Initial K3 snapshot: 0.5B KDA/MLA/MoE train path

Standalone tree split from LLMRL/projects/kda. Includes Triton dt_bias backward fix, train_k3 --preset 0.5b, SFT, Docker runtime, and tests.
2026-08-25 14:43:17 +08:00
commit 584f7e9e73
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+"""Incremental recurrent KDA implementations and state containers."""
+
+from .fused import KDAState, fused_recurrent_kda, fused_recurrent_kda_step
+
+__all__ = ["KDAState", "fused_recurrent_kda", "fused_recurrent_kda_step"]