Test enum implementing interface records the dependency

Add a test covering the foreach in handleEnumNode that records interface
dependencies for enums that implement interfaces (e.g. enum Suit implements Colorful).

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: fain182

tests/Unit/Analyzer/FileParser/CanParseEnumsTest.php

@@ -31,6 +31,33 @@ public function test_it_can_parse_enum(): void
         self::assertCount(1, $violations);
     }
 
+    /**
+     * @requires PHP 8.1
+     */
+    public function test_it_records_interface_dependency_for_enum_implementing_interface(): void
+    {
+        $code = <<< 'EOF'
+        <?php
+        namespace App\Foo;
+
+        interface Colorful {}
+
+        enum Suit: string implements Colorful
+        {
+            case Hearts = 'H';
+        }
+        EOF;
+
+        $fp = FileParserFactory::forPhpVersion(TargetPhpVersion::PHP_8_1);
+        $fp->parse($code, 'relativePathName');
+        $cd = $fp->getClassDescriptions();
+
+        $enum = $cd[1]; // cd[0] = Colorful interface, cd[1] = Suit enum
+        self::assertTrue($enum->isEnum());
+        self::assertCount(1, $enum->getDependencies());
+        self::assertEquals('App\Foo\Colorful', $enum->getDependencies()[0]->getFQCN()->toString());
+    }
+
     /**
      * @dataProvider provide_enums
      */