Nomad changes

docs/snippets/php/plugins/plugin_logging.md

@@ -0,0 +1,53 @@
+```php title="PHP"
+<?php declare(strict_types=1);
+
+use Kreuzberg\Kreuzberg;
+
+class LoggingPostProcessor implements PostProcessor {
+    public function name(): string {
+        return "logging-processor";
+    }
+
+    public function version(): string {
+        return "1.0.0";
+    }
+
+    public function initialize(): void {
+        error_log("LoggingPostProcessor initialized");
+    }
+
+    public function shutdown(): void {
+        error_log("LoggingPostProcessor shutting down");
+    }
+
+    public function process(object &$result, object $config): void {
+        error_log("Processing: " . $result->mime_type);
+        error_log("Content length: " . strlen($result->content));
+        error_log("Metadata: " . json_encode($result->metadata));
+    }
+
+    public function processingStage(): string {
+        return "Early";
+    }
+
+    public function shouldProcess(object $result, object $config): bool {
+        // Only log non-empty results
+        return !empty($result->content);
+    }
+
+    public function estimatedDurationMs(object $result): int {
+        // Logging takes minimal time
+        return 1;
+    }
+
+    public function priority(): int {
+        return 10;
+    }
+}
+
+// Register the logging post-processor
+$processor = new LoggingPostProcessor();
+Kreuzberg::registerPostProcessor($processor);
+
+error_log("Logging post-processor registered");
+```