• Statistics tab – daily row check history, streak tracking, monthly heatmap, per-project analysis
• Row check, drawing, and marker-add modes auto-reset when leaving the viewer
• Mutual blocking between row check mode and marker-add mode
• Thinner default column marker width for better pattern readability
• Project list pagination (20 per page)
• Removed label text from markers; rename available in the menu
• Row check data now stored separately per project