Render custom graphics onto in-game maps in Minestom — Framebuffer vs LargeFramebuffer, DirectFramebuffer pixel access, Graphics2DFramebuffer (AWT Graphics2D) for shapes/text, MapColors palette, preparePacket/MapDataPacket, and sending updates to players. Use when drawing images/text/HUDs onto map items, building map displays/screens, or pushing dynamic map graphics.
