fix(notify): 根治低带宽控制面阻塞与传输写入卡死

- 为控制消息增加优先级、公平调度、队列字节预算和自适应批处理
- 支持可取消的写门等待，收紧 shared/dedicated bulk、stream 和 Reply 写入边界
- 修复 bulk reset/close、连接 handoff 和安全 profile 切换时序
- 保留旧取消与超时错误契约，新增阶段化 TransportSendError
- 增加 ReplyCtx、ReplyObjCtx、写超时配置及黑洞连接和竞态回归测试

peer_attach_test_helper_test.go

@@ -20,10 +20,12 @@ func newRunningPeerAttachServerForTest(t *testing.T, configure func(*ServerCommo
 	}
 	stopCtx, stopFn := context.WithCancel(context.Background())
 	queue := stario.NewQueueCtx(stopCtx, 8, math.MaxUint32)
+	inboundDispatcher := newInboundDispatcher()
 	server.setServerSessionRuntime(&serverSessionRuntime{
-		stopCtx: stopCtx,
-		stopFn:  stopFn,
-		queue:   queue,
+		stopCtx:           stopCtx,
+		stopFn:            stopFn,
+		queue:             queue,
+		inboundDispatcher: inboundDispatcher,
 	})
 	server.markSessionStarted()
 
@@ -33,6 +35,7 @@ func newRunningPeerAttachServerForTest(t *testing.T, configure func(*ServerCommo
 	t.Cleanup(func() {
 		transportStop()
 		stopFn()
+		inboundDispatcher.CloseAndWait()
 	})
 	return server
 }