diff --git a/src/Integrations/Divi/Admin/DiviTab.php b/src/Integrations/Divi/Admin/DiviTab.php
index c785718..efe5536 100644
--- a/src/Integrations/Divi/Admin/DiviTab.php
+++ b/src/Integrations/Divi/Admin/DiviTab.php
@@ -160,7 +160,7 @@ final class DiviTab implements AdminTab
         }
 
         ($this->releases ?? new ReleaseStore())->add($version, Plugin::VERSION, get_current_user_id(), $report->id);
-        ReleaseGate::forget();
+        ReleaseGate::invalidate();
         $this->log?->record(
             'lit/divi-release',
             'divi',
@@ -183,7 +183,7 @@ final class DiviTab implements AdminTab
             return;
         }
 
-        ReleaseGate::forget();
+        ReleaseGate::invalidate();
         $this->log?->record(
             'lit/divi-release',
             'divi',
diff --git a/src/Integrations/Divi/Cli/DiviCheckCommand.php b/src/Integrations/Divi/Cli/DiviCheckCommand.php
index 6f0774a..405e296 100644
--- a/src/Integrations/Divi/Cli/DiviCheckCommand.php
+++ b/src/Integrations/Divi/Cli/DiviCheckCommand.php
@@ -15,7 +15,6 @@ use LIT\MCP\Integrations\Divi\Release\DiviEnvironment;
 use LIT\MCP\Integrations\Divi\Release\DiviReference;
 use LIT\MCP\Integrations\Divi\Release\LineDiff;
 use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
-use LIT\MCP\Integrations\Divi\Release\ReleaseResolver;
 use LIT\MCP\Integrations\Divi\Release\SourceFingerprint;
 use RuntimeException;
 
@@ -173,8 +172,7 @@ final class DiviCheckCommand
             return ($this->matrix)();
         }
 
-        delete_transient(ReleaseResolver::CACHE);
-        ReleaseGate::forget();
+        ReleaseGate::invalidate(mirrors: true);
 
         return ReleaseGate::status()->matrix;
     }
@@ -279,8 +277,7 @@ final class DiviCheckCommand
 
             return 1;
         }
-        delete_transient(ReleaseResolver::CACHE);
-        ReleaseGate::forget();
+        ReleaseGate::invalidate(mirrors: true);
         ($this->out)(sprintf(
             'Referenz aktualisiert (%d Fingerabdrücke, %d Signaturen). Smoke-Skripte laufen lassen, dann committen.',
             count($prints),
diff --git a/src/Integrations/Divi/DiviIntegration.php b/src/Integrations/Divi/DiviIntegration.php
index e80e35b..cea55e0 100644
--- a/src/Integrations/Divi/DiviIntegration.php
+++ b/src/Integrations/Divi/DiviIntegration.php
@@ -55,8 +55,8 @@ use LIT\MCP\Integrations\Divi\Pages\DiviWriter;
 use LIT\MCP\Integrations\Divi\Pages\DynamicContentMap;
 use LIT\MCP\Integrations\Divi\Release\CompatibilityCheck;
 use LIT\MCP\Integrations\Divi\Release\DiviCheckRoute;
-use LIT\MCP\Integrations\Divi\Release\ReleaseResolver;
 use LIT\MCP\Integrations\Divi\Release\FeatureOverview;
+use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
 use LIT\MCP\Integrations\Divi\Schema\DiviCatalogAbility;
 use LIT\MCP\Integrations\Divi\Schema\DiviModules;
 use LIT\MCP\Integrations\Divi\ThemeBuilder\DiviThemeBuilder;
@@ -212,7 +212,7 @@ final class DiviIntegration implements Integration, Bootable
     {
         // Spec §5.4: a theme update checks the Divi fingerprints again at once (the state key would, too).
         add_action('upgrader_process_complete', static function (): void {
-            delete_transient(ReleaseResolver::CACHE);
+            ReleaseGate::invalidate(mirrors: true);
         });
 
