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。

tests/desktop/integration/zclaw-api.test.ts

@@ -1,20 +1,20 @@
 /**
- * OpenFang API Integration Tests
+ * ZCLAW API Integration Tests
  *
  * Uses the mock server to test Hands, Workflows, Security, and Audit APIs
  * via REST endpoints. Does not require WebSocket handshake.
  */
 
 import { afterAll, beforeAll, describe, expect, it } from 'vitest';
-import { createOpenFangMockServer, MockServerInstance } from '../../fixtures/openfang-mock-server';
+import { createZclawMockServer, MockServerInstance } from '../../fixtures/zclaw-mock-server';
 
-describe('OpenFang API Integration', () => {
+describe('ZCLAW API Integration', () => {
   let server: MockServerInstance;
   let baseUrl: string;
   const testPort = 14200;
 
   beforeAll(async () => {
-    server = createOpenFangMockServer({ port: testPort });
+    server = createZclawMockServer({ port: testPort });
     await server.start();
     baseUrl = server.getHttpUrl();
   });