fix(menu): show dashboard overview as root item

backend/api/internal/logic/platform/menu_test.go

@@ -8,8 +8,8 @@ func TestPlatformMenusAreStaticTwoDimensionalData(t *testing.T) {
 	}
 	seen := make(map[string]bool)
 	for _, group := range PlatformMenus {
-		if len(group) < 2 {
-			t.Fatal("each platform menu group must include a first-level menu and at least one second-level menu")
+		if len(group) == 0 {
+			t.Fatal("platform menu groups must not be empty")
 		}
 		parent := group[0]
 		if parent.ParentIdentity != "" {
@@ -39,3 +39,24 @@ func TestRootLoadsAllStaticPlatformMenus(t *testing.T) {
 		t.Fatalf("root menu count = %d, want %d", len(menus), len(AllPlatformMenus()))
 	}
 }
+
+func TestPlatformMenuContainsDashboardRoutes(t *testing.T) {
+	want := map[string]string{
+		"dashboard_overview": "/dashboard/overview",
+	}
+	for _, menu := range AllPlatformMenus() {
+		if path, ok := want[menu.Identity]; ok {
+			if menu.Path != path {
+				t.Fatalf("menu %q path = %q, want %q", menu.Identity, menu.Path, path)
+			}
+			delete(want, menu.Identity)
+		}
+	}
+	if len(want) != 0 {
+		t.Fatalf("missing dashboard menus: %#v", want)
+	}
+	menu, ok := FindPlatformMenu("dashboard_overview")
+	if !ok || menu.ParentIdentity != "" || menu.Icon != "icon-dashboard" {
+		t.Fatalf("dashboard overview must be a first-level icon menu: %#v", menu)
+	}
+}