         // Spec §6: the admin check runs as a REST request (same context as MCP calls). Its short form has no
diff --git a/src/Integrations/Divi/Pages/DiviContentComposer.php b/src/Integrations/Divi/Pages/DiviContentComposer.php
index 13b7d67..b03868a 100644
--- a/src/Integrations/Divi/Pages/DiviContentComposer.php
+++ b/src/Integrations/Divi/Pages/DiviContentComposer.php
@@ -11,7 +11,7 @@ use LIT\MCP\Integrations\Divi\BlockTree\Outline;
 use LIT\MCP\Integrations\Divi\BlockTree\Serializer;
 use LIT\MCP\Integrations\Divi\Design\DesignSystemReader;
 use LIT\MCP\Integrations\Divi\Release\DiviFeature;
-use LIT\MCP\Integrations\Divi\Release\DiviFeatureGate;
+use LIT\MCP\Integrations\Divi\Release\ReleaseGate;
 use LIT\MCP\Integrations\Divi\Schema\DiviModules;
 use LIT\MCP\Integrations\WordPress\Content\ContentComposer;
 use LIT\MCP\Integrations\WordPress\Schema\ContentSchema;
@@ -81,7 +81,7 @@ final class DiviContentComposer implements ContentComposer
 
     public function refusal(): ?WP_Error
     {
-        return DiviFeatureGate::lockFor(self::FEATURES)?->toError();
+        return ReleaseGate::lockOf(self::FEATURES)?->toError();
     }
 
     public function check(string $postType, array $sections): ?WP_Error
diff --git a/src/Integrations/Divi/Release/CompatibilityMatrix.php b/src/Integrations/Divi/Release/CompatibilityMatrix.php
index 893a4a7..4641243 100644
--- a/src/Integrations/Divi/Release/CompatibilityMatrix.php
+++ b/src/Integrations/Divi/Release/CompatibilityMatrix.php
@@ -76,6 +76,27 @@ final class CompatibilityMatrix
         return true;
     }
 
+    /**
+     * The statuses of those of $features that are not usable – each once, in the order of $features. The one answer
+     * to "what locks this call" for the gate (DiviFeatureGate), the adapters (ReleaseGate::assertFeatures()) and the
+     * refusal (ReleaseStatus::refusalFor()).
+     *
+     * @param list<DiviFeature> $features
+     * @return list<FeatureStatus>
+     */
+    public function locked(array $features): array
+    {
+        $locked = [];
+        foreach ($features as $feature) {
+            $status = $this->of($feature);
+            if (! $status->usable()) {
+                $locked[$feature->value] = $status;
+            }
+        }
+
+        return array_values($locked);
+    }
+
     /** @return list<FeatureStatus> */
     public function unusable(): array
     {
diff --git a/src/Integrations/Divi/Release/DiviCheckRoute.php b/src/Integrations/Divi/Release/DiviCheckRoute.php
index 71433f7..17513ac 100644
--- a/src/Integrations/Divi/Release/DiviCheckRoute.php
+++ b/src/Integrations/Divi/Release/DiviCheckRoute.php
@@ -63,7 +63,7 @@ final class DiviCheckRoute
             try {
                 $report = ($this->check)()->run(get_current_user_id());
                 ($this->reports ?? new CheckReportStore())->save($report);
-                ReleaseGate::forget();
+                ReleaseGate::invalidate();
                 $notice = 'divi_checked';
             } catch (Throwable $e) {
                 Log::failure('divi check', $e);
diff --git a/src/Integrations/Divi/Release/DiviFeatureGate.php b/src/Integrations/Divi/Release/DiviFeatureGate.php
index fb7483a..6620a80 100644
--- a/src/Integrations/Divi/Release/DiviFeatureGate.php
+++ b/src/Integrations/Divi/Release/DiviFeatureGate.php
@@ -25,27 +25,9 @@ final class DiviFeatureGate implements AbilityGuard
     {
     }
 
