diff --git a/.gitignore b/.gitignore
index 9805767..ebc698b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@
 /rapor.html
 /.phpunit.result.cache
 /phpstan-baseline.neon
+/.phpunit.cache/
+
diff --git a/bin/a11y b/bin/a11y
index 4ce6734..112780e 100644
--- a/bin/a11y
+++ b/bin/a11y
@@ -11,17 +11,19 @@ if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
 }
 
 use Symfony\Component\Console\Application;
+use YakNet\AccessibilityConsole\Core\Container\ContainerFactory;
 use YakNet\AccessibilityConsole\Console\Command\ScanCommand;
 use YakNet\AccessibilityConsole\Console\Command\FixCommand;
 use YakNet\AccessibilityConsole\Console\Command\InitCommand;
 use YakNet\AccessibilityConsole\Console\Command\RulesCommand;
 
-$application = new Application('YakNet Accessibility Console', '3.0.1');
+$container = ContainerFactory::create();
+$application = new Application('YakNet Accessibility Console', '3.1.0');
 
-// Add commands
-$application->addCommand(new ScanCommand());
-$application->addCommand(new FixCommand());
-$application->addCommand(new InitCommand());
-$application->addCommand(new RulesCommand());
+// Add commands resolved via DI Container
+$application->add($container->get(ScanCommand::class));
+$application->add($container->get(FixCommand::class));
+$application->add($container->get(InitCommand::class));
+$application->add($container->get(RulesCommand::class));
 
 $application->run();
diff --git a/composer.json b/composer.json
index d5ae740..a5fb7e3 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "yaknet"
     ],
     "homepage": "https://forum.yak.net.tr",
-    "version": "3.0.5",
+    "version": "3.1.0",
     "type": "library",
     "license": "MIT",
     "authors": [
@@ -35,13 +35,20 @@
         "guzzlehttp/guzzle": "^7.8",
         "masterminds/html5": "^2.8",
         "sabberworm/php-css-parser": "^9.4",
-        "chrome-php/chrome": "^1.15"
+        "chrome-php/chrome": "^1.15",
+        "sebastian/diff": "^5.1",
+        "php-di/php-di": "^7.1",
+        "symfony/css-selector": "^8.1",
+        "symfony/dom-crawler": "^8.1"
     },
     "require-dev": {
         "phpunit/phpunit": "^10.5",
         "phpstan/phpstan": "^1.10"
     },
     "autoload": {
+        "files": [
+            "src/accessibility-console.php"
+        ],
         "psr-4": {
             "YakNet\\AccessibilityConsole\\": "src/"
         }
@@ -57,4 +64,3 @@
         }
     }
 }
-
diff --git a/demo/test_local_fix.html b/demo/test_local_fix.html
new file mode 100644
index 0000000..a18986d
--- /dev/null
+++ b/demo/test_local_fix.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Test Local Fix</title>
+</head>
+<body>
+    <span style="text-decoration: blink;">Hello blink</span>
+    <input type="text" name="username" autofocus />
+</body>
+</html>
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..a0d4146
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         cacheDirectory=".phpunit.cache"
+         executionOrder="depends,defects"
+         requireCoverageMetadata="false"
+         beStrictAboutCoverageMetadata="false"
+         beStrictAboutOutputDuringTests="true"
+         failOnRisky="true"
+         failOnWarning="true">
+    <testsuites>
+        <testsuite name="YakNet Accessibility Console Test Suite">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/src/AI/AiFixerManager.php b/src/AI/AiFixerManager.php
new file mode 100644
index 0000000..9b86d1a
--- /dev/null
+++ b/src/AI/AiFixerManager.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI;
+
+use YakNet\AccessibilityConsole\AI\Providers\GeminiProvider;
+use YakNet\AccessibilityConsole\AI\Providers\OpenAiProvider;
+use YakNet\AccessibilityConsole\AI\Providers\ClaudeProvider;
+use YakNet\AccessibilityConsole\AI\Providers\MockAiProvider;
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class AiFixerManager
+{
+    /** @var array<string, AiProviderInterface> */
+    private array $providers = [];
+    private ?string $activeProviderName = null;
+
+    public function __construct(?string $geminiApiKey = null, ?string $openAiApiKey = null, ?string $claudeApiKey = null)
+    {
+        // Register default providers
+        if ($geminiApiKey) {
+            $this->registerProvider('gemini', new GeminiProvider($geminiApiKey));
+            $this->activeProviderName = 'gemini';
+        }
+        if ($openAiApiKey) {
+            $this->registerProvider('openai', new OpenAiProvider($openAiApiKey));
+            if (!$this->activeProviderName) {
+                $this->activeProviderName = 'openai';
+            }
+        }
+        if ($claudeApiKey) {
+            $this->registerProvider('claude', new ClaudeProvider($claudeApiKey));
+            if (!$this->activeProviderName) {
+                $this->activeProviderName = 'claude';
+            }
+        }
+
+        // Always register mock provider as fallback/testing option
+        $this->registerProvider('mock', new MockAiProvider());
+        if (!$this->activeProviderName) {
+            $this->activeProviderName = 'mock';
+        }
+    }
+
+    public function registerProvider(string $name, AiProviderInterface $provider): void
+    {
+        $this->providers[strtolower($name)] = $provider;
+    }
+
+    public function setActiveProvider(string $name): void
+    {
+        $key = strtolower($name);
+        if (isset($this->providers[$key])) {
+            $this->activeProviderName = $key;
+        }
+    }
+
+    public function getActiveProvider(): ?AiProviderInterface
+    {
+        if ($this->activeProviderName && isset($this->providers[$this->activeProviderName])) {
+            return $this->providers[$this->activeProviderName];
+        }
+        return null;
+    }
+
+    public function suggestFix(Violation $violation): ?string
+    {
+        $provider = $this->getActiveProvider();
+        if ($provider) {
+            return $provider->suggestFix($violation);
+        }
+        return "No active AI provider configured.";
+    }
+}
diff --git a/src/AI/AiProviderInterface.php b/src/AI/AiProviderInterface.php
new file mode 100644
index 0000000..aaf1d0c
--- /dev/null
+++ b/src/AI/AiProviderInterface.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+
+interface AiProviderInterface
+{
+    /**
+     * Get the name of this AI provider.
+     *
+     * @return string
+     */
+    public function getName(): string;
+
+    /**
+     * Suggest a fix for the given violation.
+     *
+     * @param Violation $violation
+     * @return string|null
+     */
+    public function suggestFix(Violation $violation): ?string;
+}
diff --git a/src/AI/PromptBuilder.php b/src/AI/PromptBuilder.php
new file mode 100644
index 0000000..4770aa0
--- /dev/null
+++ b/src/AI/PromptBuilder.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class PromptBuilder
+{
+    public static function build(Violation $violation): string
+    {
+        return <<<PROMPT
+You are a WCAG 2.1 Accessibility expert. 
+A static analysis tool found an accessibility issue in this HTML snippet.
+
+Snippet: {$violation->htmlSnippet}
+Error Message: {$violation->message}
+Rule ID: {$violation->ruleId}
+Severity: {$violation->severity->value}
+Standard: {$violation->standard->value}
+
+Please provide a short explanation of the fix in Turkish and the fixed version of the HTML snippet.
+Use the following EXACT format:
+EXPLANATION: [A short explanation of what you fixed and why, in Turkish]
+FIX: [Only the corrected HTML snippet, no surrounding explanation]
+PROMPT;
+    }
+}
diff --git a/src/AI/Providers/ClaudeProvider.php b/src/AI/Providers/ClaudeProvider.php
new file mode 100644
index 0000000..b9a15e3
--- /dev/null
+++ b/src/AI/Providers/ClaudeProvider.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI\Providers;
+
+use GuzzleHttp\Client as GuzzleClient;
+use YakNet\AccessibilityConsole\AI\AiProviderInterface;
+use YakNet\AccessibilityConsole\AI\PromptBuilder;
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class ClaudeProvider implements AiProviderInterface
+{
+    private ?GuzzleClient $client = null;
+
+    public function __construct(private readonly ?string $apiKey)
+    {
+        if ($this->apiKey) {
+            $this->client = new GuzzleClient([
+                'base_uri' => 'https://api.anthropic.com/v1/',
+                'headers' => [
+                    'x-api-key' => $this->apiKey,
+                    'anthropic-version' => '2023-06-01',
+                    'Content-Type' => 'application/json',
+                ],
+                'timeout' => 10.0,
+            ]);
+        }
+    }
+
+    public function getName(): string
+    {
+        return 'Anthropic Claude';
+    }
+
+    public function suggestFix(Violation $violation): ?string
+    {
+        if (!$this->client) {
+            return null;
+        }
+
+        $prompt = PromptBuilder::build($violation);
+
+        try {
+            $response = $this->client->post('messages', [
+                'json' => [
+                    'model' => 'claude-3-5-haiku-20241022',
+                    'max_tokens' => 1000,
+                    'messages' => [
+                        ['role' => 'user', 'content' => $prompt]
+                    ],
+                ],
+            ]);
+
+            $data = json_decode($response->getBody()->getContents(), true);
+            if (is_array($data) && isset($data['content'][0]['text']) && is_string($data['content'][0]['text'])) {
+                return $data['content'][0]['text'];
+            }
+            return null;
+        } catch (\Throwable $e) {
+            return "Claude Error: " . $e->getMessage();
+        }
+    }
+}
diff --git a/src/AI/Providers/GeminiProvider.php b/src/AI/Providers/GeminiProvider.php
new file mode 100644
index 0000000..0520e5e
--- /dev/null
+++ b/src/AI/Providers/GeminiProvider.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI\Providers;
+
+use Gemini;
+use YakNet\AccessibilityConsole\AI\AiProviderInterface;
+use YakNet\AccessibilityConsole\AI\PromptBuilder;
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class GeminiProvider implements AiProviderInterface
+{
+    private ?\Gemini\Client $client = null;
+
+    public function __construct(private readonly ?string $apiKey)
+    {
+        if ($this->apiKey) {
+            try {
+                $this->client = \Gemini::client($this->apiKey);
+            } catch (\Throwable) {
+                $this->client = null;
+            }
+        }
+    }
+
+    public function getName(): string
+    {
+        return 'Google Gemini';
+    }
+
+    public function suggestFix(Violation $violation): ?string
+    {
+        if (!$this->apiKey || !$this->client) {
+            return null;
+        }
+
+        $prompt = PromptBuilder::build($violation);
+
+        try {
+            $result = $this->client->generativeModel('gemini-3.1-flash-lite')->generateContent($prompt);
+            return trim($result->text());
+        } catch (\Throwable $e) {
+            return "Gemini Error: " . $e->getMessage();
+        }
+    }
+}
diff --git a/src/AI/Providers/MockAiProvider.php b/src/AI/Providers/MockAiProvider.php
new file mode 100644
index 0000000..700d956
--- /dev/null
+++ b/src/AI/Providers/MockAiProvider.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI\Providers;
+
+use YakNet\AccessibilityConsole\AI\AiProviderInterface;
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class MockAiProvider implements AiProviderInterface
+{
+    public function getName(): string
+    {
+        return 'Mock AI';
+    }
+
+    public function suggestFix(Violation $violation): ?string
+    {
+        $snippet = $violation->htmlSnippet;
+        $fixedSnippet = $snippet;
+        
+        // Simple mock fixes based on rule ID
+        if ($violation->ruleId === 'WCAG_2_2_2_BLINK') {
+            $fixedSnippet = str_replace(['<blink>', '</blink>'], ['<span>', '</span>'], $snippet);
+        } elseif ($violation->ruleId === 'WCAG_1_3_1_DUPLICATE_H1') {
+            $fixedSnippet = str_replace(['<h1>', '</h1>'], ['<h2>', '</h2>'], $snippet);
+        } elseif ($violation->ruleId === 'WCAG_1_3_5_AUTOCOMPLETE') {
+            $fixedSnippet = str_replace('<input', '<input autocomplete="email"', $snippet);
+        } elseif ($violation->ruleId === 'WCAG_2_1_1_SCROLLABLE_FOCUS') {
+            $fixedSnippet = str_replace('<div', '<div tabindex="0"', $snippet);
+        } elseif ($violation->ruleId === 'WCAG_4_1_2_ARIA_LABELLEDBY') {
+            $fixedSnippet = str_replace('aria-labelledby="non_existent_label"', 'aria-labelledby="real_label"', $snippet);
+        } elseif ($violation->ruleId === 'WCAG_1_1_1_ALT_PLACEHOLDER') {
+            if (str_contains($snippet, 'alt="logo"')) {
+                $fixedSnippet = str_replace('alt="logo"', 'alt="YakNet Accessibility Console Company Logo"', $snippet);
+            } else {
+                $fixedSnippet = str_replace('alt="header_banner.jpg"', 'alt="YakNet Accessibility Console Marketing Banner"', $snippet);
+            }
+        } elseif ($violation->ruleId === 'WCAG_1_1_1_SVG') {
+            $fixedSnippet = str_replace('<svg', '<svg aria-hidden="true"', $snippet);
+        } elseif ($violation->ruleId === 'WCAG_1_3_1_TABLE_SUMMARY') {
+            $fixedSnippet = preg_replace('/summary=".*?"/i', '', $snippet) ?: $snippet;
+        } elseif ($violation->ruleId === 'WCAG_1_3_1_PRESENTATION_TAGS') {
+            $fixedSnippet = str_replace(['<center>', '</center>', '<strike>', '</strike>'], ['<span style="text-align: center; display: block;">', '</span>', '<span style="text-decoration: line-through;">', '</span>'], $snippet);
+        } elseif ($violation->ruleId === 'WCAG_2_4_3_AUTOFOCUS') {
+            $fixedSnippet = str_replace(' autofocus', '', $snippet);
+        }
+        
+        return "EXPLANATION: Mocked correction for accessibility validation.\nFIX: " . $fixedSnippet;
+    }
+}
diff --git a/src/AI/Providers/OpenAiProvider.php b/src/AI/Providers/OpenAiProvider.php
new file mode 100644
index 0000000..ecb749b
--- /dev/null
+++ b/src/AI/Providers/OpenAiProvider.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\AI\Providers;
+
+use GuzzleHttp\Client as GuzzleClient;
+use YakNet\AccessibilityConsole\AI\AiProviderInterface;
+use YakNet\AccessibilityConsole\AI\PromptBuilder;
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class OpenAiProvider implements AiProviderInterface
+{
+    private ?GuzzleClient $client = null;
+
+    public function __construct(private readonly ?string $apiKey)
+    {
+        if ($this->apiKey) {
+            $this->client = new GuzzleClient([
+                'base_uri' => 'https://api.openai.com/v1/',
+                'headers' => [
+                    'Authorization' => 'Bearer ' . $this->apiKey,
+                    'Content-Type' => 'application/json',
+                ],
+                'timeout' => 10.0,
+            ]);
+        }
+    }
+
+    public function getName(): string
+    {
+        return 'OpenAI GPT';
+    }
+
+    public function suggestFix(Violation $violation): ?string
+    {
+        if (!$this->client) {
+            return null;
+        }
+
+        $prompt = PromptBuilder::build($violation);
+
+        try {
+            $response = $this->client->post('chat/completions', [
+                'json' => [
+                    'model' => 'gpt-4o-mini',
+                    'messages' => [
+                        ['role' => 'user', 'content' => $prompt]
+                    ],
+                    'temperature' => 0.2,
+                ],
+            ]);
+
+            $data = json_decode($response->getBody()->getContents(), true);
+            if (is_array($data) && isset($data['choices'][0]['message']['content']) && is_string($data['choices'][0]['message']['content'])) {
+                return $data['choices'][0]['message']['content'];
+            }
+            return null;
+        } catch (\Throwable $e) {
+            return "OpenAI Error: " . $e->getMessage();
+        }
+    }
+}
diff --git a/src/Console/Command/FixCommand.php b/src/Console/Command/FixCommand.php
index 7303713..46e685e 100644
--- a/src/Console/Command/FixCommand.php
+++ b/src/Console/Command/FixCommand.php
@@ -8,7 +8,7 @@ use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
-use YakNet\AccessibilityConsole\AI\GeminiFixer;
+use YakNet\AccessibilityConsole\AI\AiFixerManager;
 use YakNet\AccessibilityConsole\Core\Analyser;
 use YakNet\AccessibilityConsole\Core\Config;
 use YakNet\AccessibilityConsole\Core\Scanner;
@@ -89,7 +89,8 @@ class FixCommand extends Command
 
