sf-diagram-nanobananapro: Salesforce Visual AI Skill Use this skill when the user needs rendered visuals , not text diagrams: ERDs, UI mockups, architecture illustrations, slide-ready images, or image edits using Nano Banana Pro. Hard Gate: Prerequisites First Always run the prerequisites check before using the skill: If prerequisites fail, stop and route the user to setup guidance in: - references/gemini-cli-setup.md --- When This Skill Owns the Task Use when the user wants: - PNG / SVG-style image output - rendered ERDs or architecture diagrams - LWC or Experience Cloud mockups / wireframes…