RGB Proxy Set up and manage RGB mode for local development — test green, blue, and red domains simultaneously. Use when the user asks to "set up RGB mode", "enable RGB proxy", "test green/blue/red domains", or "run RGB mode". What It Does RGB mode lets you test all three Civitai domain colors (green, blue, red) locally by running a reverse proxy that maps: - → - → - → The Next.js app reads the header to determine which domain color is active, enabling domain-specific feature flags and theming. Setup Steps Run these steps in order. The skill handles everything except the hosts file (which requ…