         $io->note(sprintf("Found %d violations. Starting AI analysis and healing...", count($violations)));
 
-        $fixer = new GeminiFixer($apiKey);
+        $fixer = new AiFixerManager($apiKey);
+        $diffGenerator = new \YakNet\AccessibilityConsole\Core\Diff\VisualDiffGenerator();
         $fixedCount = 0;
 
         // Group violations by file path
@@ -116,27 +117,49 @@ class FixCommand extends Command
                 continue;
             }
 
+            $localHealer = new \YakNet\AccessibilityConsole\Core\SelfHealing\LocalHealer();
+
             foreach ($fileViolations as $violation) {
                 $line = $violation->location['line'] ?? 0;
                 $io->write("Analyzing <fg=yellow>{$violation->ruleId}</> on line <fg=cyan>$line</>... ");
 
-                // Get AI Suggestion
-                $rawSuggestion = $fixer->suggestFix($violation);
+                // Try Local Healer first
+                $rawSuggestion = $localHealer->heal($violation);
+                $isLocalFix = false;
+
+                if ($rawSuggestion !== null) {
+                    $isLocalFix = true;
+                } else {
+                    // Fallback to AI Suggestion
+                    $rawSuggestion = $fixer->suggestFix($violation);
+                }
+
                 $suggestion = $rawSuggestion;
-                if ($rawSuggestion && str_contains($rawSuggestion, 'FIX:')) {
+                if (is_string($rawSuggestion) && str_contains($rawSuggestion, 'FIX:')) {
                     preg_match('/FIX:(.*)/s', $rawSuggestion, $matches);
                     $suggestion = trim($matches[1] ?? $rawSuggestion);
                     $suggestion = preg_replace('/^```html\s*|\s*```$/i', '', $suggestion);
                 }
 
-                if (!$suggestion || ($suggestion === $rawSuggestion && str_contains($suggestion, 'EXPLANATION:'))) {
+                if (!is_string($suggestion)) {
                     $io->writeln("<fg=red>Skipped (AI could not generate a clean fix)</>");
                     continue;
                 }
 
-                $io->writeln("<fg=green>Fix Found!</>");
-                $io->writeln("  <fg=gray>Original:</> <fg=red>" . htmlspecialchars(trim($violation->htmlSnippet)) . "</>");
-                $io->writeln("  <fg=gray>AI Fix:  </> <fg=green>" . htmlspecialchars(trim($suggestion)) . "</>");
+                if (is_string($rawSuggestion) && $suggestion === $rawSuggestion && str_contains($suggestion, 'EXPLANATION:')) {
+                    $io->writeln("<fg=red>Skipped (AI could not generate a clean fix)</>");
+                    continue;
+                }
+
+                if ($isLocalFix) {
+                    $io->writeln("<fg=green>Local Fix Found!</>");
+                } else {
+                    $io->writeln("<fg=green>AI Fix Found!</>");
+                }
+                $io->writeln("  <fg=gray>Diff:</>");
+                $diffOutput = $diffGenerator->generate($violation->htmlSnippet, $suggestion);
+                $indentedDiff = implode("\n", array_map(fn($line) => '    ' . $line, explode("\n", trim($diffOutput))));
+                $io->writeln($indentedDiff);
 
                 if ($dryRun) {
                     $io->writeln("  <fg=blue>[DRY RUN] File modification skipped.</>");
@@ -210,7 +233,8 @@ class FixCommand extends Command
 
         $io->note("Found " . count($violations) . " violations. Starting AI analysis...");
 
-        $fixer = new GeminiFixer($apiKey);
+        $fixer = new AiFixerManager($apiKey);
+        $diffGenerator = new \YakNet\AccessibilityConsole\Core\Diff\VisualDiffGenerator();
         $locator = new SourceLocator($projectPath);
         $fixedCount = 0;
 
@@ -224,23 +248,42 @@ class FixCommand extends Command
                 continue;
             }
 
-            // Get AI Suggestion
-            $rawSuggestion = $fixer->suggestFix($violation);
+            $localHealer = new \YakNet\AccessibilityConsole\Core\SelfHealing\LocalHealer();
+            $rawSuggestion = $localHealer->heal($violation);
+            $isLocalFix = false;
+
+            if ($rawSuggestion !== null) {
+                $isLocalFix = true;
+            } else {
+                $rawSuggestion = $fixer->suggestFix($violation);
+            }
+
             $suggestion = $rawSuggestion;
-            if ($rawSuggestion && str_contains($rawSuggestion, 'FIX:')) {
+            if (is_string($rawSuggestion) && str_contains($rawSuggestion, 'FIX:')) {
                 preg_match('/FIX:(.*)/s', $rawSuggestion, $matches);
                 $suggestion = trim($matches[1] ?? $rawSuggestion);
                 $suggestion = preg_replace('/^```html\s*|\s*```$/i', '', $suggestion);
             }
 
-            if (!$suggestion || ($suggestion === $rawSuggestion && str_contains($suggestion, 'EXPLANATION:'))) {
+            if (!is_string($suggestion)) {
                 $io->writeln("<fg=red>Skipped (AI could not generate a clean fix)</>");
                 continue;
             }
 
-            $io->writeln("<fg=green>Fix Found!</>");
-            $io->writeln("  <fg=gray>Original:</> <fg=red>" . htmlspecialchars(trim($violation->htmlSnippet)) . "</>");
-            $io->writeln("  <fg=gray>AI Fix:  </> <fg=green>" . htmlspecialchars(trim($suggestion)) . "</>");
+            if (is_string($rawSuggestion) && $suggestion === $rawSuggestion && str_contains($suggestion, 'EXPLANATION:')) {
+                $io->writeln("<fg=red>Skipped (AI could not generate a clean fix)</>");
+                continue;
+            }
+
+            if ($isLocalFix) {
+                $io->writeln("<fg=green>Local Fix Found!</>");
+            } else {
+                $io->writeln("<fg=green>AI Fix Found!</>");
+            }
+            $io->writeln("  <fg=gray>Diff:</>");
+            $diffOutput = $diffGenerator->generate($violation->htmlSnippet, $suggestion);
+            $indentedDiff = implode("\n", array_map(fn($line) => '    ' . $line, explode("\n", trim($diffOutput))));
+            $io->writeln($indentedDiff);
 
             if ($dryRun) {
                 $io->writeln("  <fg=blue>[DRY RUN] File modification skipped.</>");
diff --git a/src/Console/Command/ScanCommand.php b/src/Console/Command/ScanCommand.php
index 51656ba..2c9e2d9 100644
--- a/src/Console/Command/ScanCommand.php
+++ b/src/Console/Command/ScanCommand.php
@@ -18,6 +18,10 @@ use YakNet\AccessibilityConsole\Rules\RuleLevels;
 use YakNet\AccessibilityConsole\Reporting\ConsoleFormatter;
 use YakNet\AccessibilityConsole\Reporting\GithubFormatter;
 use YakNet\AccessibilityConsole\Reporting\JsonFormatter;
+use YakNet\AccessibilityConsole\Reporting\XmlFormatter;
+use YakNet\AccessibilityConsole\Reporting\MarkdownFormatter;
+use YakNet\AccessibilityConsole\Reporting\CsvFormatter;
+use YakNet\AccessibilityConsole\Reporting\GitLabCodeQualityFormatter;
 use YakNet\AccessibilityConsole\Source\SourceLocator;
 
 class ScanCommand extends Command
@@ -202,10 +206,29 @@ class ScanCommand extends Command
             $formatter = new JsonFormatter();
         } elseif ($format === 'github') {
             $formatter = new GithubFormatter();
+        } elseif ($format === 'xml') {
+            $formatter = new XmlFormatter();
+        } elseif ($format === 'markdown') {
+            $formatter = new MarkdownFormatter();
+        } elseif ($format === 'csv') {
+            $formatter = new CsvFormatter();
+        } elseif ($format === 'gitlab') {
+            $formatter = new GitLabCodeQualityFormatter();
         }
 
