Make AugmentTags the last processor

src/Generator.php

@@ -275,10 +275,10 @@ public function getProcessorPipeline(): Pipeline
                 new Processors\MergeJsonContent(),
                 new Processors\MergeXmlContent(),
                 new Processors\OperationId(),
-                new Processors\AugmentTags(),
                 new Processors\CleanUnmerged(),
                 new Processors\PathFilter(),
                 new Processors\CleanUnusedComponents(),
+                new Processors\AugmentTags(),
             ]);
         }
 

tests/Fixtures/SurplusTag.php

@@ -0,0 +1,25 @@
+<?php declare(strict_types=1);
+
+/**
+ * @license Apache 2.0
+ */
+
+namespace OpenApi\Tests\Fixtures;
+
+use OpenApi\Attributes as OAT;
+
+#[OAT\OpenApi(
+    info: new OAT\Info(
+        title: 'test',
+        description: 'test',
+        version: '2.0.0'
+    ),
+)]
+class SurplusTag
+{
+    #[OAT\Get(path: '/world/', tags: ['tag world'], responses: [new OAT\Response(response: '200', description: 'success')])]
+    #[OAT\Get(path: '/hello/', tags: ['tag hello'], responses: [new OAT\Response(response: '200', description: 'success')])]
+    public function hello(): void
+    {
+    }
+}

tests/Processors/AugmentTagsTest.php

@@ -0,0 +1,28 @@
+<?php declare(strict_types=1);
+
+/**
+ * @license Apache 2.0
+ */
+
+namespace OpenApi\Tests\Processors;
+
+use OpenApi\Tests\OpenApiTestCase;
+
+class AugmentTagsTest extends OpenApiTestCase
+{
+    /**
+     * @requires PHP 8.1
+     */
+    public function testAugmentTags(): void
+    {
+        $this->skipLegacy();
+
+        $config = [
+            'pathFilter' => ['paths' => ['#^/hello/#']],
+            'cleanUnusedComponents' => ['enabled' => true],
+        ];
+        $analysis = $this->analysisFromFixtures(['SurplusTag.php'], static::processors(), null, $config);
+
+        $this->assertCount(1, $analysis->openapi->tags);
+    }
+}