AlphaAvatar: a self-hostable realtime full-multimodal personal AI assistant runtime

I’ve published a new architecture update covering the work from v0.6.2 to v0.6.4, including the new transport-agnostic perception runtime, RTC adapter boundary, graph-aware Memory, and online ENV Memory: AlphaAvatar v0.6.4: a self-hostable realtime multimodal assistant runtime with shared perception and ENV memory