Rename sync_status top wp_sync_status and move to top level field of wp_block post type

src/wp-includes/post.php

@@ -8040,14 +8040,14 @@ function use_block_editor_for_post_type( $post_type ) {
 /**
  * Registers any additional post meta fields.
  *
- * @since 6.3.0 Adds sync_status meta field to the wp_block post type so an unsynced option can be added.
+ * @since 6.3.0 Adds `wp_pattern_sync_status` meta field to the wp_block post type so an unsynced option can be added.
  *
  * @link https://github.com/WordPress/gutenberg/pull/51144
  */
 function wp_create_initial_post_meta() {
 	register_post_meta(
 		'wp_block',
-		'sync_status',
+		'wp_pattern_sync_status',
 		array(
 			'sanitize_callback' => 'sanitize_text_field',
 			'single'            => true,

src/wp-includes/rest-api/endpoints/class-wp-rest-blocks-controller.php

@@ -40,6 +40,7 @@ public function check_read_permission( $post ) {
 	 * Filters a response based on the context defined in the schema.
 	 *
 	 * @since 5.0.0
+	 * @since 6.3 Adds the `wp_pattern_sync_status` postmeta property to the top level of response.
 	 *
 	 * @param array  $data    Response data to filter.
 	 * @param string $context Context defined in the schema.
@@ -56,6 +57,9 @@ public function filter_response_by_context( $data, $context ) {
 		unset( $data['title']['rendered'] );
 		unset( $data['content']['rendered'] );
 
+		// Add the core wp_pattern_sync_status meta as top level property to the response.
+		$data['wp_pattern_sync_status'] = isset( $data['meta']['wp_pattern_sync_status'] ) ? $data['meta']['wp_pattern_sync_status'] : '';
+		unset( $data['meta']['wp_pattern_sync_status'] );
 		return $data;
 	}
 

tests/phpunit/tests/rest-api/rest-blocks-controller.php

@@ -220,4 +220,39 @@ public function test_content() {
 			$data['content']
 		);
 	}
+
+	/**
+	 * Check that the `wp_pattern_sync_status` postmeta is moved from meta array to top
+	 * level of response.
+	 *
+	 * @ticket 58677
+	 */
+	public function test_wp_patterns_sync_status_post_meta() {
+		register_post_meta(
+			'wp_block',
+			'wp_pattern_sync_status',
+			array(
+				'single'       => true,
+				'type'         => 'string',
+				'show_in_rest' => array(
+					'schema' => array(
+						'type'       => 'string',
+						'properties' => array(
+							'sync_status' => array(
+								'type' => 'string',
+							),
+						),
+					),
+				),
+			)
+		);
+		wp_set_current_user( self::$user_ids['author'] );
+
+		$request  = new WP_REST_Request( 'GET', '/wp/v2/blocks/' . self::$post_id );
+		$response = rest_get_server()->dispatch( $request );
+		$data     = $response->get_data();
+
+		$this->assertArrayHasKey( 'wp_pattern_sync_status', $data );
+		$this->assertArrayNotHasKey( 'wp_pattern_sync_status', $data['meta'] );
+	}
 }