feat: content schema with registered and sampled meta fields

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
2026-09-25 22:04:04 +02:00
parent 261972751f
commit b3f4b7ba65
9 changed files with 600 additions and 0 deletions
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Integrations\WordPress\Schema;
+
+/**
+ * Fields registered with register_meta()/register_post_meta().
+ */
+final class RegisteredMetaSource extends MetaFieldSource
+{
+    private const TYPES = ['string', 'boolean', 'integer', 'number', 'array', 'object'];
+
+    public function id(): string
+    {
+        return 'meta';
+    }
+
+    public function fieldsFor(string $postType): array
+    {
+        $keys = array_merge(get_registered_meta_keys('post', ''), get_registered_meta_keys('post', $postType));
+        $fields = [];
+        foreach ($keys as $key => $args) {
+            $key = (string) $key;
+            $args = is_array($args) ? $args : [];
+            $type = (string) ($args['type'] ?? 'string');
+            $readonly = is_protected_meta($key, 'post') && empty($args['show_in_rest']);
+
+            $fields[] = new FieldDefinition(
+                $key,
+                $key,
+                in_array($type, self::TYPES, true) ? $type : 'unknown',
+                'meta',
+                $readonly ? FieldDefinition::READONLY : FieldDefinition::WRITABLE,
+                false,
+                ! (bool) ($args['single'] ?? false),
+                null,
+                null,
+                (string) ($args['description'] ?? '')
+            );
+        }
+
+        return $fields;
+    }
+}