Optional sub-skill of self-media-composer. Generates a custom CSS + JS preset pair from a user's style description. Load this skill when the user chooses "Custom style" in Step 4.1 of the self-media-composer workflow, or explicitly asks to create / design a new visual template. English triggers: - "make a new preset", "create a style for me", "I want a custom template" - "design a theme that looks like…", "generate a matching preset" - User provides a reference image / Figma frame / screenshot and asks for a matching preset Multilingual triggers: - Equivalent custom-style, new-template, theme-design, palette-system, design-system, reference-image, Figma, or screenshot-matching requests in any user language.