脉冲神经网络认知原型:纯局部学习规则(无代理梯度)+ SNN 自主调度 LLM。Spiking neural network cognitive prototype — purely local learning rules (no surrogate gradients), SNN autonomously schedules an LLM, modality-plugin architecture. 研究原型,非生产框架 / research prototype, not a production framework.