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d7695b40e328576f1089ce62be1b0079a80a3d15
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6 Commits
Author SHA1 Message Date
ViperEkura b33250dc28 refactor: decouple tokenizer from Store into Transform layer 
- Extract tokenization/mask/position logic from JsonlStore into TokenizeTransform
- JsonlStore now pure reader: reads JSON records, delegates to transform
- Store no longer imports tokenizer or preprocessing components
- Replace per_record param with segments_are_records class attribute
- Store subclasses declare segment semantics as format-level property
 2026-07-18 21:37:31 +08:00
ViperEkura 841a582b28 refactor: split mask builder by single/multi output 
- Extract SingleOutputMaskBuilder for SFT and pretrain configs
- Extract MultiOutputMaskBuilder for DPO and GRPO configs
- Keep SectionedMaskBuilder as backward-compatible facade
- Register "single" and "multi" names in MaskBuilderFactory
- Add parity and rejection tests for concrete builders
 2026-07-08 21:18:34 +08:00
ViperEkura 31bc7f5c2a refactor : pipeline 策略化拆分，消除 _flush if/else 
- PackingStrategy / PositionIdStrategy / StoreWriter 独立文件 + Factory
- Pipeline._flush 零 if/else，纯编排
- SectionRenderer 从 SectionedMaskBuilder 分离
- OutputConfig.position_ids_mode 默认改为 ""none""
 2026-06-06 00:45:33 +08:00
ViperEkura 01ce1fb9e3 refactor : Pipeline 去除去重，ids 重命名为 sequence，泛型透传 
- 移除 Pipeline 内置去重逻辑及 dedup_signature 工具函数
- 删除 ProcessingConfig.deduplicate 字段
- builder 返回 'sequence' 替代 'ids'，与 dataset 层统一
- pipeline 纯透传，泛型处理任意 key 补齐默认值
 2026-05-31 15:14:27 +08:00
ViperEkura dbe5891201 refactor : 统一 SectionedMaskBuilder，支持可配置 dtype 
- 三合一 MaskBuilder，移除 chat/instruction/text，统一为 sections 配置
- OutputConfig 增加 dtype 字段 (per-key，默认 int32)
- 移除 from __future__ import annotations
- 测试适配新配置格式
 2026-05-31 14:24:10 +08:00
ViperEkura 69207e2c57 refactor : 基于声明式 JSON 配置的预处理管线重构 
- 用工厂注册的 MaskBuilder（chat/instruction/text）替换硬编码的 _transform_* 方法
- mask 规则以 role-to-action 映射声明在配置中，与 chat_template 完全解耦
- 单次编码 + role-span 追踪替代两次编码 + 长度差计算 mask 的方式
- 支持多轮对话训练：所有 assistant 轮次参与训练，而非仅最后一轮
- 新建 astrai.preprocessing 包（builder.py + pipeline.py），删除 astrai/preprocess.py
- CLI 精简为 --config 参数，所有参数通过 PipelineConfig JSON 配置
- 新增 PipelineConfig、InputConfig、ProcessingConfig、OutputConfig dataclass
- 文档：assets/docs/preprocessing.md
- 27 个测试覆盖 mask builder、pipeline、配置序列化、工厂注册
 2026-05-30 20:45:09 +08:00