Initial commit: Home automation docs and CODESYS project

- Reorganized project: codesys/, docs/codesys|redesign|integration|reference/, scripts/
- CODESYS project and exports in codesys/
- Documentation index in docs/README.md
- Redesign and light naming configuration
- Water boiler control and safety design

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/integration/homeassistant.md

@@ -0,0 +1,115 @@
+# Home Assistant Configuration
+
+## Overview
+
+Home Assistant provides the user interface (dashboard) and additional automation capabilities for the home automation system.
+
+## Installation
+
+- **Version**: [To be filled]
+- **Installation Type**: [HassOS, Docker, Python venv, etc.]
+- **Host**: [To be filled]
+- **Port**: [To be filled]
+- **URL**: [To be filled]
+
+## Integrations
+
+### MQTT Integration
+
+- **Broker**: [IP/URL]
+- **Port**: [To be filled]
+- **Discovery**: [Enabled/Disabled]
+- **Topics**: [To be filled]
+
+### Node-RED Integration
+
+- **Integration Method**: [MQTT, HTTP, API, etc.]
+- **Configuration**: [To be filled]
+
+### Zigbee Integration
+
+- **Direct Zigbee**: [If Home Assistant has direct Zigbee integration]
+- **Via Zigbee2MQTT**: [Configuration]
+
+## Entities
+
+### Lighting Entities
+
+| Entity ID | Name | Source | Control Method |
+|-----------|------|--------|----------------|
+| [ID] | [Name] | [Source] | [Method] |
+
+### Water Boiler Entity
+
+| Entity ID | Name | Source | Control Method |
+|-----------|------|--------|----------------|
+| [ID] | [Name] | [Source] | [Method] |
+
+### Other Entities
+
+[Add other entities]
+
+## Dashboards
+
+### Main Dashboard
+
+- **Layout**: [Description or screenshot reference]
+- **Cards**: [List of cards/widgets]
+- **Views**: [Different views/pages]
+
+### Mobile Dashboard
+
+[If different from main]
+
+## Automations
+
+### Automation 1: [Name]
+
+- **Trigger**: [Description]
+- **Condition**: [Description]
+- **Action**: [Description]
+
+### Automation 2: [Name]
+
+[Similar structure]
+
+## Scripts
+
+[Document any Home Assistant scripts]
+
+## Scenes
+
+[Document scenes if used]
+
+## Custom Components
+
+- **Custom Components**: [List if any]
+- **Add-ons**: [List if any]
+
+## Configuration Files
+
+- **Configuration Location**: [Path]
+- **Main Config File**: [Path]
+- **Automation Files**: [Path]
+- **Dashboard Files**: [Path]
+
+## Access Control
+
+- **Users**: [To be filled]
+- **API Tokens**: [To be filled - stored securely]
+
+## Troubleshooting
+
+### Common Issues
+
+- [Issue]: [Solution]
+
+### Debugging
+
+- Enable debug logging
+- Check integration status
+- Review logs
+
+---
+
+**Status**: Template - needs configuration details