Initial commit: HR Performance System

- Database schema with 31 tables for 4-card system
- LLM API integration (Gemini, DeepSeek, OpenAI)
- Error handling system with modal component
- Connection test UI for LLM services
- Environment configuration files
- Complete database documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.claude/settings.local.json

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