-    /**
-     * The lock for the usable-ness of $features, or null when every one is usable. Public: the Divi short form of
-     * lit/content-create asks the same question for its own capabilities (DiviContentComposer::refusal()).
-     *
-     * @param list<DiviFeature> $features
-     */
-    public static function lockFor(array $features): ?DiviLocked
-    {
-        $unusable = [];
-        foreach ($features as $feature) {
-            if (! ReleaseGate::feature($feature)->usable()) {
-                $unusable[$feature->value] = $feature;
-            }
-        }
-
-        return $unusable === [] ? null : new DiviLocked(ReleaseGate::status(), array_values($unusable));
-    }
-
     public function refusal(Ability $ability, array $input): ?WP_Error
     {
-        $lock = self::lockFor(FeatureSets::declaredBy($ability, $input));
+        $lock = ReleaseGate::lockOf(FeatureSets::declaredBy($ability, $input));
         if ($lock === null) {
             return null;
         }
diff --git a/src/Integrations/Divi/Release/ReleaseGate.php b/src/Integrations/Divi/Release/ReleaseGate.php
index 715ec62..14a276b 100644
--- a/src/Integrations/Divi/Release/ReleaseGate.php
+++ b/src/Integrations/Divi/Release/ReleaseGate.php
@@ -51,15 +51,25 @@ final class ReleaseGate
         self::$probe = null;
     }
 
-    /** The next status() computes again (after a check, a release or a withdrawal). */
+    /** The next status() of this request computes again; the cached mirror results stay (see invalidate()). */
     public static function forget(): void
     {
         self::$status = null;
     }
 
-    public static function feature(DiviFeature $feature): FeatureStatus
+    /**
+     * The single way to make the release state current again: forgets the status of this request and, with
+     * $mirrors, also deletes the cached mirror results (transient ReleaseResolver::CACHE) so the next status()
+     * fingerprints Divi's code again. Without $mirrors: after a release or a withdrawal and after the admin check
+     * (only the source of the state changed). With $mirrors: after a theme update, a CLI check or a new reference
+     * (the code or the reference may have changed).
+     */
+    public static function invalidate(bool $mirrors = false): void
     {
-        return self::status()->matrix->of($feature);
+        if ($mirrors) {
+            delete_transient(ReleaseResolver::CACHE);
+        }
+        self::forget();
     }
 
     /** @throws DiviLocked When $feature is not usable – before anything is written. */
@@ -80,16 +90,28 @@ final class ReleaseGate
             return;
         }
 
+        $lock = self::lockOf($features);
+        if ($lock !== null) {
+            throw $lock;
+        }
+    }
+
+    /**
+     * The lock of this request's status for the locked ones of $features, or null when every one is usable. Asked by
+     * DiviFeatureGate before a tool runs and by the Divi short form of lit/content-create (DiviContentComposer::
+     * refusal()); no probe exception – tool calls never write the probe page.
+     *
+     * @param list<DiviFeature> $features
+     */
+    public static function lockOf(array $features): ?DiviLocked
+    {
         $status = self::status();
-        $locked = [];
-        foreach ($features as $feature) {
-            if (! $status->matrix->of($feature)->usable()) {
-                $locked[$feature->value] = $feature;
-            }
-        }
-        if ($locked !== []) {
-            throw new DiviLocked($status, array_values($locked));
-        }
+        $locked = $status->matrix->locked($features);
+
+        return $locked === [] ? null : new DiviLocked(
+            $status,
+            array_map(static fn (FeatureStatus $feature): DiviFeature => $feature->feature, $locked)
+        );
     }
 
