fix: unblock bundled plugin load

src/agents/cli-credentials.test.ts

@@ -8,6 +8,7 @@ const execSyncMock = vi.fn();
 
 describe("cli credentials", () => {
   beforeEach(() => {
+    vi.resetModules();
     vi.useFakeTimers();
   });
 

src/agents/subagent-announce.format.test.ts

@@ -39,6 +39,7 @@ vi.mock("../config/sessions.js", () => ({
   resolveAgentIdFromSessionKey: () => "main",
   resolveStorePath: () => "/tmp/sessions.json",
   resolveMainSessionKey: () => "agent:main:main",
+  readSessionUpdatedAt: vi.fn(() => undefined),
   recordSessionMetaFromInbound: vi.fn().mockResolvedValue(undefined),
 }));