Fix PHPDoc annotations and add PostType NAME constant

inc/Admin/Page.php

@@ -131,7 +131,7 @@ class Page implements Registrable {
 	 *
 	 * @since 0.1.0
 	 *
-	 * @var string
+	 * @var string|false
 	 */
 	private string|false $hook_name = false;
 
@@ -245,7 +245,7 @@ private function get_callback(): \Closure {
 	 *
 	 * @since 0.1.0
 	 *
-	 * @return string The hook name of the menu page.
+	 * @return string|false The hook name of the menu page.
 	 */
 	public function get_hook_name(): string|false {
 		return $this->hook_name;

inc/Contracts/PostType.php

@@ -13,4 +13,10 @@
  * @since 0.3.2
  */
 interface PostType {
+	/**
+	 * Post type name.
+	 *
+	 * Implementations are expected to override this.
+	 */
+	public const string NAME = '';
 }

inc/PostMeta.php

@@ -103,9 +103,8 @@ protected function post_type(): string {
 	 *
 	 * @since 0.1.0
 	 *
-	 * @return string Type of the data.
+	 * @return 'array'|'boolean'|'integer'|'number'|'object'|'string' Type of the data.
 	 */
-	/** @return 'array'|'boolean'|'integer'|'number'|'object'|'string' */
 	protected function type(): string {
 		return PostMetaArgs::TYPE_STRING;
 	}

inc/TermMeta.php

@@ -103,9 +103,8 @@ protected function taxonomy(): string {
 	 *
 	 * @since 0.1.0
 	 *
-	 * @return string Type of the data.
+	 * @return 'array'|'boolean'|'integer'|'number'|'object'|'string' Type of the data.
 	 */
-	/** @return 'array'|'boolean'|'integer'|'number'|'object'|'string' */
 	protected function type(): string {
 		return TermMetaArgs::TYPE_STRING;
 	}