Seth Van Niekerk d26f619901 feat: add environment controls, API URL display, and improved auto-sizing ...

Features:
- Add ENABLE_UI and ENABLE_API environment variables for deployment flexibility
- Add API URL display textbox with copy button in web interface
- Create /api/calculate-auto-values endpoint to centralize sizing logic
- Dimension overlay now calls API for accurate calculations instead of duplicating logic

Improvements:
- Enhance auto-sizing algorithm with aspect-ratio awareness
- Improve padding calculation using geometric mean formula
- Font detection now uses all available fonts from get_available_fonts()
- API URL includes all parameters (font_path, font_size, padding, etc.)

UI/UX:
- Remove hidden header section and logo copy buttons
- API URL textarea wraps and grows vertically to show full URL
- Clean up unused code and debug console.log statements

Dependencies:
- Add gunicorn==21.2.0 to requirements.txt

Documentation:
- Document environment variables with Docker and Python examples
- Add production deployment guidance
- Update API documentation with font_path parameter
- Add API URL feature to usage instructions

Bug fixes:
- Change debug=False for production
- Remove unused 're' import from app.py

2026-01-17 13:57:47 -05:00

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