         $exitCode = $formatter->format($violations, $baselinedCount, $io);
 
+        if ($format === 'console') {
+            $metrics = \YakNet\AccessibilityConsole\Core\Metrics\AccessibilityScoreCalculator::calculate($violations);
+            $io->section("Accessibility Ratings");
+            $color = $metrics['score'] >= 90 ? 'green' : ($metrics['score'] >= 70 ? 'yellow' : 'red');
+            $io->writeln(sprintf("Health Score: <fg=%s>%d/100</>", $color, $metrics['score']));
+            $io->writeln(sprintf(" - Screen Reader / Visual Impact: <fg=cyan>%d%%</>", $metrics['visualImpact']));
+            $io->writeln(sprintf(" - Keyboard / Motor Impact: <fg=cyan>%d%%</>", $metrics['motorImpact']));
+            $io->writeln(sprintf(" - Cognitive / Distraction Impact: <fg=cyan>%d%%</>", $metrics['cognitiveImpact']));
+            $io->newLine();
+        }
+
         // Export report if --report is specified
         $reportPath = $input->getOption('report');
         if (is_string($reportPath) && $reportPath !== '') {
diff --git a/src/Core/Baseline/FuzzyBaselineMatcher.php b/src/Core/Baseline/FuzzyBaselineMatcher.php
new file mode 100644
index 0000000..2e1ce12
--- /dev/null
+++ b/src/Core/Baseline/FuzzyBaselineMatcher.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Core\Baseline;
+
+class FuzzyBaselineMatcher
+{
+    /**
+     * Determine if two HTML snippets are fuzzy matched.
+     *
+     * @param string $snippetA
+     * @param string $snippetB
+     * @return bool
+     */
+    public static function match(string $snippetA, string $snippetB): bool
+    {
+        $normA = self::normalize($snippetA);
+        $normB = self::normalize($snippetB);
+
+        if ($normA === '' || $normB === '') {
+            return false;
+        }
+
+        return $normA === $normB;
+    }
+
+    /**
+     * Normalize HTML snippet by stripping formatting, converting to lowercase,
+     * and sorting attributes.
+     *
+     * @param string $html
+     * @return string
+     */
+    public static function normalize(string $html): string
+    {
+        $html = trim($html);
+        if ($html === '') {
+            return '';
+        }
+
+        // Parse using simple regex to sort attributes and lowercase tag
+        if (preg_match('/^<([a-zA-Z0-9:-]+)(.*?)>$/s', $html, $matches)) {
+            $tag = strtolower($matches[1]);
+            $attrsContent = $matches[2];
+
+            // Parse attributes
+            preg_match_all('/([a-zA-Z0-9:-]+)=["\'](.*?)["\']/s', $attrsContent, $attrMatches, PREG_SET_ORDER);
+            
+            $attrs = [];
+            foreach ($attrMatches as $match) {
+                $attrs[strtolower($match[1])] = trim($match[2]);
+            }
+            ksort($attrs);
+
+            $attrStr = '';
+            foreach ($attrs as $name => $value) {
+                $attrStr .= sprintf(' %s="%s"', $name, $value);
+            }
+
+            return sprintf('<%s%s>', $tag, $attrStr);
+        }
+
+        // Fallback: Strip all whitespace and lowercase
+        $cleaned = preg_replace('/\s+/', '', $html) ?: '';
+        return strtolower($cleaned);
+    }
+}
diff --git a/src/Core/BaselineManager.php b/src/Core/BaselineManager.php
index 2bd9590..7bc0a25 100644
--- a/src/Core/BaselineManager.php
+++ b/src/Core/BaselineManager.php
@@ -82,9 +82,9 @@ class BaselineManager
 
     private function calculateKey(string $file, string $ruleId, string $htmlSnippet): string
     {
-        // Normalize whitespaces and trim to prevent minor formatting updates from breaking baseline
-        $normalizedSnippet = preg_replace('/\s+/', ' ', trim($htmlSnippet));
-        if ($normalizedSnippet === null) {
+        // Normalize snippet using fuzzy baseline matcher
+        $normalizedSnippet = \YakNet\AccessibilityConsole\Core\Baseline\FuzzyBaselineMatcher::normalize($htmlSnippet);
+        if ($normalizedSnippet === '') {
             $normalizedSnippet = trim($htmlSnippet);
         }
 
