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- ----
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```
crates/core # 纯逻辑,无 I/O
crates/storage # Async storage traits
crates/runtime # BpmEngine 事件循环
crates/adapters/memory # In-memory storage
crates/adapters/postgres # PostgreSQL storage(新增)
crates/bpmn # BPMN 2.0 XML parser
crates/server/rest # HTTP API(/api/v1/)
crates/worker-sdk # External task worker
```
**演进规划已完成** — 所有 Sprint 1-4 工作项已完成
1. 2.3.
- --