{"message":"LayoutCraft Backend API","version":"2.0.0","model":"gemini-2.5-flash","available_models":["gemini-2.5-flash","gemini-2.5-pro"],"endpoints":{"generate":"/api/generate (MVP - No Auth)","generate_premium":"/api/generate-premium (Full Features)","health":"/health","auth":"/auth","users":"/users","billing":"/billing","premium":"/premium","advanced":"/advanced"},"mvp_info":{"description":"MVP endpoint available at /api/generate without authentication","rate_limit":"5 requests per minute","dimension_system":"preset-based","default_preset":"blog_header","supported_formats":["png"],"design_templates":["auto","glassmorphism_premium","bold_geometric_solid","textured_organic_patterns","minimal_luxury_space","vibrant_gradient_energy","dark_neon_tech","editorial_magazine_layout"],"prompt_selection_mode":"random","presets_endpoint":"/api/presets"}}