refactor: 重构API请求处理架构和用户管理

- 新增JHApiRequestHandler接口支持自定义请求头处理
- 重构JHApiExecutionAbstract为依赖注入提供更好支持
- 优化JHRequestExecution支持用户上下文管理
- 增强Spring Boot自动配置支持请求处理器注入
- 更新版本号至2.0.6
- 删除废弃的JHApiExecution类
- 修正测试类中的命名错误

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

jhinno-openapi-sdk-spring-boot-starter/pom.xml

@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>jhinno-openapi-sdk-spring-boot-starter</artifactId>
-    <version>2.0.5</version>
+    <version>2.0.6</version>
     <packaging>jar</packaging>
     <name>Jhinno OpenAPI SDK for Java SpringBoot Starter</name>
     <description>The Jhinno OpenAPI SDK for Java used for accessing Jhinno OpenApi Service</description>
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>com.jhinno</groupId>
             <artifactId>jhinno-openapi-java-sdk</artifactId>
-            <version>2.0.5</version>
+            <version>2.0.6</version>
         </dependency>
 
         <dependency>