fix(companion): reject pending event waits on teardown

src/companion/runtimeClient.test.ts

@@ -339,6 +339,30 @@ describe('CompanionRuntimeClient', () => {
     await awaited;
   });
 
+  it('waitForEvent rejects immediately when event subscriptions are cleared', async () => {
+    const client = new CompanionRuntimeClient({
+      url: 'ws://127.0.0.1:1',
+    });
+
+    const awaited = expect(
+      client.waitForEvent('agent.stream', { timeoutMs: 10_000 }),
+    ).rejects.toThrow('Event subscriptions cleared');
+    client.clearEventSubscriptions();
+    await awaited;
+  });
+
+  it('waitForEvent rejects immediately on disconnect', async () => {
+    const client = new CompanionRuntimeClient({
+      url: 'ws://127.0.0.1:1',
+    });
+
+    const awaited = expect(
+      client.waitForEvent('agent.stream', { timeoutMs: 10_000 }),
+    ).rejects.toThrow('Disconnected');
+    client.disconnect();
+    await awaited;
+  });
+
   it('waitForAgentStream resolves on agent.stream events', async () => {
     const client = new CompanionRuntimeClient({
       url: 'ws://127.0.0.1:1',