(DiviFeature::PresetWrite, $area->feature());
         self::assertSame(PresetBook::fromDivi($stored)->data(), $area->raw());
         self::assertSame(PresetBook::fromDivi($stored)->rev(), $area->rev($stored));
         self::assertSame(PresetBook::fromDivi($stored)->data(), $area->write($stored, true));

tests/Unit/Integrations/Divi/Pages/SaveScopeTest.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Tests\Unit\Integrations\Divi\Pages;
 
 use LIT\MCP\Integrations\Divi\Pages\SaveScope;
+use LIT\MCP\Integrations\Divi\Release\DiviFeature;
 use PHPUnit\Framework\TestCase;
 
 final class SaveScopeTest extends TestCase
@@ -18,4 +19,16 @@ final class SaveScopeTest extends TestCase
         self::assertFalse(SaveScope::Page->clearsSiteCss());
         self::assertFalse(SaveScope::LibraryItem->setsFlags());
     }
+
+    /** D5: every save needs page-write, a library or Theme Builder save the feature of its area too. */
+    public function testFeaturesOfEachScope(): void
+    {
+        self::assertSame([DiviFeature::PageWrite], SaveScope::Page->features());
+        self::assertSame([DiviFeature::PageWrite, DiviFeature::LibraryWrite], SaveScope::LibraryItem->features());
+        self::assertSame([DiviFeature::PageWrite, DiviFeature::LibraryWrite], SaveScope::GlobalItem->features());
+        self::assertSame(
+            [DiviFeature::PageWrite, DiviFeature::ThemeBuilderWrite],
+            SaveScope::ThemeBuilderLayout->features()
+        );
+    }
 }

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

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
+
+use LIT\MCP\Abilities\ToolRefusal;
+use LIT\MCP\Integrations\Divi\Release\DiviFeature;
+use LIT\MCP\Integrations\Divi\Release\DiviLocked;
+use LIT\MCP\Integrations\Divi\Release\ReleaseState;
+use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
+use LIT\MCP\Tests\Support\ReleaseMatrices;
+use LIT\MCP\Tests\Unit\TestCase;
+
+final class DiviLockedTest extends TestCase
+{
+    public function testWithFeaturesTheErrorIsTheRefusalOfThoseFeatures(): void
+    {
+        $status = ReleaseMatrices::status([DiviFeature::PresetWrite], ReleaseState::Incompatible);
+        $locked = new DiviLocked($status, [DiviFeature::PresetWrite]);
+
+        self::assertInstanceOf(ToolRefusal::class, $locked);
+        self::assertSame('Divi 5.3.0 is incompatible for LIT MCP – preset-write refused', $locked->getMessage());
+        self::assertEquals($status->refusalFor([DiviFeature::PresetWrite]), $locked->toError());
+        $payload = self::assertToolError($locked->toError(), 'divi_incompatible');
+        self::assertSame(['preset-write'], array_column($payload['features'], 'id'));
+    }
+
+    public function testWithoutFeaturesTheErrorIsTheGeneralWriteLock(): void
+    {
+        $status = new ReleaseStatus(ReleaseState::Untested, '5.3.0');
+        $locked = new DiviLocked($status);
+
+        self::assertSame('Divi 5.3.0 is untested for LIT MCP – write refused', $locked->getMessage());
+        self::assertEquals($status->refusal(), $locked->toError());
+    }
+}

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

@@ -5,11 +5,13 @@ declare(strict_types=1);
 namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
 
 use LIT\MCP\Abilities\WriteFailed;
+use LIT\MCP\Integrations\Divi\Release\CompatibilityMatrix;
 use LIT\MCP\Integrations\Divi\Release\DiviFeature;
 use LIT\MCP\Integrations\Divi\Release\DiviLocked;
 use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
 use LIT\MCP\Integrations\Divi\Release\ReleaseState;
 use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
+use LIT\MCP\Tests\Support\ReleaseMatrices;
 use LIT\MCP\Tests\Unit\TestCase;
 use RuntimeException;
 
