refactor: 统一项目名称从OpenFang到ZCLAW

重构所有代码和文档中的项目名称，将OpenFang统一更新为ZCLAW。包括：
- 配置文件中的项目名称
- 代码注释和文档引用
- 环境变量和路径
- 类型定义和接口名称
- 测试用例和模拟数据

同时优化部分代码结构，移除未使用的模块，并更新相关依赖项。

docs/archive/v1-viking-dead-code/README.md

@@ -24,4 +24,4 @@ These files formed an isolated dependency island with **zero external consumers*
 ## Reason for Archival
 - No file in `desktop/src/` imports any of these modules
 - The entire chain is self-referential (only imports each other)
-- Functionality has been superseded by OpenFang's native memory/session APIs
+- Functionality has been superseded by ZCLAW's native memory/session APIs