R66 A1-A6：小团队试点收敛与上线验收

server/tests/unit/routes/portal.test.js

@@ -328,6 +328,8 @@ async function buildApp(options = {}) {
 
 describe("portal routes", () => {
   beforeEach(() => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date("2026-04-12T02:00:00.000Z"));
     featureFlagState.portalHome = true;
     featureFlagState.announcements = false;
     featureFlagState.presenceBoard = false;
@@ -342,6 +344,10 @@ describe("portal routes", () => {
     buildTeamPresenceSummary.mockClear();
   });
 
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
   it("extends /portal/home with normalized recentActivities and teamStatusBoard", async () => {
     const recentWorkflowRows = Array.from({ length: 8 }, (_, index) =>
       buildWorkflowRow({

server/tests/unit/workspaceSettings.navigation.test.js

@@ -0,0 +1,47 @@
+const {
+  DEFAULT_MODULE_VISIBILITY,
+  buildDefaultWorkspaceSetting,
+  normalizeModuleVisibilityJson,
+} = require("../../src/services/workspaceSettings");
+
+describe("workspace small-team navigation defaults", () => {
+  it("keeps only the R66 daily path in default main navigation", () => {
+    const mainModules = Object.entries(DEFAULT_MODULE_VISIBILITY)
+      .filter(([, placement]) => placement === "main")
+      .map(([key]) => key);
+
+    expect(mainModules).toEqual([
+      "portal",
+      "team",
+      "leaveRequests",
+      "reimbursements",
+      "assets",
+      "weeklyReports",
+      "todos",
+      "announcements",
+      "projects",
+    ]);
+    expect(DEFAULT_MODULE_VISIBILITY.attendance).toBe("hidden");
+  });
+
+  it("normalizes unknown or invalid module visibility back to the R66 defaults", () => {
+    const normalized = normalizeModuleVisibilityJson({
+      attendance: "main",
+      purchaseRequests: "hidden",
+      unknownModule: "main",
+      budgets: "invalid",
+    });
+
+    expect(normalized.attendance).toBe("main");
+    expect(normalized.purchaseRequests).toBe("hidden");
+    expect(normalized.budgets).toBe(DEFAULT_MODULE_VISIBILITY.budgets);
+    expect(normalized.unknownModule).toBeUndefined();
+  });
+
+  it("builds a small-team internal workspace by default", () => {
+    const workspace = buildDefaultWorkspaceSetting();
+
+    expect(workspace.profile).toBe("small_team_internal");
+    expect(workspace.moduleVisibility.attendance).toBe("hidden");
+  });
+});