     public static function whileProbing(int $postId, callable $write): mixed
diff --git a/src/Integrations/Divi/Release/ReleaseStatus.php b/src/Integrations/Divi/Release/ReleaseStatus.php
index 5186db1..86f0ebe 100644
--- a/src/Integrations/Divi/Release/ReleaseStatus.php
+++ b/src/Integrations/Divi/Release/ReleaseStatus.php
@@ -77,18 +77,11 @@ final class ReleaseStatus
      */
     public function refusalFor(array $features): WP_Error
     {
-        $locked = [];
-        foreach ($features as $feature) {
-            $status = $this->matrix->of($feature);
-            if (! $status->usable()) {
-                $locked[$feature->value] = $status;
-            }
-        }
+        $locked = $this->matrix->locked($features);
         if ($locked === []) {
             throw new LogicException('usable features refuse nothing');
         }
 
-        $locked = array_values($locked);
         $incompatible = array_values(array_filter(
             $locked,
             static fn (FeatureStatus $status): bool => $status->state === ReleaseState::Incompatible
diff --git a/tests/Unit/Integrations/Divi/Release/CompatibilityMatrixTest.php b/tests/Unit/Integrations/Divi/Release/CompatibilityMatrixTest.php
index 43508be..a622402 100644
--- a/tests/Unit/Integrations/Divi/Release/CompatibilityMatrixTest.php
+++ b/tests/Unit/Integrations/Divi/Release/CompatibilityMatrixTest.php
@@ -8,6 +8,7 @@ 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\Tests\Support\ReleaseMatrices;
 use PHPUnit\Framework\TestCase;
 
 final class CompatibilityMatrixTest extends TestCase
@@ -84,6 +85,29 @@ final class CompatibilityMatrixTest extends TestCase
         );
     }
 
+    public function testLockedNamesEveryUnusableFeatureOnceInTheGivenOrder(): void
+    {
+        $matrix = ReleaseMatrices::matrix(
+            [DiviFeature::LibraryWrite, DiviFeature::ThemeBuilderWrite, DiviFeature::Catalog],
+            ReleaseState::Incompatible
+        );
+
+        $locked = $matrix->locked([
+            DiviFeature::PageWrite,
+            DiviFeature::ThemeBuilderWrite,
+            DiviFeature::LibraryWrite,
+            DiviFeature::ThemeBuilderWrite,
+        ]);
+
+        self::assertSame(
+            [DiviFeature::ThemeBuilderWrite, DiviFeature::LibraryWrite],
+            array_map(static fn (FeatureStatus $status): DiviFeature => $status->feature, $locked)
+        );
+        self::assertSame(ReleaseState::Incompatible, $locked[0]->state);
+        self::assertSame([], $matrix->locked([DiviFeature::PageWrite, DiviFeature::PageRead]));
+        self::assertSame([], $matrix->locked([]));
+    }
+
     public function testToArrayListsEveryFeatureInCaseOrder(): void
     {
         $rows = self::matrix(['tb-write' => [ReleaseState::Incompatible, ['b']]])->toArray();
diff --git a/tests/Unit/Integrations/Divi/Release/DiviFeatureGateTest.php b/tests/Unit/Integrations/Divi/Release/DiviFeatureGateTest.php
index 8e66b36..676de7e 100644
--- a/tests/Unit/Integrations/Divi/Release/DiviFeatureGateTest.php
+++ b/tests/Unit/Integrations/Divi/Release/DiviFeatureGateTest.php
@@ -317,19 +317,6 @@ final class DiviFeatureGateTest extends TestCase
         );
     }
 