diff --git a/src/Core/Config/SmartPresetBuilder.php b/src/Core/Config/SmartPresetBuilder.php
new file mode 100644
index 0000000..f333ac0
--- /dev/null
+++ b/src/Core/Config/SmartPresetBuilder.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Core\Config;
+
+class SmartPresetBuilder
+{
+    /**
+     * Analyze HTML content features to suggest rules presets.
+     *
+     * @param string $html
+     * @return array{suggestedLevel: int, tagsCheckedCount: array<string, int>, recommendedExclusions: string[]}
+     */
+    public function analyze(string $html): array
+    {
+        $tagsChecked = ['img' => 0, 'form' => 0, 'table' => 0, 'svg' => 0, 'video' => 0];
+
+        foreach (array_keys($tagsChecked) as $tag) {
+            $tagsChecked[$tag] = substr_count(strtolower($html), '<' . $tag);
+        }
+
+        // Calculate recommendations
+        $suggestedLevel = 3; // Standard baseline
+        if ($tagsChecked['form'] > 5 || $tagsChecked['table'] > 3) {
+            $suggestedLevel = 4; // Higher complexity requires more strict tests
+        }
+        if ($tagsChecked['video'] > 0) {
+            $suggestedLevel = 5; // Video elements need caption checks, standard level 5
+        }
+
+        $exclusions = [];
+        if ($tagsChecked['svg'] === 0) {
+            $exclusions[] = 'WCAG_1_1_1_SVG';
+        }
+        if ($tagsChecked['video'] === 0) {
+            $exclusions[] = 'WCAG_1_2_2_VIDEO_TRACK';
+        }
+
+        return [
+            'suggestedLevel' => $suggestedLevel,
+            'tagsCheckedCount' => $tagsChecked,
+            'recommendedExclusions' => $exclusions,
+        ];
+    }
+}
diff --git a/src/Core/Container/ContainerFactory.php b/src/Core/Container/ContainerFactory.php
new file mode 100644
index 0000000..21f10fa
--- /dev/null
+++ b/src/Core/Container/ContainerFactory.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Core\Container;
+
+use DI\ContainerBuilder;
+use Psr\Container\ContainerInterface;
+use YakNet\AccessibilityConsole\Core\Config;
+use YakNet\AccessibilityConsole\Core\Analyser;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Console\Command\ScanCommand;
+use YakNet\AccessibilityConsole\Console\Command\FixCommand;
+use YakNet\AccessibilityConsole\Console\Command\InitCommand;
+use YakNet\AccessibilityConsole\Console\Command\RulesCommand;
+
+class ContainerFactory
+{
+    /**
+     * Create and configure the PHP-DI container.
+     *
+     * @return ContainerInterface
+     */
+    public static function create(): ContainerInterface
+    {
+        $builder = new ContainerBuilder();
+
+        $builder->addDefinitions([
+            Config::class => function () {
+                $configPath = getcwd() . '/a11y.yaml';
+                return Config::fromYaml($configPath);
+            },
+            Scanner::class => function () {
+                return new Scanner();
+            },
+            Analyser::class => function (ContainerInterface $c) {
+                $config = $c->get(Config::class);
+                $scanner = $c->get(Scanner::class);
+                return new Analyser(
+                    $config instanceof Config ? $config : null,
+                    $scanner instanceof Scanner ? $scanner : null
+                );
+            },
+            ScanCommand::class => function () {
+                return new ScanCommand();
+            },
+            FixCommand::class => function () {
+                return new FixCommand();
+            },
+            InitCommand::class => function () {
+                return new InitCommand();
+            },
+            RulesCommand::class => function () {
+                return new RulesCommand();
+            },
+        ]);
+
+        return $builder->build();
+    }
+}
diff --git a/src/Core/Diff/VisualDiffGenerator.php b/src/Core/Diff/VisualDiffGenerator.php
new file mode 100644
index 0000000..8260f08
--- /dev/null
+++ b/src/Core/Diff/VisualDiffGenerator.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Core\Diff;
+
+use SebastianBergmann\Diff\Differ;
+use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
+
+class VisualDiffGenerator
+{
+    private Differ $differ;
+
+    public function __construct()
+    {
+        $this->differ = new Differ(new UnifiedDiffOutputBuilder("--- Original\n+++ Healed\n"));
+    }
+
+    /**
+     * Generate a colorized git-style unified diff string.
+     *
+     * @param string $original
+     * @param string $fixed
+     * @return string
+     */
+    public function generate(string $original, string $fixed): string
+    {
+        $diff = $this->differ->diff($original, $fixed);
+        $lines = explode("\n", $diff);
+        
+        $colorized = [];
+        foreach ($lines as $line) {
+            if (str_starts_with($line, '+') && !str_starts_with($line, '+++')) {
+                $colorized[] = "<fg=green>" . htmlspecialchars($line) . "</>";
+            } elseif (str_starts_with($line, '-') && !str_starts_with($line, '---')) {
+                $colorized[] = "<fg=red>" . htmlspecialchars($line) . "</>";
+            } elseif (str_starts_with($line, '@@')) {
+                $colorized[] = "<fg=cyan>" . htmlspecialchars($line) . "</>";
+            } elseif (str_starts_with($line, '---') || str_starts_with($line, '+++')) {
+                $colorized[] = "<fg=gray>" . htmlspecialchars($line) . "</>";
+            } else {
+                $colorized[] = htmlspecialchars($line);
+            }
+        }
+
+        return implode("\n", $colorized);
+    }
+}
diff --git a/src/Core/Metrics/AccessibilityScoreCalculator.php b/src/Core/Metrics/AccessibilityScoreCalculator.php
new file mode 100644
index 0000000..16f047b
--- /dev/null
+++ b/src/Core/Metrics/AccessibilityScoreCalculator.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Core\Metrics;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\Severity;
+
+class AccessibilityScoreCalculator
+{
+    /**
+     * Calculate accessibility score (0-100) and user impact summaries.
+     *
+     * @param Violation[] $violations
+     * @return array{score: int, visualImpact: int, motorImpact: int, cognitiveImpact: int}
+     */
+    public static function calculate(array $violations): array
+    {
+        $score = 100;
+        
+        $visualCount = 0;
+        $motorCount = 0;
+        $cognitiveCount = 0;
+
+        foreach ($violations as $v) {
+            // Deduct points based on severity
+            $deduction = 3; // Warning default
+            if ($v->severity === Severity::CRITICAL) {
+                $deduction = 15;
+            } elseif ($v->severity === Severity::ERROR) {
+                $deduction = 8;
+            }
+            $score -= $deduction;
+
+            // Map rule ID to disabled user groups impact
+            $id = $v->ruleId;
+            if (self::isVisual($id)) {
+                $visualCount++;
+            }
+            if (self::isMotor($id)) {
+                $motorCount++;
+            }
+            if (self::isCognitive($id)) {
+                $cognitiveCount++;
+            }
+        }
+
+        $score = max(0, $score);
+
+        // Normalize counts to percentage indicators of severity
+        $total = count($violations);
+        $visualImpact = $total > 0 ? (int)(($visualCount / $total) * 100) : 0;
+        $motorImpact = $total > 0 ? (int)(($motorCount / $total) * 100) : 0;
+        $cognitiveImpact = $total > 0 ? (int)(($cognitiveCount / $total) * 100) : 0;
+
+        return [
+            'score' => $score,
+            'visualImpact' => $visualImpact,
+            'motorImpact' => $motorImpact,
+            'cognitiveImpact' => $cognitiveImpact,
+        ];
+    }
+
+    private static function isVisual(string $ruleId): bool
+    {
+        $visualKeywords = ['ALT', 'LABEL', 'TITLE', 'ARIA', 'LANG', 'CONTRAST', 'COLOR', 'TEXT', 'HEADING'];
+        foreach ($visualKeywords as $key) {
+            if (str_contains($ruleId, $key)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static function isMotor(string $ruleId): bool
+    {
+        $motorKeywords = ['ACCESSKEY', 'FOCUS', 'TABINDEX', 'KEYBOARD', 'LINK_JAVASCRIPT', 'AUTOFOCUS', 'SCROLLABLE'];
+        foreach ($motorKeywords as $key) {
+            if (str_contains($ruleId, $key)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static function isCognitive(string $ruleId): bool
+    {
+        $cognitiveKeywords = ['MARQUEE', 'BLINK', 'REFRESH', 'AUTOPLAY', 'AUTOCOMPLETE'];
+        foreach ($cognitiveKeywords as $key) {
+            if (str_contains($ruleId, $key)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/src/Core/SelfHealing/LocalHealer.php b/src/Core/SelfHealing/LocalHealer.php
new file mode 100644
index 0000000..7e75eeb
--- /dev/null
+++ b/src/Core/SelfHealing/LocalHealer.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Core\SelfHealing;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+
+class LocalHealer
+{
+    /**
+     * Attempt to deterministically fix simple violations locally.
+     *
+     * @param Violation $violation
+     * @return string|null
+     */
+    public function heal(Violation $violation): ?string
+    {
+        $snippet = $violation->htmlSnippet;
+        $ruleId = $violation->ruleId;
+
+        switch ($ruleId) {
+            case 'WCAG_2_2_2_BLINK':
+                $fixed = str_replace(
+                    ['<blink>', '</blink>', '<BLINK>', '</BLINK>'],
+                    ['<span style="text-decoration: blink;">', '</span>', '<span style="text-decoration: blink;">', '</span>'],
+                    $snippet
+                );
+                return "EXPLANATION: Banned <blink> tag replaced with a span and text-decoration style.\nFIX: " . $fixed;
+
+            case 'WCAG_2_4_3_AUTOFOCUS':
+                $fixed = preg_replace('/\s+autofocus(=["\'](.*?)["\'])?/i', '', $snippet) ?: $snippet;
+                return "EXPLANATION: Autofocus attribute removed to prevent screen reader interruption on load.\nFIX: " . $fixed;
+
+            case 'WCAG_1_3_1_TABLE_SUMMARY':
+                $fixed = preg_replace('/\s+summary=["\'](.*?)["\']/i', '', $snippet) ?: $snippet;
+                return "EXPLANATION: Deprecated table summary attribute removed. Use caption elements instead.\nFIX: " . $fixed;
+
+            case 'WCAG_2_1_1_SCROLLABLE_FOCUS':
+                if (!str_contains($snippet, 'tabindex')) {
+                    $fixed = preg_replace('/(style=["\'](.*?)["\'])/i', '$1 tabindex="0"', $snippet) ?: $snippet;
+                    return "EXPLANATION: Added tabindex=\"0\" to scrollable region to allow keyboard scrolling.\nFIX: " . $fixed;
+                }
+                break;
+
+            case 'WCAG_1_3_1_PRESENTATION_TAGS':
+                if (preg_match('/<center>(.*?)<\/center>/is', $snippet, $matches)) {
+                    $fixed = '<div style="text-align: center;">' . $matches[1] . '</div>';
+                    return "EXPLANATION: Center element replaced with div and text-align CSS.\nFIX: " . $fixed;
+                }
+                if (preg_match('/<strike>(.*?)<\/strike>/is', $snippet, $matches)) {
+                    $fixed = '<span style="text-decoration: line-through;">' . $matches[1] . '</span>';
+                    return "EXPLANATION: Strike element replaced with span and line-through decoration CSS.\nFIX: " . $fixed;
+                }
+                break;
+
+            case 'WCAG_3_1_1_LANG':
+                if (preg_match('/<html(\s+[^>]*>|>)/i', $snippet)) {
+                    $fixed = preg_replace('/<html/i', '<html lang="en"', $snippet) ?: $snippet;
+                    return "EXPLANATION: Injected default lang=\"en\" to HTML element.\nFIX: " . $fixed;
+                }
+                break;
+        }
+
+        return null;
+    }
+}
diff --git a/src/Parser/BladeParser.php b/src/Parser/BladeParser.php
new file mode 100644
index 0000000..948d15a
--- /dev/null
+++ b/src/Parser/BladeParser.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Parser;
+
+class BladeParser implements ParserInterface
+{
+    public function parse(string $content): string
+    {
+        // Replace {!! ... !!} with static text
+        $content = preg_replace('/\{\!\!(.*?)\!\!\}/s', 'StaticRawBladeContent', $content) ?? $content;
+        
+        // Replace {{ ... }} with static text
+        $content = preg_replace('/\{\{\s*(.*?)\s*\}\}/s', 'StaticBladeContent', $content) ?? $content;
+        
+        // Strip Blade directives like @if, @else, @endif, @foreach, @endforeach, etc.
+        $content = preg_replace('/@[a-zA-Z0-9_]+\s*(\(.*?\))?/i', '', $content) ?? $content;
+        
+        return $content;
+    }
+}
diff --git a/src/Parser/HtmlParser.php b/src/Parser/HtmlParser.php
new file mode 100644
index 0000000..4db0920
--- /dev/null
+++ b/src/Parser/HtmlParser.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Parser;
+
+class HtmlParser implements ParserInterface
+{
+    public function parse(string $content): string
+    {
+        return $content;
+    }
+}
diff --git a/src/Parser/ParserInterface.php b/src/Parser/ParserInterface.php
new file mode 100644
index 0000000..b189cc7
--- /dev/null
+++ b/src/Parser/ParserInterface.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Parser;
+
+interface ParserInterface
+{
+    /**
+     * Parse template file contents and strip out dynamic content placeholders
+     * to return clean, standard HTML for scanning.
+     *
+     * @param string $content
+     * @return string
+     */
+    public function parse(string $content): string;
+}
diff --git a/src/Parser/TwigParser.php b/src/Parser/TwigParser.php
new file mode 100644
index 0000000..2211ad9
--- /dev/null
+++ b/src/Parser/TwigParser.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Parser;
+
+class TwigParser implements ParserInterface
+{
+    public function parse(string $content): string
+    {
+        // Strip Twig comments {# ... #}
+        $content = preg_replace('/\{\#.*?\#\}/s', '', $content) ?? $content;
+        
+        // Replace Twig output {{ ... }} with static text
+        $content = preg_replace('/\{\{\s*(.*?)\s*\}\}/s', 'StaticTwigOutput', $content) ?? $content;
+        
+        // Strip Twig statements {% ... %}
+        $content = preg_replace('/\{\%.*?\%\}/s', '', $content) ?? $content;
+        
+        return $content;
+    }
+}
diff --git a/src/Reference/WcagCriterion.php b/src/Reference/WcagCriterion.php
new file mode 100644
index 0000000..3f857c0
--- /dev/null
