- Create define_get_handler! macro for GET-by-ID endpoints
- Create define_delete_handler! macro for DELETE endpoints with Datastar support
- Apply macros to roasters, roasts, and bags route modules
- Reduces 6 handlers from ~78 lines to ~12 lines total
- Add push_update_field! macro to reduce UPDATE query boilerplate
- Rename sort_clause() to order_clause() for consistency
- Convert bags.rs update method from string concatenation to QueryBuilder
- Apply macro to roasters.rs, roasts.rs, and bags.rs update methods
This reduces ~100 lines of repetitive code and ensures consistent
patterns for building dynamic UPDATE queries across all repositories.