-    public function testLockForIsNullForUsableFeaturesAndNamesTheUnusableOnesOtherwise(): void
-    {
-        self::assertNull(DiviFeatureGate::lockFor([]));
-        self::assertNull(DiviFeatureGate::lockFor([DiviFeature::PageWrite]));
-
-        DiviFeatureFixtures::lock(DiviFeature::Catalog);
-        $lock = DiviFeatureGate::lockFor([DiviFeature::PageWrite, DiviFeature::Catalog, DiviFeature::Catalog]);
-
-        self::assertNotNull($lock);
-        self::assertSame([DiviFeature::Catalog], $lock->features);
-        self::assertSame('5.3.0', $lock->status->version);
-    }
-
     /**
      * The real tools of the three Divi groups: locking one capability refuses exactly the tools that declare it
      * (reading and writing alike) and no other.
diff --git a/tests/Unit/Integrations/Divi/Release/ReleaseGateTest.php b/tests/Unit/Integrations/Divi/Release/ReleaseGateTest.php
index 71e7b8c..fe5e79e 100644
--- a/tests/Unit/Integrations/Divi/Release/ReleaseGateTest.php
+++ b/tests/Unit/Integrations/Divi/Release/ReleaseGateTest.php
@@ -4,12 +4,15 @@ declare(strict_types=1);
 
 namespace LIT\MCP\Tests\Unit\Integrations\Divi\Release;
 
+use Brain\Monkey\Functions;
 use LIT\MCP\Abilities\WriteFailed;
 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\ReleaseResolver;
 use LIT\MCP\Integrations\Divi\Release\ReleaseState;
 use LIT\MCP\Integrations\Divi\Release\ReleaseStatus;
+use LIT\MCP\Tests\Support\DiviFeatureFixtures;
 use LIT\MCP\Tests\Support\ReleaseMatrices;
 use LIT\MCP\Tests\Unit\TestCase;
 use RuntimeException;
@@ -27,12 +30,17 @@ final class ReleaseGateTest extends TestCase
         ReleaseGate::assertFeatures(DiviFeature::cases(), 7);
     }
 
-    public function testFeatureReadsTheMatrixOfThisRequest(): void
+    public function testLockOfIsNullForUsableFeaturesAndNamesTheUnusableOnesOtherwise(): void
     {
-        ReleaseGate::useResolver(static fn (): ReleaseStatus => ReleaseMatrices::status([DiviFeature::Catalog]));
+        self::assertNull(ReleaseGate::lockOf([]));
+        self::assertNull(ReleaseGate::lockOf([DiviFeature::PageWrite]));
 
-        self::assertSame(ReleaseState::Untested, ReleaseGate::feature(DiviFeature::Catalog)->state);
-        self::assertTrue(ReleaseGate::feature(DiviFeature::PageRead)->usable());
+        DiviFeatureFixtures::lock(DiviFeature::Catalog);
+        $lock = ReleaseGate::lockOf([DiviFeature::PageWrite, DiviFeature::Catalog, DiviFeature::Catalog]);
+
+        self::assertNotNull($lock);
+        self::assertSame([DiviFeature::Catalog], $lock->features);
+        self::assertSame('5.3.0', $lock->status->version);
     }
 
     public function testAssertFeatureRefusesOnlyALockedFeature(): void
@@ -149,6 +157,33 @@ final class ReleaseGateTest extends TestCase
         self::assertSame(2, $calls);
     }
 
+    public function testInvalidateForgetsTheStatusAndClearsTheMirrorCacheOnlyWhenAsked(): void
+    {
+        $calls = 0;
+        $deleted = [];
+        ReleaseGate::useResolver(static function () use (&$calls): ReleaseStatus {
+            ++$calls;
+
+            return ReleaseMatrices::released('5.2.1');
+        });
+        Functions\when('delete_transient')->alias(static function (string $key) use (&$deleted): bool {
+            $deleted[] = $key;
+
+            return true;
+        });
+
+        ReleaseGate::status();
+        ReleaseGate::invalidate();
+        ReleaseGate::status();
+        self::assertSame(2, $calls);
+        self::assertSame([], $deleted, 'a release or withdrawal leaves the mirror results alone');
+
+        ReleaseGate::invalidate(mirrors: true);
+        ReleaseGate::status();
+        self::assertSame(3, $calls);
+        self::assertSame([ReleaseResolver::CACHE], $deleted);
+    }
+
     public function testAFailingResolverLocksWrites(): void
     {
         ReleaseGate::useResolver(static function (): never {