fix: make Target canonical and place Roadmap second

scripts/strategy-navigation.test.mjs

@@ -0,0 +1,19 @@
+import {test} from 'node:test';
+import assert from 'node:assert/strict';
+import {readFileSync, existsSync} from 'node:fs';
+const read = p => readFileSync(p, 'utf8');
+
+test('Strategy has one canonical Target, then Roadmap, without a landing menu duplicate', () => {
+  const sidebar = read('sidebars/strategy.ts').split('strategySidebar: [')[1].split(']')[0];
+  const ids = [...sidebar.matchAll(/'([^']+)'/g)].map(match => match[1]);
+  assert.deepEqual(ids, ['target-operating-model', 'roadmap', 'skills-governance', 'skills-quality', 'skills-adoption', 'measurement', 'skills-maintenance']);
+  assert.equal(ids.filter(id => id === 'target-operating-model').length, 1);
+  assert.match(read('docs/strategy/target-operating-model.mdx'), /^sidebar_label: Target$/m);
+  assert.match(read('docusaurus.config.ts'), /type: 'docSidebar', docsPluginId: 'strategy', sidebarId: 'strategySidebar', label: 'Strategy'/);
+});
+
+test('old Strategy entry redirects to Target instead of maintaining a second document', () => {
+  assert(!existsSync('docs/strategy/index.mdx'));
+  assert.match(read('docusaurus.config.ts'), /'@docusaurus\/plugin-client-redirects'/);
+  assert.match(read('docusaurus.config.ts'), /from: '\/strategy\/', to: '\/strategy\/target-operating-model\/'/);
+});