Nomad changes

docs/snippets/php/plugins/plugin_validator.md

@@ -0,0 +1,52 @@
+```php title="PHP"
+<?php declare(strict_types=1);
+
+use Kreuzberg\Kreuzberg;
+
+class ContentQualityValidator implements Validator {
+    private int $minLength = 10;
+    private int $maxLength = 1000000;
+
+    public function name(): string {
+        return "content-quality-validator";
+    }
+
+    public function version(): string {
+        return "1.0.0";
+    }
+
+    public function initialize(): void {
+        // Load validation rules or patterns
+    }
+
+    public function shutdown(): void {
+        // Cleanup resources
+    }
+
+    public function validate(object $result, object $config): void {
+        $contentLength = strlen($result->content);
+
+        if ($contentLength < $this->minLength) {
+            throw new Exception(
+                "Content too short: $contentLength < {$this->minLength} characters"
+            );
+        }
+
+        if ($contentLength > $this->maxLength) {
+            throw new Exception(
+                "Content too long: $contentLength > {$this->maxLength} characters"
+            );
+        }
+    }
+
+    public function priority(): int {
+        return 100;
+    }
+}
+
+// Register the validator
+$validator = new ContentQualityValidator();
+Kreuzberg::registerValidator($validator);
+
+echo "Content quality validator registered\n";
+```