test(FN-4907): cover stale settings invalidation and sync refresh paths

Fusion-Task-Id: FN-4907
Fusion-Task-Lineage: e84d5357-0719-4cc7-ab3f-f665ac83b218

packages/cli/src/commands/__tests__/daemon.test.ts

@@ -573,6 +573,7 @@ vi.mock("@fusion/engine", async (importOriginal) => {
   PeerExchangeService: vi.fn().mockImplementation(() => ({
     start: vi.fn(),
     stop: vi.fn().mockResolvedValue(undefined),
+    updateGlobalSettings: vi.fn(),
   })),
   TriageProcessor: mocks.triageCtor,
   TaskExecutor: mocks.executorCtor,

packages/cli/src/commands/__tests__/dashboard.test.ts

@@ -715,6 +715,7 @@ vi.mock("@fusion/engine", async (importOriginal) => {
     PeerExchangeService: vi.fn().mockImplementation(() => ({
       start: vi.fn(),
       stop: vi.fn().mockResolvedValue(undefined),
+      updateGlobalSettings: vi.fn(),
     })),
     shouldUseHybridExecutor: mockShouldUseHybridExecutor,
     HybridExecutor: mockHybridExecutorCtor,
@@ -2626,6 +2627,7 @@ describe("runDashboard — mesh lifecycle ownership", () => {
     expect(peerExchangeCtor.mock.calls.length).toBeGreaterThan(baselineCalls);
     const peerExchangeInstance = peerExchangeCtor.mock.results.at(-1)?.value;
     expect(peerExchangeInstance.start).toHaveBeenCalledTimes(1);
+    expect(peerExchangeInstance.updateGlobalSettings).toHaveBeenCalledTimes(1);
     expect(startDiscovery).toHaveBeenCalledWith(expect.objectContaining({
       broadcast: true,
       listen: true,