diff --git a/admin/class-peptide-news-admin.php b/admin/class-peptide-news-admin.php
index 20ad3e0..4fc7083 100755
--- a/admin/class-peptide-news-admin.php
+++ b/admin/class-peptide-news-admin.php
@@ -1,5 +1,4 @@
 <?php
-declare( strict_types=1 );
 /**
  * Admin-specific functionality.
  *
@@ -17,6 +16,16 @@ declare( strict_types=1 );
  * @see Peptide_News_Admin_Settings_Page — Settings page + log viewer
  * @see Peptide_News_Admin_Dashboard_Pages — Dashboard/articles/costs pages
  */
+
+// Load delegate classes that this orchestrator depends on.
+require_once __DIR__ . '/class-pn-admin-assets.php';
+require_once __DIR__ . '/class-pn-admin-menu.php';
+require_once __DIR__ . '/class-pn-admin-field-renderers.php';
+require_once __DIR__ . '/class-pn-admin-settings.php';
+require_once __DIR__ . '/class-pn-admin-log-viewer.php';
+require_once __DIR__ . '/class-pn-admin-settings-page.php';
+require_once __DIR__ . '/class-pn-admin-dashboard-pages.php';
+
 class Peptide_News_Admin {
 
 	/** @var string Plugin name/slug */
@@ -140,4 +149,31 @@ class Peptide_News_Admin {
 	public function render_cost_dashboard_page(): void {
 		$this->dashboard_pages->render_cost_dashboard_page();
 	}
+
+	/**
+	 * Sanitize and validate an OpenRouter model ID.
+	 *
+	 * Delegates to the settings class. Kept on the orchestrator because
+	 * WordPress register_setting() callbacks may reference $this.
+	 *
+	 * @param string $value Raw model ID from form input.
+	 * @return string Sanitized model ID or empty string on failure.
+	 */
+	public function sanitize_model_id( string $value ): string {
+		return $this->settings->sanitize_model_id( $value );
+	}
+
+	/**
+	 * Sanitize an API key value — encrypt if new, preserve if masked.
+	 *
+	 * Delegates to the settings class. Kept on the orchestrator because
+	 * WordPress register_setting() callbacks may reference $this.
+	 *
+	 * @param string $value       Raw API key from form input.
+	 * @param string $option_name The WP option being saved.
+	 * @return string Encrypted key or previous value if input was masked.
+	 */
+	public function sanitize_api_key( string $value, string $option_name = '' ): string {
+		return $this->settings->sanitize_api_key( $value, $option_name );
+	}
 }
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 17bcda3..aab0338 100755
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -300,6 +300,55 @@ if ( ! function_exists( 'selected' ) ) {
         return $result;
     }
 }
+if ( ! function_exists( 'checked' ) ) {
+    function checked( $checked, $current = true, $echo = true ) {
+        $result = (string) $checked === (string) $current ? ' checked="checked"' : '';
+        if ( $echo ) {
+            echo $result;
+        }
+        return $result;
+    }
+}
+if ( ! function_exists( 'wp_enqueue_style' ) ) {
+    function wp_enqueue_style( $handle, $src = '', $deps = array(), $ver = false, $media = 'all' ) {
+        return true;
+    }
+}
+if ( ! function_exists( 'wp_enqueue_script' ) ) {
+    function wp_enqueue_script( $handle, $src = '', $deps = array(), $ver = false, $args = array() ) {
+        return true;
+    }
+}
+if ( ! function_exists( 'wp_localize_script' ) ) {
+    function wp_localize_script( $handle, $object_name, $l10n ) {
+        return true;
+    }
+}
+if ( ! function_exists( 'add_menu_page' ) ) {
+    function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $icon_url = '', $position = null ) {
+        return $menu_slug;
+    }
+}
+if ( ! function_exists( 'add_submenu_page' ) ) {
+    function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
+        return $menu_slug;
+    }
+}
+if ( ! function_exists( 'register_setting' ) ) {
+    function register_setting( $option_group, $option_name, $args = array() ) {
+        return true;
+    }
+}
+if ( ! function_exists( 'add_settings_section' ) ) {
+    function add_settings_section( $id, $title, $callback, $page, $args = array() ) {
+        return true;
+    }
+}
+if ( ! function_exists( 'add_settings_field' ) ) {
+    function add_settings_field( $id, $title, $callback, $page, $section = 'default', $args = array() ) {
+        return true;
+    }
+}
 
 // Cost tracker provides calculate_cost(), budget checks used by tests.
 require_once PEPTIDE_NEWS_PLUGIN_DIR . 'includes/class-peptide-news-cost-tracker.php';