release aufiting

tests/Feature/Release/MigrationIntegrityTest.php

@@ -0,0 +1,28 @@
+<?php
+
+it('does not contain duplicate migration filenames', function (): void {
+    $files = array_merge(
+        glob(database_path('migrations/*.php')) ?: [],
+        glob(base_path('Modules/*/Database/Migrations/*.php')) ?: [],
+    );
+
+    $duplicates = collect($files)
+        ->groupBy(fn (string $file): string => basename($file))
+        ->filter(fn ($group): bool => $group->count() > 1)
+        ->keys()
+        ->values()
+        ->all();
+
+    expect($duplicates)->toBe([]);
+});
+
+it('uses unique migration class names', function (): void {
+    $files = array_merge(
+        glob(database_path('migrations/*.php')) ?: [],
+        glob(base_path('Modules/*/Database/Migrations/*.php')) ?: [],
+    );
+
+    foreach ($files as $file) {
+        expect((string) file_get_contents($file))->not->toContain('class CreateMigration');
+    }
+});