{"status":"online","service":"Battery AI Diagnostics API","version":"2.0.0","endpoints":{"analyze":"/analyze - Upload single CSV file, returns diagnostic PNG image (HIGH QUALITY)","compare":"/compare - Upload two CSV files, returns structured JSON with predictions (optionally includes images)","compare/download":"/compare/download - Upload two CSV files, returns combined comparison PNG image (HIGH QUALITY)"},"improvements":{"image_quality":"High-resolution 2000x1200px+ images with 2.5x scaling","text_size":"Large, readable fonts (20-80pt) optimized for presentations","styling":"Professional layout with proper spacing and visual hierarchy"}}