c7dcaed0bf
- reduce color palette to red/cyan/white/gray; alias legacy vars onto CYAN - add show_box_top/mid/bottom, show_separator, show_menu_item, show_prompt helpers to lib/common.sh - update apps/index.sh and tools/index.sh to use new UI helpers instead of inline echo/ANSI - drop BLINK, REV escape codes and remove hardcoded prompt strings from callers