Initial commit: Add Home Assistant skill

- Add homeassistant.skill (packaged version)
- Add skills/homeassistant source directory
- Include scripts for API interaction and validation
- Add comprehensive reference documentation
- Include automation templates
- Add README and .gitignore

README.md

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+# Claude Skills Collection
+
+This repository contains custom Claude Code skills for various use cases.
+
+## Available Skills
+
+### Home Assistant Skill
+
+**Location:** `homeassistant.skill` (packaged) or `skills/homeassistant/` (source)
+
+Comprehensive Home Assistant smart home automation toolkit that helps with:
+- Creating and editing automations in YAML
+- Controlling and querying devices via the Home Assistant API
+- Writing and validating configuration files
+- Troubleshooting automation and configuration issues
+- Understanding Home Assistant concepts (triggers, conditions, actions)
+
+**Features:**
+- Python scripts for API interaction
+- YAML validation tools
+- Pre-built automation templates
+- Comprehensive reference documentation
+- Troubleshooting guides
+
+## Installation
+
+### As Personal Skill (recommended)
+
+```bash
+# Extract and install to personal skills directory
+mkdir -p ~/.claude/skills/homeassistant
+unzip homeassistant.skill -d ~/.claude/skills/
+mv ~/.claude/skills/homeassistant/homeassistant/* ~/.claude/skills/homeassistant/
+rmdir ~/.claude/skills/homeassistant/homeassistant
+```
+
+### As Project Skill
+
+```bash
+# Extract and install to project skills directory
+mkdir -p .claude/skills/homeassistant
+unzip homeassistant.skill -d .claude/skills/
+mv .claude/skills/homeassistant/homeassistant/* .claude/skills/homeassistant/
+rmdir .claude/skills/homeassistant/homeassistant
+```
+
+## Skill Structure
+
+Skills in this repository include:
+- `SKILL.md` - Main skill documentation with YAML frontmatter
+- `scripts/` - Executable Python/Bash scripts
+- `references/` - Detailed documentation loaded as needed
+- `assets/` - Templates and resources for output
+
+## Usage
+
+Skills are automatically activated by Claude Code when relevant to your request. No manual invocation needed.
+
+## Contributing
+
+This is a personal skill collection. Feel free to fork and adapt for your own use.
+
+## License
+
+See individual skill directories for licensing information.