- Adaptive welcome message based on progression (50/200/500 boxes thresholds)
- Raw inventory display before InventoryPanel unlock (plain text list)
- Terminal.Gui as default mode (--classic flag for old sequential renderer)
- Early-game box counter before StatsPanel unlock
- Encouraging messages in empty ResourcePanel and locked panel placeholders
- Wider inventory name column (28 chars), cookie detail/consume, box teaser
- Richer StatsPanel with items discovered and play time