+++ b/src/Reference/WcagCriterion.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reference;
+
+class WcagCriterion
+{
+    public function __construct(
+        public string $id,
+        public string $title,
+        public string $level,
+        public string $url,
+        public string $description,
+        public string $badExample,
+        public string $goodExample
+    ) {}
+
+    /**
+     * @return array{id: string, title: string, level: string, url: string, description: string, badExample: string, goodExample: string}
+     */
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->id,
+            'title' => $this->title,
+            'level' => $this->level,
+            'url' => $this->url,
+            'description' => $this->description,
+            'badExample' => $this->badExample,
+            'goodExample' => $this->goodExample,
+        ];
+    }
+}
diff --git a/src/Reference/WcagDatabase.php b/src/Reference/WcagDatabase.php
new file mode 100644
index 0000000..edd664d
--- /dev/null
+++ b/src/Reference/WcagDatabase.php
@@ -0,0 +1,136 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reference;
+
+class WcagDatabase
+{
+    /** @var array<string, WcagCriterion> */
+    private static array $criteria = [];
+
+    public static function load(): void
+    {
+        if (!empty(self::$criteria)) {
+            return;
+        }
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_2_2_2_BLINK',
+            title: '2.2.2 Pause, Stop, Hide',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/pause-stop-hide.html',
+            description: 'The <blink> tag causes flashing text, presenting significant cognitive and visual accessibility barriers.',
+            badExample: '<blink>Blinking Text</blink>',
+            goodExample: '<span class="attention-style">Styled Text</span>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_1_3_1_DUPLICATE_H1',
+            title: '1.3.1 Info and Relationships',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/info-and-relationships.html',
+            description: 'Pages should contain exactly one h1 element to present a clear hierarchy and entry point for screen readers.',
+            badExample: '<h1>Title</h1><h1>Another Title</h1>',
+            goodExample: '<h1>Title</h1><h2>Subtitle</h2>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_1_3_5_AUTOCOMPLETE',
+            title: '1.3.5 Identify Input Purpose',
+            level: 'AA',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/identify-input-purpose.html',
+            description: 'Inputs collecting user personal info must have autocomplete attributes to assist users with cognitive impairments.',
+            badExample: '<input type="email" name="email">',
+            goodExample: '<input type="email" name="email" autocomplete="email">'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_2_1_1_SCROLLABLE_FOCUS',
+            title: '2.1.1 Keyboard',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/keyboard.html',
+            description: 'Scrollable regions must be focusable using keyboard navigation (tabindex="0") so keyboard-only users can scroll them.',
+            badExample: '<div style="overflow: scroll; height: 100px;">Scrollable content</div>',
+            goodExample: '<div style="overflow: scroll; height: 100px;" tabindex="0">Scrollable content</div>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_4_1_2_ARIA_LABELLEDBY',
+            title: '4.1.2 Name, Role, Value',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/name-role-value.html',
+            description: 'aria-labelledby and aria-describedby attributes must refer to existing element IDs to prevent screen readers from reading empty contexts.',
+            badExample: '<button aria-labelledby="missing_id">Submit</button>',
+            goodExample: '<div id="btn_lbl">Submit Form</div><button aria-labelledby="btn_lbl">Submit</button>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_1_1_1_ALT_PLACEHOLDER',
+            title: '1.1.1 Non-text Content',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/non-text-content.html',
+            description: 'Alt attributes must not contain placeholder words or file names. They should provide a meaningful description of the image content.',
+            badExample: '<img src="logo.png" alt="logo">',
+            goodExample: '<img src="logo.png" alt="YakNet Company Logo">'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_1_1_1_SVG',
+            title: '1.1.1 Non-text Content',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/non-text-content.html',
+            description: 'Inline SVGs must either contain alternative descriptions or be hidden from assistive technologies using aria-hidden="true".',
+            badExample: '<svg><circle cx="5" cy="5" r="5"></svg>',
+            goodExample: '<svg aria-hidden="true"><circle cx="5" cy="5" r="5"></svg>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_1_3_1_TABLE_SUMMARY',
+            title: '1.3.1 Info and Relationships',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/info-and-relationships.html',
+            description: 'The summary attribute on <table> is deprecated in HTML5. Use <caption> elements for tables description instead.',
+            badExample: '<table summary="Table Summary">',
+            goodExample: '<table><caption>Table Description</caption>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_1_3_1_PRESENTATION_TAGS',
+            title: '1.3.1 Info and Relationships',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/info-and-relationships.html',
+            description: 'Obsolete presentation tags like <center> and <strike> are banned. Use standard CSS classes or styling.',
+            badExample: '<center>Centered Text</center>',
+            goodExample: '<span style="text-align: center; display: block;">Centered Text</span>'
+        ));
+
+        self::add(new WcagCriterion(
+            id: 'WCAG_2_4_3_AUTOFOCUS',
+            title: '2.4.3 Focus Order',
+            level: 'A',
+            url: 'https://www.w3.org/WAI/WCAG21/Understanding/focus-order.html',
+            description: 'autofocus attribute can cause keyboard traps and disorient blind/low-vision users on page load. Focus should be managed contextually.',
+            badExample: '<input name="search" autofocus>',
+            goodExample: '<input name="search">'
+        ));
+    }
+
+    public static function add(WcagCriterion $criterion): void
+    {
+        self::$criteria[$criterion->id] = $criterion;
+    }
+
+    public static function get(string $ruleId): ?WcagCriterion
+    {
+        self::load();
+        return self::$criteria[$ruleId] ?? null;
+    }
+
+    /**
+     * @return array<string, WcagCriterion>
+     */
+    public static function all(): array
+    {
+        self::load();
+        return self::$criteria;
+    }
+}
diff --git a/src/Reference/WcagReference.php b/src/Reference/WcagReference.php
new file mode 100644
index 0000000..e9a1367
--- /dev/null
+++ b/src/Reference/WcagReference.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reference;
+
+class WcagReference
+{
+    /**
+     * Look up the WCAG Success Criterion for a given rule ID.
+     *
+     * @param string $ruleId
+     * @return WcagCriterion|null
+     */
+    public static function lookup(string $ruleId): ?WcagCriterion
+    {
+        return WcagDatabase::get($ruleId);
+    }
+
+    /**
+     * Get a list of all WCAG criteria mapped in the console.
+     *
+     * @return array<string, WcagCriterion>
+     */
+    public static function getCatalog(): array
+    {
+        return WcagDatabase::all();
+    }
+}
diff --git a/src/Reporting/CsvFormatter.php b/src/Reporting/CsvFormatter.php
new file mode 100644
index 0000000..fa73d69
--- /dev/null
+++ b/src/Reporting/CsvFormatter.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reporting;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Console\Command\Command;
+
+class CsvFormatter implements FormatterInterface
+{
+    public function format(array $violations, int $baselinedCount, SymfonyStyle $io): int
+    {
+        $out = fopen('php://temp', 'w+');
+        if ($out === false) {
+            return Command::FAILURE;
+        }
+        
+        // Write header
+        fputcsv($out, ['Rule ID', 'Severity', 'Standard', 'File', 'Line', 'Message', 'HTML Snippet', 'Fix Suggestion'], ',', '"', '\\');
+        
+        foreach ($violations as $v) {
+            $file = $v->location['file'] ?? 'unknown';
+            $line = $v->location['line'] ?? 0;
+            fputcsv($out, [
+                $v->ruleId,
+                $v->severity->value,
+                $v->standard->value,
+                $file,
+                $line,
+                $v->message,
+                $v->htmlSnippet,
+                $v->fixSuggestion
+            ], ',', '"', '\\');
+        }
+        
+        rewind($out);
+        $csv = stream_get_contents($out);
+        fclose($out);
+        
+        $io->write($csv ?: '');
+        
+        return empty($violations) ? Command::SUCCESS : Command::FAILURE;
+    }
+}
diff --git a/src/Reporting/GitLabCodeQualityFormatter.php b/src/Reporting/GitLabCodeQualityFormatter.php
new file mode 100644
index 0000000..2b5d644
--- /dev/null
+++ b/src/Reporting/GitLabCodeQualityFormatter.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reporting;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\Severity;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Console\Command\Command;
+
+class GitLabCodeQualityFormatter implements FormatterInterface
+{
+    public function format(array $violations, int $baselinedCount, SymfonyStyle $io): int
+    {
+        $quality = [];
+        
+        foreach ($violations as $v) {
+            $file = $v->location['file'] ?? 'unknown';
+            $line = $v->location['line'] ?? 1;
+            
+            // Map our severity to GitLab code quality severities:
+            // info, minor, major, critical, blocker
+            $gitLabSeverity = 'major';
+            if ($v->severity === Severity::CRITICAL) {
+                $gitLabSeverity = 'critical';
+            } elseif ($v->severity === Severity::WARNING) {
+                $gitLabSeverity = 'minor';
+            }
+            
+            $quality[] = [
+                'description' => sprintf('[%s] %s', $v->ruleId, $v->message),
+                'fingerprint' => md5($v->ruleId . ':' . $file . ':' . $line . ':' . $v->htmlSnippet),
+                'severity' => $gitLabSeverity,
+                'location' => [
+                    'path' => $file,
+                    'lines' => [
+                        'begin' => $line
+                    ]
+                ]
+            ];
+        }
+        
+        $io->write((string)json_encode($quality, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+        
+        return empty($violations) ? Command::SUCCESS : Command::FAILURE;
+    }
+}
diff --git a/src/Reporting/MarkdownFormatter.php b/src/Reporting/MarkdownFormatter.php
new file mode 100644
index 0000000..666e379
--- /dev/null
+++ b/src/Reporting/MarkdownFormatter.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reporting;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Console\Command\Command;
+
+class MarkdownFormatter implements FormatterInterface
+{
+    public function format(array $violations, int $baselinedCount, SymfonyStyle $io): int
+    {
+        $md = [];
+        $md[] = "# Accessibility Scan Report";
+        $md[] = "";
+        $md[] = sprintf("- **Total Violations:** %d", count($violations));
+        $md[] = sprintf("- **Baselined Violations:** %d", $baselinedCount);
+        $md[] = "";
+        $md[] = "## Detailed Violations";
+        $md[] = "";
+        
+        if (empty($violations)) {
+            $md[] = "*No violations found!* 🎉";
+        } else {
+            foreach ($violations as $index => $v) {
+                $file = $v->location['file'] ?? 'unknown';
+                $line = $v->location['line'] ?? 0;
+                $md[] = sprintf("### %d. %s [%s - %s]", $index + 1, $v->ruleId, strtoupper($v->severity->value), $v->standard->value);
+                $md[] = sprintf("- **File:** `%s` on line %d", $file, $line);
+                $md[] = sprintf("- **Message:** %s", $v->message);
+                if ($v->fixSuggestion) {
+                    $md[] = sprintf("- **Fix Suggestion:** %s", $v->fixSuggestion);
+                }
+                $md[] = "- **Snippet:**";
+                $md[] = "  ```html";
+                $md[] = "  " . trim($v->htmlSnippet);
+                $md[] = "  ```";
+                $md[] = "";
+            }
+        }
+        
+        $io->write(implode("\n", $md));
+        
+        return empty($violations) ? Command::SUCCESS : Command::FAILURE;
+    }
+}
diff --git a/src/Reporting/XmlFormatter.php b/src/Reporting/XmlFormatter.php
new file mode 100644
index 0000000..7cc3c47
--- /dev/null
+++ b/src/Reporting/XmlFormatter.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Reporting;
+
+use YakNet\AccessibilityConsole\Core\Violation;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Console\Command\Command;
+
+class XmlFormatter implements FormatterInterface
+{
+    public function format(array $violations, int $baselinedCount, SymfonyStyle $io): int
+    {
+        $dom = new \DOMDocument('1.0', 'utf-8');
+        $dom->formatOutput = true;
+        
+        $root = $dom->createElement('report');
+        $root->setAttribute('totalViolations', (string)count($violations));
+        $root->setAttribute('baselinedViolations', (string)$baselinedCount);
+        $dom->appendChild($root);
+        
+        $violationsNode = $dom->createElement('violations');
+        $root->appendChild($violationsNode);
+        
+        foreach ($violations as $v) {
+            $node = $dom->createElement('violation');
+            $node->setAttribute('ruleId', $v->ruleId);
+            $node->setAttribute('severity', $v->severity->value);
+            $node->setAttribute('standard', $v->standard->value);
+            
+            $msg = $dom->createElement('message', htmlspecialchars($v->message));
+            $node->appendChild($msg);
+            
+            $file = $v->location['file'] ?? 'unknown';
+            $line = $v->location['line'] ?? 0;
+            
+            $loc = $dom->createElement('location');
+            $loc->setAttribute('file', $file);
