**AetherMemory 以太记忆**: Hot-cold hierarchical memory architecture for embodied AI.
Features a millisecond-response LRU hot layer (LuminaCore), zstd-compressed cold store with local/S3 dual backend (AbyssalStore), K-Means cold partitioning (NebulaIndex), two-phase atomic migration with crash recovery, and reinforcement-learning importance updates. Part of the Soulweaver embodied AI infrastructure stack.