- batch_reassess --shard K/N: index%N==K分片,N进程互不重叠 - llm_client LLM_KEY_OFFSET: key池起始位错开,避免N进程压同一首选key - SKIP_FLUSH=1时worker不发摘要,parallel_batch.sh收尾统一flush - parallel_batch.sh: N路并行+等待+统一digest