@@ -20,10 +22,78 @@ final class ReleaseGateTest extends TestCase
         ReleaseGate::useResolver(static fn (): ReleaseStatus => new ReleaseStatus(ReleaseState::Untested, '5.3.0'));
     }
 
-    public function testTheTestCaseDefaultIsReleased(): void
+    public function testTheTestCaseDefaultReleasesEveryFeature(): void
     {
         self::assertTrue(ReleaseGate::status()->writable());
+        self::assertSame([], ReleaseGate::status()->matrix->unusable());
         ReleaseGate::assertWritable(7);
+        ReleaseGate::assertFeatures(DiviFeature::cases());
+    }
+
+    public function testFeatureReadsTheMatrixOfThisRequest(): void
+    {
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status([DiviFeature::Catalog]));
+
+        self::assertSame(ReleaseState::Untested, ReleaseGate::feature(DiviFeature::Catalog)->state);
+        self::assertTrue(ReleaseGate::feature(DiviFeature::PageRead)->usable());
+    }
+
+    public function testAssertFeatureRefusesOnlyALockedFeature(): void
+    {
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status(
+            [DiviFeature::PresetWrite],
+            ReleaseState::Incompatible
+        ));
+        ReleaseGate::assertFeature(DiviFeature::PageWrite);
+
+        try {
+            ReleaseGate::assertFeature(DiviFeature::PresetWrite, 7);
+            self::fail('a locked feature must refuse');
+        } catch (DiviLocked $locked) {
+            self::assertSame([DiviFeature::PresetWrite], $locked->features);
+            self::assertToolError($locked->toError(), 'divi_incompatible');
+        }
+    }
+
+    public function testAssertFeaturesNamesEveryLockedFeatureOnce(): void
+    {
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status(
+            [DiviFeature::LibraryWrite, DiviFeature::ThemeBuilderWrite]
+        ));
+
+        try {
+            ReleaseGate::assertFeatures([
+                DiviFeature::PageWrite,
+                DiviFeature::ThemeBuilderWrite,
+                DiviFeature::LibraryWrite,
+                DiviFeature::ThemeBuilderWrite,
+            ]);
+            self::fail('locked features must refuse');
+        } catch (DiviLocked $locked) {
+            self::assertSame([DiviFeature::ThemeBuilderWrite, DiviFeature::LibraryWrite], $locked->features);
+        }
+    }
+
+    public function testAssertWritableNeedsEveryWritingFeature(): void
+    {
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status([DiviFeature::Catalog]));
+        ReleaseGate::assertWritable();
+
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status([DiviFeature::LibraryWrite]));
+        try {
+            ReleaseGate::assertWritable();
+            self::fail('a locked writing feature must refuse');
+        } catch (DiviLocked $locked) {
+            self::assertSame([DiviFeature::LibraryWrite], $locked->features);
+        }
+
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => new ReleaseStatus(ReleaseState::Untested, '5.3.0'));
+        try {
+            ReleaseGate::assertWritable();
+            self::fail('an untested Divi must lock writes');
+        } catch (DiviLocked $locked) {
+            self::assertSame(CompatibilityMatrix::writeFeatures(), $locked->features);
+        }
     }
 
     public function testAssertWritableThrowsTheLockWithTheStatus(): void
@@ -45,6 +115,7 @@ final class ReleaseGateTest extends TestCase
 
         $result = ReleaseGate::whileProbing(41, static function (): string {
             ReleaseGate::assertWritable(41);
+            ReleaseGate::assertFeatures(DiviFeature::cases(), 41);
 
             return 'written';
         });
@@ -52,6 +123,10 @@ final class ReleaseGateTest extends TestCase
 
         foreach ([static fn () => ReleaseGate::whileProbing(41, static fn () => ReleaseGate::assertWritable(42)),
             static fn () => ReleaseGate::whileProbing(41, static fn () => ReleaseGate::assertWritable()),
+            static fn () => ReleaseGate::whileProbing(41, static fn () => ReleaseGate::assertFeature(
+                DiviFeature::PageWrite,
+                42
+            )),
             static fn () => ReleaseGate::assertWritable(41)] as $attempt) {
             try {
                 $attempt();
@@ -118,7 +193,7 @@ final class ReleaseGateTest extends TestCase
         self::assertStringContainsString('theme API gone', (string) file_get_contents($log));
         unlink($log);
         $this->expectException(DiviLocked::class);
-        ReleaseGate::assertWritable();
+        ReleaseGate::assertFeature(DiviFeature::PageRead);
     }
 
     public function testFindsTheLockInsideAWrappedFailure(): void

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

@@ -5,10 +5,13 @@ declare(strict_types=1);
 namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
 
 use Brain\Monkey\Functions;
+use LIT\MCP\Integrations\Divi\Design\DesignSystemWriter;
 use LIT\MCP\Integrations\Divi\Library\DiviLibraryStore;
 use LIT\MCP\Integrations\Divi\Library\LibraryItemSpec;
 use LIT\MCP\Integrations\Divi\Pages\DiviPages;
 use LIT\MCP\Integrations\Divi\Pages\DiviSaver;
+use LIT\MCP\Integrations\Divi\Pages\SaveScope;
+use LIT\MCP\Integrations\Divi\Release\DiviFeature;
 use LIT\MCP\Integrations\Divi\Release\DiviLocked;
 use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
 use LIT\MCP\Integrations\Divi\Release\ReleaseState;
@@ -16,19 +19,26 @@ use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
 use LIT\MCP\Integrations\Divi\ThemeBuilder\DiviThemeBuilder;
 use LIT\MCP\Integrations\WordPress\Content\NewDraft;
 use LIT\MCP\Tests\Support\FakeChangeLog;
+use LIT\MCP\Tests\Support\ReleaseMatrices;
 use LIT\MCP\Tests\Unit\TestCase;
+use RuntimeException;
+use Throwable;
 use WP_Post;
 
-/** Spec §5.5: every writing adapter method refuses before its first write while Divi is not released. */
+/**
+ * Spec §5.5, D5: every writing adapter method refuses before its first write exactly when a feature it needs is
+ * locked – and passes the gate when only other features are locked. (DesignChange: DesignChangeTest.)
+ */
 final class ReleaseGuardsTest extends TestCase
 {
+    private const WRITES = ['wp_update_post', 'wp_insert_post', 'update_post_meta', 'add_post_meta', 'delete_post_meta',
+        'update_option', 'delete_option', 'wp_set_object_terms'];
+
     protected function setUp(): void
     {
         parent::setUp();
-        ReleaseGate::useResolver(static fn (): ReleaseStatus => new ReleaseStatus(ReleaseState::Untested, '5.3.0'));
-        // Nothing may be written: every write function WordPress offers fails the test.
-        foreach (['wp_update_post', 'wp_insert_post', 'update_post_meta', 'add_post_meta', 'delete_post_meta',
-            'update_option', 'delete_option', 'wp_set_object_terms'] as $write) {
+        // Nothing may be written while locked: every write function WordPress offers fails the test.
+        foreach (self::WRITES as $write) {
             Functions\when($write)->alias(static function () use ($write): never {
                 self::fail($write . ' ran although Divi is locked');
             });
@@ -36,41 +46,106 @@ final class ReleaseGuardsTest extends TestCase
         Functions\when('current_user_can')->justReturn(true);
     }
 
-    /** @return iterable<string, array{callable(): mixed}> */
+    /** @return iterable<string, array{callable(): mixed, list<DiviFeature>}> */
     public static function writes(): iterable
     {
         $post = new WP_Post(['ID' => 7, 'post_content' => '', 'post_type' => 'page']);
         $spec = new LibraryItemSpec('Hero', 'section', false, 'regular', null, 'page');
+        $page = [DiviFeature::PageWrite];
+        $tb = [DiviFeature::ThemeBuilderWrite];
 
