IRIS PROMPT STUDIO V2.6.28 - 128 offline tattoo design presets: 32 hearts, 6 categories and 16 subcategories. - Collapsible preset library; category/subcategory filters, global search and 8-result pagination. - Optional lineweight, composition and description overrides, preserving existing tattoo controls. - Legacy motif fallback for missing preset IDs; saved JSON compatibility retained.