Initial plan: fix navigation.test.tsx to use memory router

Co-authored-by: IzumiSy <982850+IzumiSy@users.noreply.github.com>

Author: Copilot

packages/core/skills/app-shell-patterns/references/fundamental/components.md

@@ -605,7 +605,7 @@ Types for authoring guard functions used by `WithGuard` and `appShellPageProps.g
 
 ### `RouteParams`, `PageComponent`, `PageMeta`, `AppShellPageProps`, `AppShellRegister`, `ContextData` (types)
 
-Types for declaring page props (`appShellPageProps = { meta, guards }`), reading typed route params, and registering route types globally. See `project-setup.md` for usage.
+Types for declaring page props (`appShellPageProps = { meta, guards, loader }`), reading typed route params, and registering route types globally. See `project-setup.md` for usage.
 
 ---
 

packages/core/skills/app-shell-patterns/references/fundamental/graphql.md

@@ -191,7 +191,7 @@ Every page component:
    };
    ```
 
-3. Uses `appShellPageProps.guards` for permission gates. See [project-setup.md](project-setup.md).
+3. Uses `appShellPageProps.guards` for permission gates and `appShellPageProps.loader` for route loaders. See [project-setup.md](project-setup.md).
 
 ## Quick reference