What's New

• Coordinate convention switching — Switch between YZ and XY coordinate conventions directly from the section view, with all markers and dimension lines updating in real time
• Strain and force diagrams — New visualization tab showing strain and force distributions across the section for analysis results
• EN 1990 envelope combinations — Generate envelope load combinations with factor pairs per EN 1990, with governing indicators shown in analysis results
• Centroid and origin markers — Section preview now displays the elastic centroid with dimension lines and origin axes using professional engineering symbols

Improvements

• Improved EN 1990 combination generator dialog with separate Category and ψ-factor columns
• Reinforcement row placement now detects bar-section intersections and warns about bars placed outside the section
• The "Include plastic hardening" steel setting and reinforcement table view settings are now remembered across sessions
• Updated About dialog with company branding and contact links

Bug Fixes

• Fixed scrolling not working in grouped reinforcement table
• Fixed grouping mode not applying correctly when switching views
• General stability improvements to selection visuals and table interactions