Nomad changes

docs/snippets/c/plugins/list_plugins.md

@@ -0,0 +1,25 @@
+```c title="C"
+#include <kreuzberg.h>
+#include <stdio.h>
+
+static void print_plugin_list(const char *label, char *json) {
+    if (!json) {
+        fprintf(stderr, "list %s failed (code %d): %s\n",
+                label,
+                kreuzberg_last_error_code(),
+                kreuzberg_last_error_context());
+        return;
+    }
+    printf("%s: %s\n", label, json);
+    kreuzberg_free_string(json);
+}
+
+int main(void) {
+    print_plugin_list("document extractors", kreuzberg_list_document_extractors());
+    print_plugin_list("OCR backends", kreuzberg_list_ocr_backends());
+    print_plugin_list("post-processors", kreuzberg_list_post_processors());
+    print_plugin_list("validators", kreuzberg_list_validators());
+    print_plugin_list("embedding presets", kreuzberg_list_embedding_presets());
+    return 0;
+}
+```