-        yield 'save' => [static fn () => (new DiviSaver())->save($post, '<!-- wp:divi/section /-->')];
-        yield 'saveNew' => [static fn () => (new DiviSaver())->saveNew(7, '<!-- wp:divi/section /-->')];
+        yield 'save' => [static fn () => (new DiviSaver())->save($post, '<!-- wp:divi/section /-->'), $page];
+        yield 'save library item' => [
+            static fn () => (new DiviSaver())->save($post, 'x', SaveScope::LibraryItem),
+            [DiviFeature::PageWrite, DiviFeature::LibraryWrite],
+        ];
+        yield 'save global item' => [
+            static fn () => (new DiviSaver())->save($post, 'x', SaveScope::GlobalItem),
+            [DiviFeature::PageWrite, DiviFeature::LibraryWrite],
+        ];
+        yield 'save tb layout' => [
+            static fn () => (new DiviSaver())->save($post, 'x', SaveScope::ThemeBuilderLayout),
+            [DiviFeature::PageWrite, DiviFeature::ThemeBuilderWrite],
+        ];
+        yield 'saveNew' => [static fn () => (new DiviSaver())->saveNew(7, '<!-- wp:divi/section /-->'), $page];
+        yield 'saveNew library item' => [
+            static fn () => (new DiviSaver())->saveNew(7, 'x', SaveScope::LibraryItem),
+            [DiviFeature::PageWrite, DiviFeature::LibraryWrite],
+        ];
+        yield 'pages setFlags' => [static fn () => DiviPages::setFlags(7), $page];
         yield 'library create' => [static fn () => (new DiviLibraryStore())->create(
             $spec,
             new NewDraft(null, FakeChangeLog::forbidden(), 'lit/library-save', 'et_pb_layout', 'Bibliothekseintrag')
-        )];
-        yield 'tb insertLayout' => [static fn () => (new DiviThemeBuilder())->insertLayout('header', 'Kopf')];
+        ), [DiviFeature::LibraryWrite]];
+        yield 'tb liveId create' => [static fn () => (new DiviThemeBuilder())->liveId(true), $tb];
+        yield 'tb insertLayout' => [static fn () => (new DiviThemeBuilder())->insertLayout('header', 'Kopf'), $tb];
         yield 'tb storeTemplate' => [static fn () => (new DiviThemeBuilder())->storeTemplate(3, [
             'title' => 'V', 'layouts' => [], 'use_on' => [], 'exclude_from' => [],
-        ])];
-        yield 'tb attach' => [static fn () => (new DiviThemeBuilder())->attach(3, 9)];
-        yield 'tb detach' => [static fn () => (new DiviThemeBuilder())->detach(3, 9)];
-        yield 'tb setConditions' => [static fn () => (new DiviThemeBuilder())->setConditions(9, ['singular'], [])];
-        yield 'tb setEnabled' => [static fn () => (new DiviThemeBuilder())->setEnabled(9, true)];
-        yield 'tb unmarkUnused' => [static fn () => (new DiviThemeBuilder())->unmarkUnused(9)];
-        yield 'pages setFlags' => [static fn () => DiviPages::setFlags(7)];
-        yield 'tb liveId create' => [static fn () => (new DiviThemeBuilder())->liveId(true)];
+        ]), $tb];
+        yield 'tb attach' => [static fn () => (new DiviThemeBuilder())->attach(3, 9), $tb];
+        yield 'tb detach' => [static fn () => (new DiviThemeBuilder())->detach(3, 9), $tb];
+        yield 'tb setConditions' => [static fn () => (new DiviThemeBuilder())->setConditions(9, ['singular'], []), $tb];
+        yield 'tb setEnabled' => [static fn () => (new DiviThemeBuilder())->setEnabled(9, true), $tb];
+        yield 'tb unmarkUnused' => [static fn () => (new DiviThemeBuilder())->unmarkUnused(9), $tb];
+        yield 'design savePresets' => [
+            static fn () => (new DesignSystemWriter())->savePresets(['module' => [], 'group' => []], false),
+            [DiviFeature::PresetWrite],
+        ];
     }
 
