feat(nav): add extraPaths to NavItem — Einstellungen active on /household/staples

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/lib/nav/nav.test.ts

@@ -56,5 +56,35 @@ describe('nav config', () => {
 		it('does not match unrelated route', () => {
 			expect(isActiveRoute('/planner', '/recipes')).toBe(false);
 		});
+
+		it('matches when pathname is in extraPaths', () => {
+			expect(isActiveRoute('/settings', '/household/staples', ['/household/staples'])).toBe(true);
+		});
+
+		it('matches sub-route of extraPath', () => {
+			expect(isActiveRoute('/settings', '/household/staples/edit', ['/household/staples'])).toBe(true);
+		});
+
+		it('does not match extraPath with similar prefix', () => {
+			expect(isActiveRoute('/settings', '/household/staples-old', ['/household/staples'])).toBe(false);
+		});
+
+		it('returns false when extraPaths provided but no match', () => {
+			expect(isActiveRoute('/settings', '/members', ['/household/staples'])).toBe(false);
+		});
+	});
+
+	describe('NavItem extraPaths', () => {
+		it('Einstellungen desktop nav item includes /household/staples in extraPaths', () => {
+			const einstellungen = desktopNavSections
+				.flatMap((s) => s.items)
+				.find((i) => i.href === '/settings');
+			expect(einstellungen?.extraPaths).toContain('/household/staples');
+		});
+
+		it('Einstellungen mobile nav item includes /household/staples in extraPaths', () => {
+			const einstellungen = mobileNavItems.find((i) => i.href === '/settings');
+			expect(einstellungen?.extraPaths).toContain('/household/staples');
+		});
 	});
 });

frontend/src/lib/nav/nav.ts

@@ -2,6 +2,7 @@ export interface NavItem {
 	href: string;
 	label: string;
 	icon: string;
+	extraPaths?: string[];
 }
 
 export interface NavSection {
@@ -13,11 +14,15 @@ export const mobileNavItems: NavItem[] = [
 	{ href: '/planner', label: 'Planer', icon: '📅' },
 	{ href: '/recipes', label: 'Rezepte', icon: '📖' },
 	{ href: '/shopping', label: 'Einkauf', icon: '🛒' },
-	{ href: '/settings', label: 'Einstellungen', icon: '⚙️' }
+	{ href: '/settings', label: 'Einstellungen', icon: '⚙️', extraPaths: ['/household/staples'] }
 ];
 
-export function isActiveRoute(href: string, pathname: string): boolean {
+export function isActiveRoute(href: string, pathname: string, extraPaths?: string[]): boolean {
-	return pathname === href || pathname.startsWith(href + '/');
+	if (pathname === href || pathname.startsWith(href + '/')) return true;
+	if (extraPaths) {
+		return extraPaths.some((p) => pathname === p || pathname.startsWith(p + '/'));
+	}
+	return false;
 }
 
 export const desktopNavSections: NavSection[] = [
@@ -33,7 +38,7 @@ export const desktopNavSections: NavSection[] = [
 		title: 'Haushalt',
 		items: [
 			{ href: '/members', label: 'Mitglieder', icon: '👥' },
-			{ href: '/settings', label: 'Einstellungen', icon: '⚙️' }
+			{ href: '/settings', label: 'Einstellungen', icon: '⚙️', extraPaths: ['/household/staples'] }
 		]
 	}
 ];