fix(gui): remove temporary multimodal routing state

packages/client/runtime/tests/client-apply.spec.ts

@@ -74,12 +74,6 @@ describe('runtime client apply', () => {
     expect(workspaces.list.getSnapshot().items[0]?.workspaceId).toBe('w-new')
     // Mux sink and onConnected route without throwing (manager semantics own the behavior).
     bench.sinks?.onMuxEnvelope?.({ rpcId: 'r2' as never, payload: { type: 'stream/error', message: 'x' } as never })
-    bench.sinks?.onDescription?.({ version: '0', cwd: '/f', attachedSessions: 0 })
-    expect((sessions as { hostDescription(): unknown }).hostDescription()).toEqual({
-      version: '0',
-      cwd: '/f',
-      attachedSessions: 0,
-    })
     bench.sinks?.onConnected?.()
   })