-    /** @dataProvider writes */
-    public function testRefusesBeforeTheFirstWrite(callable $write): void
+    /**
+     * @dataProvider writes
+     * @param list<DiviFeature> $needs
+     */
+    public function testRefusesBeforeTheFirstWriteWhenAFeatureItNeedsIsLocked(callable $write, array $needs): void
     {
-        $this->expectException(DiviLocked::class);
+        foreach ([ReleaseState::Untested, ReleaseState::Incompatible] as $state) {
+            foreach ($needs as $feature) {
+                ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status([$feature], $state));
 
-        $write();
+                try {
+                    $write();
+                    self::fail(sprintf('%s %s must refuse', $feature->value, $state->value));
+                } catch (DiviLocked $locked) {
+                    self::assertSame([$feature], $locked->features);
+                }
+            }
+        }
+    }
+
+    /**
+     * @dataProvider writes
+     * @param list<DiviFeature> $needs
+     */
+    public function testPassesTheGateWhenOnlyOtherFeaturesAreLocked(callable $write, array $needs): void
+    {
+        $others = array_values(array_filter(
+            DiviFeature::cases(),
+            static fn (DiviFeature $feature): bool => ! in_array($feature, $needs, true)
+        ));
+        ReleaseGate::useResolver(
+            static fn (): ReleaseStatus => ReleaseMatrices::status($others, ReleaseState::Incompatible)
+        );
+        // Past the gate the method may write or fail on the missing Divi – anything but the lock.
+        foreach (self::WRITES as $name) {
+            Functions\when($name)->alias(static function () use ($name): never {
+                throw new RuntimeException($name . ' reached');
+            });
+        }
+
+        try {
+            $write();
+        } catch (DiviLocked $locked) {
+            self::fail('refused although only other features are locked: ' . $locked->getMessage());
+        } catch (Throwable) {
+            // Reached the code behind the gate.
+        }
+        self::addToAssertionCount(1);
     }
 
     public function testTheCheckPageMayBeWrittenWhileProbing(): void
     {
+        ReleaseGate::useResolver(static fn (): ReleaseStatus => new ReleaseStatus(ReleaseState::Untested, '5.3.0'));
         Functions\when('wp_update_post')->justReturn(41);
         Functions\when('update_post_meta')->justReturn(true);
         Functions\when('get_post_meta')->alias(

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

@@ -6,6 +6,7 @@ namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
 
 use LIT\MCP\Integrations\Divi\Release\CompatibilityMatrix;
 use LIT\MCP\Integrations\Divi\Release\DiviFeature;
+use LIT\MCP\Integrations\Divi\Release\FeatureStatus;
 use LIT\MCP\Integrations\Divi\Release\ReleaseState;
 use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
 use LIT\MCP\Tests\Support\ReleaseMatrices;
@@ -132,4 +133,78 @@ final class ReleaseStatusTest extends TestCase
 
