v1.2.0 - MQTT Integration & Home Assistant Support

What's New in v1.2.0

MQTT Integration

• Full MQTT client with auto-reconnect and Last Will & Testament (LWT)
• Hierarchical topic structure: acrouter/{device_id}/category/name
• Real-time metrics publishing (configurable interval)
• Remote control via MQTT commands
• Configuration via MQTT topics

Home Assistant Auto-Discovery

• Automatic entity creation in Home Assistant
• All sensors: voltage, power (grid/solar/load), currents, dimmer level
• Controls: mode selector, manual dimmer, emergency stop, reboot
• Device grouping with firmware version info

Web UI MQTT Settings

• New MQTT configuration page at /mqtt
• Enable/disable toggle
• Broker URL, credentials configuration
• Device ID and name settings
• Publish interval adjustment
• Connection status indicator

Console Commands (13 new)

• mqtt-status, mqtt-config - View status and configuration
• mqtt-broker, mqtt-user, mqtt-pass - Connection settings
• mqtt-device-id, mqtt-device-name - Device identification
• mqtt-interval, mqtt-ha-discovery - Publishing options
• mqtt-enable, mqtt-disable, mqtt-reconnect, mqtt-publish - Control

Documentation

• Complete MQTT guide (English and Russian)
• Home Assistant integration guide with examples
• Dashboard and automation examples for HA

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Full Changelog: See CHANGELOG.md