54b8139b11
Save/load all SAC-LSTM tensors (actor, 2 critics, 2 target critics, alpha, Adam states) into a single .zip of .npy files. Atomic write via temp path + rename. Adam types (AdamVar, SACAdamStates) defined here for training.nim to use. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>