fix(companion): preserve manual disconnect snapshot metadata

src/companion/runtimeClient.test.ts

@@ -842,6 +842,48 @@ describe('CompanionRuntimeClient', () => {
     });
   });
 
+  it('manual disconnect metadata is not overwritten by local close event', async () => {
+    class FakeWebSocket extends EventEmitter {
+      readyState: number = WebSocket.CONNECTING;
+
+      constructor() {
+        super();
+        queueMicrotask(() => {
+          this.readyState = WebSocket.OPEN;
+          this.emit('open');
+        });
+      }
+
+      send(_payload: string, callback?: (error?: Error) => void): void {
+        callback?.();
+      }
+
+      close(): void {
+        this.readyState = WebSocket.CLOSED;
+        this.emit('close');
+      }
+    }
+
+    const client = new CompanionRuntimeClient({
+      url: 'ws://127.0.0.1:1',
+      websocketFactory: () => new FakeWebSocket() as unknown as WebSocket,
+    });
+    await client.connect();
+
+    client.disconnect(4100, 'manual stop');
+
+    expect(client.getConnectionSnapshot()).toEqual({
+      connected: false,
+      eventSubscriptionCount: 0,
+      pendingRequestCount: 0,
+      pendingEventWaitCount: 0,
+      hasPendingWork: false,
+      idle: true,
+      lastDisconnectCode: 4100,
+      lastDisconnectReason: 'manual stop',
+    });
+  });
+
   it('waitForIdle resolves immediately when no work is pending', async () => {
     const client = new CompanionRuntimeClient({
       url: 'ws://127.0.0.1:1',