Align NFS headers with existing BUI page patterns

Update migrated NFS pages to use the existing HeaderPage contract instead of extending Backstage UI, and move DevTools to real subpages with the legacy DevTools content blueprint removed.

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

plugins/devtools-react/src/devToolsContentBlueprint.tsx

@@ -1,87 +0,0 @@
-/*
- * Copyright 2024 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import {
-  coreExtensionData,
-  createExtensionBlueprint,
-  ExtensionBoundary,
-  RouteRef,
-} from '@backstage/frontend-plugin-api';
-import { JSX } from 'react';
-
-/**
- * Parameters for creating a DevTools route extension
- * @public
- */
-export interface DevToolsContentBlueprintParams {
-  path: string;
-  title: string;
-  loader: () => Promise<JSX.Element>;
-  routeRef?: RouteRef;
-}
-
-/**
- * Extension blueprint for creating DevTools content pages (appearing as tabs)
- *
- * @example
- * ```tsx
- * const myDevToolsContent = DevToolsContentBlueprint.make({
- *  {
- *     params: {
- *       path: 'my-dev-tools',
- *       title: 'My DevTools',
- *       loader: () =>
- *         import('../components/MyDevTools').then(m =>
- *           compatWrapper(<m.MyDevTools />),
- *         ),
- *     },
- *   },
- * });
- * ```
- * @public
- */
-export const DevToolsContentBlueprint = createExtensionBlueprint({
-  kind: 'devtools-content',
-  attachTo: { id: 'page:devtools', input: 'contents' },
-  output: [
-    coreExtensionData.reactElement,
-    coreExtensionData.routePath,
-    coreExtensionData.routeRef.optional(),
-    coreExtensionData.title,
-  ],
-  config: {
-    schema: {
-      path: z => z.string().optional(),
-      title: z => z.string().optional(),
-    },
-  },
-  *factory(params: DevToolsContentBlueprintParams, { node, config }) {
-    const path = config.path ?? params.path;
-    const title = config.title ?? params.title;
-
-    yield coreExtensionData.reactElement(
-      ExtensionBoundary.lazy(node, params.loader),
-    );
-
-    yield coreExtensionData.routePath(path);
-
-    yield coreExtensionData.title(title);
-
-    if (params.routeRef) {
-      yield coreExtensionData.routeRef(params.routeRef);
-    }
-  },
-});

plugins/devtools-react/src/index.ts

@@ -19,7 +19,3 @@
  *
  * @packageDocumentation
  */
-export {
-  type DevToolsContentBlueprintParams,
-  DevToolsContentBlueprint,
-} from './devToolsContentBlueprint';