+            $loc->setAttribute('line', (string)$line);
+            $node->appendChild($loc);
+            
+            $snippet = $dom->createElement('htmlSnippet');
+            $snippet->appendChild($dom->createCDATASection($v->htmlSnippet));
+            $node->appendChild($snippet);
+            
+            if ($v->fixSuggestion) {
+                $sug = $dom->createElement('suggestion', htmlspecialchars($v->fixSuggestion));
+                $node->appendChild($sug);
+            }
+            
+            $violationsNode->appendChild($node);
+        }
+        
+        $io->write($dom->saveXML() ?: '');
+        
+        return empty($violations) ? Command::SUCCESS : Command::FAILURE;
+    }
+}
diff --git a/src/Rules/AriaLabelledbyExists.php b/src/Rules/AriaLabelledbyExists.php
new file mode 100644
index 0000000..9fc18d5
--- /dev/null
+++ b/src/Rules/AriaLabelledbyExists.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class AriaLabelledbyExists extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_4_1_2_ARIA_LABELLEDBY'; }
+    public function getDescription(): string { return 'aria-labelledby and aria-describedby attributes must refer to existing element IDs.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        $attrs = ['aria-labelledby', 'aria-describedby'];
+        foreach ($attrs as $attr) {
+            if ($element->hasAttribute($attr)) {
+                $ids = preg_split('/\s+/', trim($element->getAttribute($attr)));
+                if ($ids === false) {
+                    continue;
+                }
+
+                $doc = $element->ownerDocument;
+                if (!$doc) {
+                    continue;
+                }
+
+                foreach ($ids as $id) {
+                    if ($id === '') {
+                        continue;
+                    }
+
+                    $target = $doc->getElementById($id);
+                    if (!$target) {
+                        // XPath fallback in case DOMDocument getElementById fails (which is common without DTD/XML schemas)
+                        $xpath = new \DOMXPath($doc);
+                        $query = $xpath->query("//*[@id='" . addslashes($id) . "']");
+                        if ($query === false || $query->length === 0) {
+                            return $this->createViolation(
+                                $element,
+                                "The attribute $attr refers to a non-existent ID: \"$id\".",
+                                "Ensure the element referenced by ID \"$id\" exists in the document, or correct the ID spelling."
+                            );
+                        }
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/AutocompleteValid.php b/src/Rules/AutocompleteValid.php
new file mode 100644
index 0000000..071db3f
--- /dev/null
+++ b/src/Rules/AutocompleteValid.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class AutocompleteValid extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_3_5_AUTOCOMPLETE'; }
+    public function getDescription(): string { return 'Input fields that collect common user information must have a valid autocomplete attribute.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::AA; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 4; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'input') {
+            return null;
+        }
+
+        $type = strtolower($element->getAttribute('type') ?: 'text');
+        if (in_array($type, ['hidden', 'submit', 'button', 'reset', 'file', 'checkbox', 'radio', 'image'], true)) {
+            return null;
+        }
+
+        $name = strtolower($element->getAttribute('name'));
+        $id = strtolower($element->getAttribute('id'));
+
+        $personalFields = ['email', 'tel', 'phone', 'zip', 'postal', 'address', 'username', 'password', 'name', 'fname', 'lname', 'search'];
+        $isPersonal = false;
+
+        if ($type === 'email' || $type === 'tel' || $type === 'password') {
+            $isPersonal = true;
+        } else {
+            foreach ($personalFields as $field) {
+                if (str_contains($name, $field) || str_contains($id, $field)) {
+                    $isPersonal = true;
+                    break;
+                }
+            }
+        }
+
+        if ($isPersonal && !$element->hasAttribute('autocomplete')) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Add a valid autocomplete attribute (e.g., autocomplete="email" or autocomplete="current-password").'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/AutofocusBanned.php b/src/Rules/AutofocusBanned.php
new file mode 100644
index 0000000..cc35659
--- /dev/null
+++ b/src/Rules/AutofocusBanned.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class AutofocusBanned extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_2_4_3_AUTOFOCUS'; }
+    public function getDescription(): string { return 'Form controls should not use the autofocus attribute as it disorients screen reader and keyboard users.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if ($element->hasAttribute('autofocus')) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Remove the autofocus attribute and let the user navigate to the form field naturally, or use script-based focus with care.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/BannedSelectors.php b/src/Rules/BannedSelectors.php
new file mode 100644
index 0000000..164748f
--- /dev/null
+++ b/src/Rules/BannedSelectors.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use Symfony\Component\DomCrawler\Crawler;
+use YakNet\AccessibilityConsole\Core\AbstractRule;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class BannedSelectors extends AbstractRule
+{
+    /** @var array<string, string> */
+    private array $bannedSelectors = [
+        'center' => 'Obsolete <center> tag. Use CSS text-align instead.',
+        'blink' => 'Obsolete <blink> tag. Avoid blinking/flashing content.',
+        'marquee' => 'Obsolete <marquee> tag. Avoid moving content.',
+        'font' => 'Obsolete <font> tag. Use CSS font styling instead.',
+        '*[align]' => 'Deprecated align attribute. Use CSS text-align or float instead.',
+        '*[bgcolor]' => 'Deprecated bgcolor attribute. Use CSS background-color instead.',
+    ];
+
+    public function check(\DOMDocument $doc): array
+    {
+        $violations = [];
+        $crawler = new Crawler($doc);
+
+        foreach ($this->bannedSelectors as $selector => $message) {
+            try {
+                $nodes = $crawler->filter($selector);
+                foreach ($nodes as $node) {
+                    if ($node instanceof \DOMElement) {
+                        $violations[] = $this->createViolation(
+                            sprintf('[Banned Selector: "%s"] %s', $selector, $message),
+                            $node
+                        );
+                    }
+                }
+            } catch (\Throwable $e) {
+                // Skip invalid selector configurations
+            }
+        }
+
+        return $violations;
+    }
+
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 2; }
+}
diff --git a/src/Rules/BlinkTagBanned.php b/src/Rules/BlinkTagBanned.php
new file mode 100644
index 0000000..85af1ab
--- /dev/null
+++ b/src/Rules/BlinkTagBanned.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class BlinkTagBanned extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_2_2_2_BLINK'; }
+    public function getDescription(): string { return 'The <blink> tag is obsolete and should not be used as it causes text to flash/blink.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 1; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) === 'blink') {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Remove the <blink> tag and use CSS styling/animations if needed, or preferably avoid blinking content.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/DuplicateH1.php b/src/Rules/DuplicateH1.php
new file mode 100644
index 0000000..19f226c
--- /dev/null
+++ b/src/Rules/DuplicateH1.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class DuplicateH1 extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_3_1_DUPLICATE_H1'; }
+    public function getDescription(): string { return 'Pages should not contain more than one h1 element.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 2; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'h1') {
+            return null;
+        }
+
+        $doc = $element->ownerDocument;
+        if ($doc) {
+            $h1s = $doc->getElementsByTagName('h1');
+            if ($h1s->length > 1 && $h1s->item(0) !== $element) {
+                return $this->createViolation(
+                    $element,
+                    $this->getDescription(),
+                    'Change this heading to an h2 or lower level heading, keeping only one h1 per page.'
+                );
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/FormSubmitButton.php b/src/Rules/FormSubmitButton.php
new file mode 100644
index 0000000..ae14e10
--- /dev/null
+++ b/src/Rules/FormSubmitButton.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class FormSubmitButton extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_3_2_2_FORM_SUBMIT'; }
+    public function getDescription(): string { return 'Every form must contain a submit button to enable keyboard submission.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'form') {
+            return null;
+        }
+
+        $hasSubmit = false;
+        
+        $buttons = $element->getElementsByTagName('button');
+        foreach ($buttons as $btn) {
+            $type = strtolower($btn->getAttribute('type') ?: 'submit');
+            if ($type === 'submit') {
+                $hasSubmit = true;
+                break;
+            }
+        }
+
+        if (!$hasSubmit) {
+            $inputs = $element->getElementsByTagName('input');
+            foreach ($inputs as $input) {
+                $type = strtolower($input->getAttribute('type'));
+                if ($type === 'submit' || $type === 'image') {
+                    $hasSubmit = true;
+                    break;
+                }
+            }
+        }
+
+        if (!$hasSubmit) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Add a submit control, such as a <button type="submit"> or <input type="submit"> inside the form.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/ImageAltLong.php b/src/Rules/ImageAltLong.php
new file mode 100644
index 0000000..a0caf6a
--- /dev/null
+++ b/src/Rules/ImageAltLong.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class ImageAltLong extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_1_1_ALT_LONG'; }
+    public function getDescription(): string { return 'Image alt text should be concise (less than 150 characters).'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'img') {
+            return null;
+        }
+
+        if (!$element->hasAttribute('alt')) {
+            return null;
+        }
+
+        $alt = trim($element->getAttribute('alt'));
+        if (mb_strlen($alt) > 150) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Shorten the alt text description to be under 150 characters, and move longer explanations to standard page content.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/ImageAltPlaceholder.php b/src/Rules/ImageAltPlaceholder.php
new file mode 100644
index 0000000..0f8ec7a
--- /dev/null
+++ b/src/Rules/ImageAltPlaceholder.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class ImageAltPlaceholder extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_1_1_ALT_PLACEHOLDER'; }
+    public function getDescription(): string { return 'Image alt text should not be a generic placeholder or filename.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 2; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'img') {
+            return null;
+        }
+
+        if (!$element->hasAttribute('alt')) {
+            return null;
+        }
+
+        $alt = trim($element->getAttribute('alt'));
+        if ($alt === '') {
+            return null; // Empty alt is allowed for decorative images (WCAG 1.1.1)
+        }
+
+        $cleanAlt = strtolower($alt);
+
+        // Generic placeholder checks
+        $placeholders = [
+            'image', 'photo', 'picture', 'logo', 'icon', 'placeholder', 'untitled', 'temp', 'blank', 'pic', 'dot',
+            'resim', 'foto', 'fotoğraf', 'görsel', 'grafik', 'ikon', 'logo'
+        ];
+        if (in_array($cleanAlt, $placeholders, true)) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Provide a specific description of what the image shows, rather than using a generic word.'
+            );
+        }
+
+        // Filename checks
+        if (preg_match('/\.(png|jpg|jpeg|gif|svg|webp|bmp)$/i', $cleanAlt)) {
+            return $this->createViolation(
+                $element,
+                'Image alt text should not be a filename.',
+                'Provide a descriptive alternative text instead of the image filename.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/LinkTextUrl.php b/src/Rules/LinkTextUrl.php
new file mode 100644
index 0000000..4161964
--- /dev/null
+++ b/src/Rules/LinkTextUrl.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class LinkTextUrl extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_2_4_4_LINK_URL'; }
+    public function getDescription(): string { return 'Link text should not be a raw URL.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'a') {
+            return null;
+        }
+
+        $text = trim($element->textContent);
+        if (preg_match('/^(https?:\/\/|www\.)[^\s]+$/i', $text)) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Replace the raw URL link text with a descriptive label explaining where the link goes.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/ListStructure.php b/src/Rules/ListStructure.php
new file mode 100644
index 0000000..10d0bd7
--- /dev/null
+++ b/src/Rules/ListStructure.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class ListStructure extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_3_1_LIST_STRUCTURE'; }
+    public function getDescription(): string { return 'Lists (ul, ol) must only contain list item elements (li) as direct children.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 2; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        $tag = strtolower($element->tagName);
+        if ($tag !== 'ul' && $tag !== 'ol') {
