Changes:
- Refactor project scripts for better dev/prod workflow separation
- Add mock_hardware.py for local development without real hardware
- Add Makefile for common commands
- Add .env.example for environment variable reference
- Split scripts into dev-backend.sh, dev-frontend.sh, prod-backend.sh
- Add stop.sh for clean shutdown
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
FaulknerWu
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