Lazy-create keyboard, compact scan rows, skip auto-scan at boot; standalone cyd_35r flags with BL=27. Co-authored-by: Cursor <cursoragent@cursor.com>
TFT_BL was wrongly GPIO21 (GT911 INT); use GPIO27, DRAW_BUF_DIV=20, and export firmware/cyd_35r. Co-authored-by: Cursor <cursoragent@cursor.com>