Xiuyu Li(@sheriyuo):MemoryWalker models every eviction as a branch in a trajectory tree. Keeping only the final compressed path causes time-travel leakage; replaying the full traversal causes a train-inference mismatch. MemoryWalker: Stop Training Agents on Contexts They Never Saw Paper:

Xiuyu Li

@sheriyuo

Researcher @StepFun_ai | Working on long-horizon tasks | Prev @RUC1937 | Opinions are my own

Joined February 2026

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Xiuyu Li@sheriyuo

2026.09.03 09:06

MemoryWalker models every eviction as a branch in a trajectory tree. Keeping only the final compressed path causes time-travel leakage; replaying the full traversal causes a train-inference mismatch. MemoryWalker: Stop Training Agents on Contexts They Never Saw Paper: