Split auth login accessibility contracts

tests/Architecture/AuthLoginFieldAccessibilityContractTest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace MintyPHP\Tests\Architecture;
+
+use PHPUnit\Framework\TestCase;
+
+final class AuthLoginFieldAccessibilityContractTest extends TestCase
+{
+    use ProjectFileAssertionSupport;
+
+    public function testAuthLoginFormsExposeErrorDescriptionForInputs(): void
+    {
+        $describedByPattern = '/aria-describedby="[^"]*\\$errorNoticeId[^"]*"/';
+
+        foreach (AuthLoginAccessibilityContractFiles::authLoginTemplates() as $file) {
+            $content = $this->readProjectFile($file);
+            $this->assertMatchesRegularExpression($describedByPattern, $content, $file);
+            $this->assertStringContainsString('aria-invalid="true"', $content, $file);
+        }
+    }
+}