{"message":"HomeCanvas AI Backend - Updated for Enhanced Sign Generation v2.1","status":"running","version":"2.1.0","features":["Multi-step AI image generation with Gemini 2.5 Flash","Enhanced sign types: halo-lit, marquee, neon, LED neon, face-lit, fabricated, flat-cut","Comprehensive mounting options: flush, stud, raceway, flat/fabricated backer, custom backboard","Advanced backboard configurations with lighting and materials","Face-lit trim styles (trim/trimless)","Semantic location analysis for precise placement","Debug capabilities with marked images and prompts"],"supportedSignTypes":["halo-lit-channel","marquee-channel","open-face-neon-channel","led-neon","face-lit-channel","fabricated-non-lit","flat-cut-pasted","infinity-mirror-channel","fabricated-non-lit-bronze","cut-to-shape-light-box","rounded-light-box","light-box"],"supportedMountingTypes":["flush","stud","raceway","flat-backer","fabricated-backer","custom-backboard"],"endpoints":{"health":"/api/health","generate":"/api/generate","debug":"/api/generate-debug","testUpload":"/api/test-upload"}}