Hybrid architecture (engine resolves RenderObject blend plan, host blits). Grounded in fresh Ghidra RE of gfx_object_composite/blit + the 0x202/0x203 color workers (renamed+plate-commented, saved). Includes a bounded RE Task-0 (colorkey format, blend-mode source, color/alpha anim coupling). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>