docs(integration): 移除示例代码并更新配置说明- 删除设备集成测试中的默认配置启用示例

- 移除了消息集成组件中的示例引用
- 更新ZT-Message集成概述，去除对旧文档的引用
- 简化目录结构展示，移除example模块
- 清理冗余的配置键值说明- 统一删除各模块下的example目录引用
- 优化文档结构，提高可读性

src/main/java/com/ycwl/basic/integration/CLAUDE.md

@@ -34,8 +34,7 @@ service/
 ├── client/          # Feign clients for HTTP calls
 ├── config/          # Service-specific configuration
 ├── dto/             # Data transfer objects
-├── service/         # Service layer with business logic
-└── example/         # Usage examples
+└── service/         # Service layer with business logic
 ```
 
 ## Integration Fallback Mechanism
@@ -792,13 +791,6 @@ mvn test -Dtest=DefaultConfigIntegrationServiceTest
 
 # Run all device integration tests (including default configs)
 mvn test -Dtest="com.ycwl.basic.integration.device.*Test"
-
-# Enable example runner in application-dev.yml
-integration:
-  device:
-    example:
-      default-config:
-        enabled: true
 ```
 
 ### Common Configuration Keys
@@ -820,8 +812,7 @@ com.ycwl.basic.integration.{service-name}/
 ├── client/
 ├── config/
 ├── dto/
-├── service/
-└── example/
+└── service/
 ```
 
 ### 2. Add Configuration Properties
@@ -1171,7 +1162,7 @@ fallbackService.clearAllFallbackCache("zt-render-worker");
 ## ZT-Message Integration (Kafka Producer)
 
 ### Overview
-The zt-message microservice accepts messages via Kafka on topic `zt-message`. This integration provides a simple producer service to publish notification messages as per docs/kafka-java-producer.md.
+The zt-message microservice accepts messages via Kafka on topic `zt-message`. This integration provides a simple producer service to publish notification messages.
 
 - Topic: `zt-message`
 - Key: Use `channelId` for partitioning stability
@@ -1180,7 +1171,6 @@ The zt-message microservice accepts messages via Kafka on topic `zt-message`. Th
 ### Components
 - `com.ycwl.basic.integration.message.dto.ZtMessage`: DTO for message body
 - `com.ycwl.basic.integration.message.service.ZtMessageProducerService`: Producer service using Spring Kafka
-- Example: `com.ycwl.basic.integration.message.example.ZtMessageProducerExample`
 
 ### Configuration
 ```yaml