fix: make navigation sections reachable

tests/unit/navigation-model.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it } from "vitest";
+import type { SectionId } from "@shared/types";
+import {
+  DASHBOARD_NAV_TARGETS,
+  SECTION_NAV_IDS,
+  SETTINGS_NAV_ITEM_DEF,
+  SIDEBAR_NAV_GROUP_DEFS,
+} from "../../src/renderer/navigation";
+
+function sidebarSectionIds(): SectionId[] {
+  return SIDEBAR_NAV_GROUP_DEFS.flatMap((group) => group.items.map((item) => item.id));
+}
+
+describe("renderer navigation model", () => {
+  it("gives every section a stable visible entry", () => {
+    const visibleIds = [...sidebarSectionIds(), SETTINGS_NAV_ITEM_DEF.id];
+
+    expect(new Set(visibleIds).size).toBe(SECTION_NAV_IDS.length);
+    expect(visibleIds).toEqual(expect.arrayContaining(SECTION_NAV_IDS));
+  });
+
+  it("keeps Dashboard targets reachable from the stable navigation model", () => {
+    const visibleIds = new Set([...sidebarSectionIds(), SETTINGS_NAV_ITEM_DEF.id]);
+
+    for (const sectionId of DASHBOARD_NAV_TARGETS) {
+      expect(visibleIds.has(sectionId)).toBe(true);
+    }
+  });
+});