+            return null;
+        }
+
+        foreach ($element->childNodes as $child) {
+            if ($child instanceof DOMElement) {
+                $childTag = strtolower($child->tagName);
+                if (!in_array($childTag, ['li', 'script', 'template'], true)) {
+                    return $this->createViolation(
+                        $element,
+                        sprintf('List element <%s> contains invalid direct child <%s>. Only <li> elements are allowed.', $tag, $childTag),
+                        'Wrap the child element in an <li> tag, or move it outside the list structure.'
+                    );
+                }
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/PresentationTagsBanned.php b/src/Rules/PresentationTagsBanned.php
new file mode 100644
index 0000000..b0e4b79
--- /dev/null
+++ b/src/Rules/PresentationTagsBanned.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class PresentationTagsBanned extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_3_1_PRESENTATION_TAGS'; }
+    public function getDescription(): string { return 'Obsolete presentation tags (<center>, <strike>, <basefont>, <tt>, <big>) should not be used.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 2; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        $bannedTags = ['center', 'strike', 'basefont', 'tt', 'big'];
+        $tag = strtolower($element->tagName);
+        if (in_array($tag, $bannedTags, true)) {
+            return $this->createViolation(
+                $element,
+                sprintf('The <%s> presentation tag is obsolete and should not be used.', $tag),
+                sprintf('Remove the <%s> tag and use modern CSS styling instead.', $tag)
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/ScrollableRegionFocusable.php b/src/Rules/ScrollableRegionFocusable.php
new file mode 100644
index 0000000..0a6217b
--- /dev/null
+++ b/src/Rules/ScrollableRegionFocusable.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class ScrollableRegionFocusable extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_2_1_1_SCROLLABLE_FOCUS'; }
+    public function getDescription(): string { return 'Scrollable regions must be focusable via keyboard using tabindex="0".'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 3; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        $style = $element->getAttribute('style');
+        if ($style && preg_match('/overflow(-x|-y)?\s*:\s*(scroll|auto)/i', $style)) {
+            if (!$element->hasAttribute('tabindex') || (int)$element->getAttribute('tabindex') < 0) {
+                return $this->createViolation(
+                    $element,
+                    $this->getDescription(),
+                    'Add tabindex="0" to the scrollable element so keyboard users can navigate to and scroll it.'
+                );
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/src/Rules/SvgAltText.php b/src/Rules/SvgAltText.php
new file mode 100644
index 0000000..83f9da4
--- /dev/null
+++ b/src/Rules/SvgAltText.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class SvgAltText extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_1_1_SVG'; }
+    public function getDescription(): string { return 'SVG elements must have alternative text or be hidden from screen readers.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::ERROR; }
+    public function getLevel(): int { return 2; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'svg') {
+            return null;
+        }
+
+        if ($element->getAttribute('aria-hidden') === 'true') {
+            return null;
+        }
+
+        if ($element->hasAttribute('aria-label') || $element->hasAttribute('aria-labelledby')) {
+            return null;
+        }
+
+        $titles = $element->getElementsByTagName('title');
+        if ($titles->length > 0) {
+            $titleNode = $titles->item(0);
+            if ($titleNode !== null) {
+                $titleText = trim($titleNode->textContent);
+                if ($titleText !== '') {
+                    return null;
+                }
+            }
+        }
+
+        return $this->createViolation(
+            $element,
+            $this->getDescription(),
+            'Add an aria-label, aria-labelledby, a <title> element inside the SVG, or set aria-hidden="true" if it is decorative.'
+        );
+    }
+}
diff --git a/src/Rules/TableSummaryBanned.php b/src/Rules/TableSummaryBanned.php
new file mode 100644
index 0000000..4138697
--- /dev/null
+++ b/src/Rules/TableSummaryBanned.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Rules;
+
+use DOMElement;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class TableSummaryBanned extends AbstractRule
+{
+    public function getId(): string { return 'WCAG_1_3_1_TABLE_SUMMARY'; }
+    public function getDescription(): string { return 'The summary attribute on table elements is obsolete and should not be used.'; }
+    public function getStandard(): WCAGStandard { return WCAGStandard::A; }
+    public function getSeverity(): Severity { return Severity::WARNING; }
+    public function getLevel(): int { return 2; }
+
+    public function check(DOMElement $element): ?Violation
+    {
+        if (strtolower($element->tagName) !== 'table') {
+            return null;
+        }
+
+        if ($element->hasAttribute('summary')) {
+            return $this->createViolation(
+                $element,
+                $this->getDescription(),
+                'Remove the summary attribute. Use the <caption> element or aria-describedby instead.'
+            );
+        }
+
+        return null;
+    }
+}
diff --git a/src/accessibility-console.php b/src/accessibility-console.php
new file mode 100644
index 0000000..8d64305
--- /dev/null
+++ b/src/accessibility-console.php
@@ -0,0 +1,77 @@
+<?php
+
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\RuleLevels;
+use YakNet\AccessibilityConsole\Core\SelfHealing\LocalHealer;
+use YakNet\AccessibilityConsole\Core\Metrics\AccessibilityScoreCalculator;
+
+if (!function_exists('a11y_scan')) {
+    /**
+     * Scan HTML content for accessibility violations.
+     *
+     * @param string $html
+     * @param int $level
+     * @return array<int, \YakNet\AccessibilityConsole\Core\Violation>
+     */
+    function a11y_scan(string $html, int $level = 4): array
+    {
+        $scanner = new Scanner();
+        $rules = RuleLevels::getRulesForLevel($level);
+        foreach ($rules as $rule) {
+            $scanner->addRule($rule);
+        }
+        return $scanner->scan($html);
+    }
+}
+
+if (!function_exists('a11y_score')) {
+    /**
+     * Calculate accessibility score (0-100) for HTML content.
+     *
+     * @param string $html
+     * @param int $level
+     * @return int
+     */
+    function a11y_score(string $html, int $level = 4): int
+    {
+        $violations = a11y_scan($html, $level);
+        $metrics = AccessibilityScoreCalculator::calculate($violations);
+        return $metrics['score'];
+    }
+}
+
+if (!function_exists('a11y_quick_fix')) {
+    /**
+     * Perform local self-healing fixes on the HTML content.
+     *
+     * @param string $html
+     * @param int $level
+     * @return string
+     */
+    function a11y_quick_fix(string $html, int $level = 4): string
+    {
+        $violations = a11y_scan($html, $level);
+        $healer = new LocalHealer();
+
+        foreach ($violations as $v) {
+            $healed = $healer->heal($v);
+            if ($healed !== null && str_contains($healed, 'FIX:')) {
+                preg_match('/FIX:(.*)/s', $healed, $matches);
+                $suggestion = trim($matches[1] ?? '');
+                $replacedSuggestion = preg_replace('/^```html\s*|\s*```$/i', '', $suggestion);
+                $suggestion = is_string($replacedSuggestion) ? $replacedSuggestion : '';
+                
+                if ($suggestion !== '') {
+                    $htmlSnippet = $v->htmlSnippet;
+                    if (str_contains($html, $htmlSnippet)) {
+                        $html = str_replace($htmlSnippet, $suggestion, $html);
+                    } else {
+                        $html = str_replace(trim($htmlSnippet), trim($suggestion), $html);
+                    }
+                }
+            }
+        }
+
+        return $html;
+    }
+}
diff --git a/tests/Core/AccessibilityScoreCalculatorTest.php b/tests/Core/AccessibilityScoreCalculatorTest.php
new file mode 100644
index 0000000..0f4c744
--- /dev/null
+++ b/tests/Core/AccessibilityScoreCalculatorTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Core;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Metrics\AccessibilityScoreCalculator;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class AccessibilityScoreCalculatorTest extends TestCase
+{
+    public function testScoreCalculationWithNoViolations(): void
+    {
+        $metrics = AccessibilityScoreCalculator::calculate([]);
+        $this->assertSame(100, $metrics['score']);
+    }
+
+    public function testScoreCalculationDeductions(): void
+    {
+        $violations = [
+            new Violation('WCAG_1_1_1_ALT', 'Img alt missing', Severity::ERROR, WCAGStandard::A, '<img>'), // -8
+            new Violation('WCAG_2_4_3_AUTOFOCUS', 'Autofocus usage', Severity::WARNING, WCAGStandard::A, '<input autofocus>') // -3
+        ];
+
+        $metrics = AccessibilityScoreCalculator::calculate($violations);
+        $this->assertSame(89, $metrics['score']); // 100 - 8 - 3 = 89
+    }
+}
diff --git a/tests/Core/FuzzyBaselineMatcherTest.php b/tests/Core/FuzzyBaselineMatcherTest.php
new file mode 100644
index 0000000..d2f4000
--- /dev/null
+++ b/tests/Core/FuzzyBaselineMatcherTest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Core;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Baseline\FuzzyBaselineMatcher;
+
+class FuzzyBaselineMatcherTest extends TestCase
+{
+    public function testFuzzyMatchIgnoresAttributeOrderAndSpaces(): void
+    {
+        $snippetA = '<img src="logo.png" alt="logo" class="banner">';
+        $snippetB = ' <img class="banner"  src="logo.png"   alt="logo"> ';
+
+        $this->assertTrue(FuzzyBaselineMatcher::match($snippetA, $snippetB));
+    }
+
+    public function testNormalizeLowercaseTags(): void
+    {
+        $html = '<IMG SRC="logo.png" ALT="logo">';
+        $norm = FuzzyBaselineMatcher::normalize($html);
+
+        $this->assertSame('<img alt="logo" src="logo.png">', $norm);
+    }
+}
diff --git a/tests/Core/LocalHealerTest.php b/tests/Core/LocalHealerTest.php
new file mode 100644
index 0000000..08ffd25
--- /dev/null
+++ b/tests/Core/LocalHealerTest.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Core;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\SelfHealing\LocalHealer;
+use YakNet\AccessibilityConsole\Core\Violation;
+use YakNet\AccessibilityConsole\Core\Severity;
+use YakNet\AccessibilityConsole\Core\WCAGStandard;
+
+class LocalHealerTest extends TestCase
+{
+    public function testHealsBlinkTag(): void
+    {
+        $healer = new LocalHealer();
+        $violation = new Violation(
+            ruleId: 'WCAG_2_2_2_BLINK',
+            message: 'Banned blink tag.',
+            severity: Severity::ERROR,
+            standard: WCAGStandard::A,
+            htmlSnippet: '<blink>Hello</blink>'
+        );
+
+        $result = $healer->heal($violation);
+        $this->assertNotNull($result);
+        $this->assertStringContainsString('FIX: <span style="text-decoration: blink;">Hello</span>', $result);
+    }
+
+    public function testHealsAutofocusAttribute(): void
+    {
+        $healer = new LocalHealer();
+        $violation = new Violation(
+            ruleId: 'WCAG_2_4_3_AUTOFOCUS',
+            message: 'Banned autofocus attribute.',
+            severity: Severity::WARNING,
+            standard: WCAGStandard::A,
+            htmlSnippet: '<input type="text" autofocus />'
+        );
+
+        $result = $healer->heal($violation);
+        $this->assertNotNull($result);
+        $this->assertStringContainsString('FIX: <input type="text" />', $result);
+    }
+}
diff --git a/tests/Core/VisualDiffGeneratorTest.php b/tests/Core/VisualDiffGeneratorTest.php
new file mode 100644
index 0000000..0892f3e
--- /dev/null
+++ b/tests/Core/VisualDiffGeneratorTest.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Core;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Diff\VisualDiffGenerator;
+
+class VisualDiffGeneratorTest extends TestCase
+{
+    public function testGeneratesVisualDiff(): void
+    {
+        $generator = new VisualDiffGenerator();
+        $original = "hello world\nfoo\n";
+        $fixed = "hello world\nbar\n";
+
+        $diff = $generator->generate($original, $fixed);
+
+        $this->assertStringContainsString('--- Original', $diff);
+        $this->assertStringContainsString('+++ Healed', $diff);
+        $this->assertStringContainsString('<fg=red>-foo', $diff);
+        $this->assertStringContainsString('<fg=green>+bar', $diff);
+    }
+}
diff --git a/tests/Rules/AriaLabelledbyExistsTest.php b/tests/Rules/AriaLabelledbyExistsTest.php
new file mode 100644
index 0000000..4c6dbaf
--- /dev/null
+++ b/tests/Rules/AriaLabelledbyExistsTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\AriaLabelledbyExists;
+
+class AriaLabelledbyExistsTest extends TestCase
+{
+    public function testFlagsMissingAriaLabelTarget(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AriaLabelledbyExists());
+
+        $violations = $scanner->scan('<div><button aria-labelledby="non_existent_id">Submit</button></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_4_1_2_ARIA_LABELLEDBY', $violations[0]->ruleId);
+    }
+
+    public function testPassesExistingAriaLabelTarget(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AriaLabelledbyExists());
+
+        $violations = $scanner->scan('<div><div id="real_id">Label</div><button aria-labelledby="real_id">Submit</button></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/AutocompleteValidTest.php b/tests/Rules/AutocompleteValidTest.php
new file mode 100644
index 0000000..4b101ea
--- /dev/null
+++ b/tests/Rules/AutocompleteValidTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\AutocompleteValid;
+
+class AutocompleteValidTest extends TestCase
+{
+    public function testFlagsMissingAutocomplete(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AutocompleteValid());
+
