- Column resize: drag handle between headers to resize column width - SVG outline icons per property type in header (Aa, #, ☰, 📅, ☑, 🔗, ✉, 📞) - Header context menu on click: Show page icon toggle, AI Autofill, Filter, Sort (asc/desc), Group, Calculate (None/Count/Percent), Freeze, Wrap, Insert left/right - Submenus for AI Autofill, Sort, Calculate with nested options - New Page button moved below last data row (bottom of table) - New rows inserted at end of table