         new ReleaseStatus(ReleaseState::Released, '5.2.1', 'code', [], null, CompatibilityMatrix::allIncompatible('x'));
     }
+
+    public function testRefusalForAnUntestedFeatureNamesItAndKeepsTheOthersWorking(): void
+    {
+        $error = ReleaseMatrices::status([DiviFeature::PageWrite])
+            ->refusalFor([DiviFeature::PageWrite, DiviFeature::PageRead]);
+        $payload = self::assertToolError($error, 'divi_untested');
+
+        self::assertSame(423, $error->get_error_data()['status']);
+
+        self::assertSame(
+            'Achtung: Divi 5.3.0 ist auf dieser Website für „Seiten schreiben“ noch nicht für LIT MCP freigegeben. '
+                . 'Das ist gesperrt, bis ein Administrator unter Einstellungen → LIT MCP → Divi die Prüfung ausführt '
+                . 'und die Version freigibt. Es wurde nichts geändert.',
+            $payload['message']
+        );
+        self::assertSame(
+            'Gesperrt: „Seiten schreiben“. Andere Divi-Werkzeuge funktionieren weiter, sofern ihre Fähigkeiten '
+                . 'freigegeben sind. Den Nutzer bitten, die Divi-Prüfung auszuführen und die Version freizugeben.',
+            $payload['hint']
+        );
+        self::assertSame(
+            [['id' => 'page-write', 'label' => 'Seiten schreiben', 'state' => 'untested', 'problems' => []]],
+            $payload['features']
+        );
+        self::assertArrayNotHasKey('problems', $payload);
+    }
+
+    public function testRefusalForTakesTheWorstStateAndListsEveryLockedFeature(): void
+    {
+        $matrix = ReleaseMatrices::matrix([DiviFeature::ThemeBuilderWrite], ReleaseState::Incompatible);
+        $features = [];
+        foreach (DiviFeature::cases() as $feature) {
+            $features[$feature->value] = $matrix->of($feature);
+        }
+        $features['library-write'] = new FeatureStatus(DiviFeature::LibraryWrite, ReleaseState::Untested);
+        $status = ReleaseStatus::of('5.99.0', new CompatibilityMatrix($features));
+
+        $payload = self::assertToolError(
+            $status->refusalFor([DiviFeature::PageWrite, DiviFeature::LibraryWrite, DiviFeature::ThemeBuilderWrite]),
+            'divi_incompatible'
+        );
+
+        self::assertSame(
+            'Divi 5.99.0 hat Stellen geändert, die LIT MCP für „Theme Builder schreiben“ nutzt. Das ist gesperrt, bis '
+                . 'LIT MCP aktualisiert wurde. Es wurde nichts geändert.',
+            $payload['message']
+        );
+        self::assertStringStartsWith(
+            'Gesperrt: „Bibliothek schreiben“ und „Theme Builder schreiben“. Andere Divi-Werkzeuge',
+            $payload['hint']
+        );
+        self::assertStringEndsWith('dass LIT MCP aktualisiert werden muss.', $payload['hint']);
+        self::assertSame(['library-write', 'tb-write'], array_column($payload['features'], 'id'));
+        self::assertSame(['untested', 'incompatible'], array_column($payload['features'], 'state'));
+        self::assertSame(['Seiten: et_x() – Signatur geändert'], $payload['problems']);
+    }
+
+    public function testRefusalForNamesThreeFeatures(): void
+    {
+        $locked = [DiviFeature::PageWrite, DiviFeature::LibraryWrite, DiviFeature::PresetWrite];
+        $payload = self::assertToolError(ReleaseMatrices::status($locked)->refusalFor($locked), 'divi_untested');
+
+        self::assertStringStartsWith(
+            'Gesperrt: „Seiten schreiben“, „Bibliothek schreiben“ und „Presets schreiben“.',
+            $payload['hint']
+        );
+    }
+
+    public function testUsableFeaturesHaveNoRefusal(): void
+    {
+        $this->expectException(LogicException::class);
+
+        ReleaseMatrices::status([DiviFeature::Catalog])->refusalFor([DiviFeature::PageWrite, DiviFeature::PageRead]);
+    }
 }

tests/Unit/TestCase.php

@@ -6,6 +6,7 @@ namespace LIT\MCP\Tests\Unit;
 
 use Brain\Monkey;
 use Brain\Monkey\Functions;
+use LIT\MCP\Integrations\Divi\Release\CompatibilityMatrix;
 use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
 use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
 use LIT\MCP\Tests\Support\AssertsToolErrors;
@@ -35,8 +36,10 @@ abstract class TestCase extends BaseTestCase
             'sanitize_text_field' => static fn ($value): string => trim(strip_tags((string) $value)),
         ]);
 
-        // Divi is released unless a test says otherwise (the release gate would ask WordPress and Divi).
-        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseStatus::released('5.2.1'));
+        // Every Divi feature is released unless a test says otherwise (the gate would ask WordPress and Divi).
+        ReleaseGate::useResolver(
+            static fn (): ReleaseStatus => ReleaseStatus::of('5.2.1', CompatibilityMatrix::allReleased())
+        );
     }
 
     protected function tearDown(): void