### 🎯 CNC Operation Checklists - **Standardized Procedures**: Pre-built checklist templates for common CNC operations - **Categories**: Setup, Job, Tool Change, Maintenance, Safety, and Shutdown procedures - **Progress Tracking**: Real-time tracking with completion percentage - **Critical Steps**: Highlighted safety-critical items that must be completed - **Time Estimates**: Know how long each checklist should take - **History & Compliance**: Complete record of all completed checklists for quality assurance ### 🔧 Machine Library Enhancements - **Rigidity Factor**: Interactive slider with material capability indicators - **Purchase URLs**: Direct links to where machines can be purchased - **Manufacturer Support**: Phone numbers for manufacturer support - **Improved UI**: Better toast notifications and smoother interactions

### User Experience - **Metric Conversions**: Enter measurements in mm, automatically converts to inches - **Fraction Support**: Enter fractional values (e.g., "1-1/2") in measurement fields - **Search Improvements**: Narrower search box with clear button - **Modal Improvements**: Better scroll behavior and state management

### Fixes - Fixed modal state reset after machine deletion - Resolved toast notification display issues - Fixed enum type conflicts in database - Corrected mm/s to IPM conversion calculations