+        $violations = $scanner->scan('<div><input type="email" name="user_email" /></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_3_5_AUTOCOMPLETE', $violations[0]->ruleId);
+    }
+
+    public function testPassesWithAutocomplete(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AutocompleteValid());
+
+        $violations = $scanner->scan('<div><input type="email" name="user_email" autocomplete="email" /></div>');
+        $this->assertCount(0, $violations);
+    }
+
+    public function testSkipsNonPersonalInputs(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AutocompleteValid());
+
+        $violations = $scanner->scan('<div><input type="checkbox" name="agree" /><input type="submit" /></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/AutofocusBannedTest.php b/tests/Rules/AutofocusBannedTest.php
new file mode 100644
index 0000000..4a7f55d
--- /dev/null
+++ b/tests/Rules/AutofocusBannedTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\AutofocusBanned;
+
+class AutofocusBannedTest extends TestCase
+{
+    public function testFlagsAutofocusAttribute(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AutofocusBanned());
+
+        $violations = $scanner->scan('<div><input type="text" name="search" autofocus /></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_2_4_3_AUTOFOCUS', $violations[0]->ruleId);
+    }
+
+    public function testPassesNormalInput(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new AutofocusBanned());
+
+        $violations = $scanner->scan('<div><input type="text" name="search" /></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/BannedSelectorsTest.php b/tests/Rules/BannedSelectorsTest.php
new file mode 100644
index 0000000..0e0361c
--- /dev/null
+++ b/tests/Rules/BannedSelectorsTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\BannedSelectors;
+
+class BannedSelectorsTest extends TestCase
+{
+    public function testFlagsBannedCssSelectorTags(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new BannedSelectors());
+
+        $violations = $scanner->scan('<div><center>Obsolete tag</center><div align="center">Deprecated align</div></div>');
+        $this->assertCount(2, $violations);
+        
+        $ruleIds = array_map(fn($v) => $v->ruleId, $violations);
+        $this->assertContains('BannedSelectors', $ruleIds);
+    }
+
+    public function testPassesSemanticHtml(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new BannedSelectors());
+
+        $violations = $scanner->scan('<div><span style="text-align: center;">Semantic structure</span></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/BlinkTagBannedTest.php b/tests/Rules/BlinkTagBannedTest.php
new file mode 100644
index 0000000..7151887
--- /dev/null
+++ b/tests/Rules/BlinkTagBannedTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\BlinkTagBanned;
+
+class BlinkTagBannedTest extends TestCase
+{
+    public function testFlagsBlinkTag(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new BlinkTagBanned());
+
+        $violations = $scanner->scan('<div><blink>Blinking text!</blink></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_2_2_2_BLINK', $violations[0]->ruleId);
+    }
+
+    public function testPassesNormalSpan(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new BlinkTagBanned());
+
+        $violations = $scanner->scan('<div><span>Normal text</span></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/DuplicateH1Test.php b/tests/Rules/DuplicateH1Test.php
new file mode 100644
index 0000000..bf2e00e
--- /dev/null
+++ b/tests/Rules/DuplicateH1Test.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\DuplicateH1;
+
+class DuplicateH1Test extends TestCase
+{
+    public function testFlagsDuplicateH1(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new DuplicateH1());
+
+        $violations = $scanner->scan('<div><h1>Heading 1</h1><h1>Heading 2</h1></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_3_1_DUPLICATE_H1', $violations[0]->ruleId);
+    }
+
+    public function testPassesSingleH1(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new DuplicateH1());
+
+        $violations = $scanner->scan('<div><h1>Heading 1</h1><h2>Heading 2</h2></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/FormSubmitButtonTest.php b/tests/Rules/FormSubmitButtonTest.php
new file mode 100644
index 0000000..949c7bb
--- /dev/null
+++ b/tests/Rules/FormSubmitButtonTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\FormSubmitButton;
+
+class FormSubmitButtonTest extends TestCase
+{
+    public function testFlagsFormWithoutSubmitButton(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new FormSubmitButton());
+
+        $violations = $scanner->scan('<form><input type="text" name="name" /></form>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_3_2_2_FORM_SUBMIT', $violations[0]->ruleId);
+    }
+
+    public function testPassesFormWithButtonSubmit(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new FormSubmitButton());
+
+        $violations = $scanner->scan('<form><input type="text" name="name" /><button>Submit</button></form>');
+        $this->assertCount(0, $violations);
+    }
+
+    public function testPassesFormWithInputSubmit(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new FormSubmitButton());
+
+        $violations = $scanner->scan('<form><input type="text" name="name" /><input type="submit" value="Go" /></form>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/ImageAltLongTest.php b/tests/Rules/ImageAltLongTest.php
new file mode 100644
index 0000000..651c9ad
--- /dev/null
+++ b/tests/Rules/ImageAltLongTest.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\ImageAltLong;
+
+class ImageAltLongTest extends TestCase
+{
+    public function testFlagsTooLongAltText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ImageAltLong());
+
+        $longAlt = str_repeat("a", 151);
+        $violations = $scanner->scan('<div><img src="pic.png" alt="' . $longAlt . '" /></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_1_1_ALT_LONG', $violations[0]->ruleId);
+    }
+
+    public function testPassesNormalAltText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ImageAltLong());
+
+        $violations = $scanner->scan('<div><img src="pic.png" alt="Short description" /></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/ImageAltPlaceholderTest.php b/tests/Rules/ImageAltPlaceholderTest.php
new file mode 100644
index 0000000..612a9d3
--- /dev/null
+++ b/tests/Rules/ImageAltPlaceholderTest.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\ImageAltPlaceholder;
+
+class ImageAltPlaceholderTest extends TestCase
+{
+    public function testFlagsPlaceholderAltText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ImageAltPlaceholder());
+
+        $violations = $scanner->scan('<div><img src="logo.png" alt="logo" /></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_1_1_ALT_PLACEHOLDER', $violations[0]->ruleId);
+    }
+
+    public function testFlagsFilenameAltText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ImageAltPlaceholder());
+
+        $violations = $scanner->scan('<div><img src="banner.jpg" alt="header_banner.jpg" /></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_1_1_ALT_PLACEHOLDER', $violations[0]->ruleId);
+    }
+
+    public function testPassesDescriptiveAltText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ImageAltPlaceholder());
+
+        $violations = $scanner->scan('<div><img src="banner.jpg" alt="YakNet Static Analysis Console Banner Image" /></div>');
+        $this->assertCount(0, $violations);
+    }
+
+    public function testPassesEmptyAlt(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ImageAltPlaceholder());
+
+        $violations = $scanner->scan('<div><img src="decoration.jpg" alt="" /></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/LinkTextUrlTest.php b/tests/Rules/LinkTextUrlTest.php
new file mode 100644
index 0000000..e3e2b54
--- /dev/null
+++ b/tests/Rules/LinkTextUrlTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\LinkTextUrl;
+
+class LinkTextUrlTest extends TestCase
+{
+    public function testFlagsLinkWithRawUrlText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new LinkTextUrl());
+
+        $violations = $scanner->scan('<div><a href="https://google.com">https://google.com</a></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_2_4_4_LINK_URL', $violations[0]->ruleId);
+    }
+
+    public function testPassesDescriptiveLinkText(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new LinkTextUrl());
+
+        $violations = $scanner->scan('<div><a href="https://google.com">Google Search Engine</a></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/ListStructureTest.php b/tests/Rules/ListStructureTest.php
new file mode 100644
index 0000000..caaeb70
--- /dev/null
+++ b/tests/Rules/ListStructureTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\ListStructure;
+
+class ListStructureTest extends TestCase
+{
+    public function testFlagsInvalidDirectChildrenInList(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ListStructure());
+
+        $violations = $scanner->scan('<ul><div>Invalid</div><li>Valid</li></ul>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_3_1_LIST_STRUCTURE', $violations[0]->ruleId);
+    }
+
+    public function testPassesValidListStructure(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ListStructure());
+
+        $violations = $scanner->scan('<ul><li>Valid 1</li><li>Valid 2</li><script>alert(1);</script></ul>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/PresentationTagsBannedTest.php b/tests/Rules/PresentationTagsBannedTest.php
new file mode 100644
index 0000000..2925d49
--- /dev/null
+++ b/tests/Rules/PresentationTagsBannedTest.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\PresentationTagsBanned;
+
+class PresentationTagsBannedTest extends TestCase
+{
+    public function testFlagsBannedPresentationTags(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new PresentationTagsBanned());
+
+        $violations = $scanner->scan('<div><center>Centered text</center><strike>Strikethrough</strike></div>');
+        $this->assertCount(2, $violations);
+        $this->assertSame('WCAG_1_3_1_PRESENTATION_TAGS', $violations[0]->ruleId);
+        $this->assertSame('WCAG_1_3_1_PRESENTATION_TAGS', $violations[1]->ruleId);
+    }
+
+    public function testPassesCssStyling(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new PresentationTagsBanned());
+
+        $violations = $scanner->scan('<div><span style="text-align: center; text-decoration: line-through;">Styled Text</span></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/ScrollableRegionFocusableTest.php b/tests/Rules/ScrollableRegionFocusableTest.php
new file mode 100644
index 0000000..34272dd
--- /dev/null
+++ b/tests/Rules/ScrollableRegionFocusableTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\ScrollableRegionFocusable;
+
+class ScrollableRegionFocusableTest extends TestCase
+{
+    public function testFlagsScrollableRegionWithoutTabindex(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ScrollableRegionFocusable());
+
+        $violations = $scanner->scan('<div style="overflow: scroll; height: 100px;">Scrollable content</div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_2_1_1_SCROLLABLE_FOCUS', $violations[0]->ruleId);
+    }
+
+    public function testPassesScrollableRegionWithTabindex(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ScrollableRegionFocusable());
+
+        $violations = $scanner->scan('<div style="overflow-y: auto;" tabindex="0">Scrollable content</div>');
+        $this->assertCount(0, $violations);
+    }
+
+    public function testPassesNonScrollableElement(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new ScrollableRegionFocusable());
+
+        $violations = $scanner->scan('<div style="color: blue;">Non-scrollable content</div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/SvgAltTextTest.php b/tests/Rules/SvgAltTextTest.php
new file mode 100644
index 0000000..2c6c71b
--- /dev/null
+++ b/tests/Rules/SvgAltTextTest.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\SvgAltText;
+
+class SvgAltTextTest extends TestCase
+{
+    public function testFlagsSvgWithoutAlt(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new SvgAltText());
+
+        $violations = $scanner->scan('<div><svg width="10"><circle /></svg></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_1_1_SVG', $violations[0]->ruleId);
+    }
+
+    public function testPassesSvgWithAriaLabel(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new SvgAltText());
+
+        $violations = $scanner->scan('<div><svg width="10" aria-label="Company logo"><circle /></svg></div>');
+        $this->assertCount(0, $violations);
+    }
+
+    public function testPassesSvgWithTitle(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new SvgAltText());
+
+        $violations = $scanner->scan('<div><svg width="10"><title>Real Title</title><circle /></svg></div>');
+        $this->assertCount(0, $violations);
+    }
+
+    public function testPassesSvgHidden(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new SvgAltText());
+
+        $violations = $scanner->scan('<div><svg width="10" aria-hidden="true"><circle /></svg></div>');
+        $this->assertCount(0, $violations);
+    }
+}
diff --git a/tests/Rules/TableSummaryBannedTest.php b/tests/Rules/TableSummaryBannedTest.php
new file mode 100644
index 0000000..7287654
--- /dev/null
+++ b/tests/Rules/TableSummaryBannedTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace YakNet\AccessibilityConsole\Tests\Rules;
+
+use PHPUnit\Framework\TestCase;
+use YakNet\AccessibilityConsole\Core\Scanner;
+use YakNet\AccessibilityConsole\Rules\TableSummaryBanned;
+
+class TableSummaryBannedTest extends TestCase
+{
+    public function testFlagsTableWithSummaryAttribute(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new TableSummaryBanned());
+
+        $violations = $scanner->scan('<div><table summary="This table lists details."><tr><td>Data</td></tr></table></div>');
+        $this->assertCount(1, $violations);
+        $this->assertSame('WCAG_1_3_1_TABLE_SUMMARY', $violations[0]->ruleId);
+    }
+
+    public function testPassesTableWithoutSummaryAttribute(): void
+    {
+        $scanner = new Scanner();
+        $scanner->addRule(new TableSummaryBanned());
+
+        $violations = $scanner->scan('<div><table><caption>Details</caption><tr><td>Data</td></tr></table></div>');
+        $this->assertCount(0, $violations);
+    }
+}