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

client_bulk.go

@@ -333,7 +333,7 @@ func clientBulkReleaseSender(c *ClientCommon) bulkReleaseSender {
 			}
 			return c.sendFastBulkControl(ctx, bulkFastPayloadTypeRelease, 0, bulk.dataIDSnapshot(), 0, bulk.fastPathVersionSnapshot(), payload)
 		}
-		return sendBulkReleaseClient(c, BulkReleaseRequest{
+		return sendBulkReleaseClient(ctx, c, BulkReleaseRequest{
 			BulkID: bulk.ID(),
 			DataID: bulk.dataIDSnapshot(),
 			Bytes:  bytes,