修复实体设备不显示问题

- 重写 sensor.py，使用 Home Assistant 内置 MQTT 组件
- 修复配置流程标题显示
- 添加更好的错误处理和日志记录
- 创建 MQTT 测试脚本
- 统一所有日志信息为 JackeryHome

custom_components/JackeryHome/__init__.py

@@ -12,8 +12,8 @@ PLATFORMS = [Platform.SENSOR]
 
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
-    """Set up Energy Monitor from a config entry."""
-    _LOGGER.info("Setting up Energy Monitor integration")
+    """Set up JackeryHome from a config entry."""
+    _LOGGER.info("Setting up JackeryHome integration")
     
     # 存储配置数据
     hass.data.setdefault(DOMAIN, {})
@@ -27,7 +27,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
-    _LOGGER.info("Unloading Energy Monitor integration")
+    _LOGGER.info("Unloading JackeryHome integration")
     
     # 卸载传感器平台
     unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)