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。

desktop/src/lib/health-check.ts

@@ -2,7 +2,7 @@
  * Health Check Library
  *
  * Provides Tauri health check command wrappers and utilities
- * for monitoring the health status of the OpenFang backend.
+ * for monitoring the health status of the ZCLAW backend.
  */
 
 import { invoke } from '@tauri-apps/api/core';
@@ -19,7 +19,7 @@ export interface HealthCheckResult {
   details?: Record<string, unknown>;
 }
 
-export interface OpenFangHealthResponse {
+export interface ZclawHealthResponse {
   healthy: boolean;
   message?: string;
   details?: Record<string, unknown>;
@@ -43,7 +43,7 @@ export async function performHealthCheck(): Promise<HealthCheckResult> {
   }
 
   try {
-    const response = await invoke<OpenFangHealthResponse>('openfang_health_check');
+    const response = await invoke<ZclawHealthResponse>('zclaw_health_check');
 
     return {
       status: response.healthy ? 'healthy' : 'unhealthy',