refactor: DevTools → ethend 重命名 + 加入生产环境

- 目录 devtools/ → ethend/
- CLI 脚本 devtools.sh/.bat → ethend.sh/.bat
- 环境变量 DEVTOOLS_PORT → ETHEND_PORT
- docker-compose.yml 新增 ethend 服务（生产部署）
- 同步更新全部文档、注释和配置文件

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

docker-compose.dev.yml

@@ -74,19 +74,19 @@ services:
       - "8088:8080"
     restart: unless-stopped
 
-  # ========== 开发调试工具 ==========
-  devtools:
-    container_name: cyrene_devtools
+  # ==========管理控制台 ==========
+  ethend:
+    container_name: cyrene_ethend
     build:
-      context: ./devtools
+      context: ./ethend
       dockerfile: Dockerfile
     environment:
-      DEVTOOLS_PORT: "9090"
+      ETHEND_PORT: "9090"
       GATEWAY_URL: http://gateway:8080
       AI_CORE_URL: http://ai-core:8081
       MEMORY_SERVICE_URL: http://memory-service:8091
       VOICE_SERVICE_URL: http://voice-service:8093
-      PLATFORM_BRIDGE_URL: http://platform-bridge:8095
+      IOT_DEBUG_SERVICE_URL: http://iot-debug-service:8083
       ADMIN_USERNAME: admin
       ADMIN_PASSWORD: cyrene-dev-admin
     ports: