{"name":"Arch3D Backend API","version":"1.0.0","status":"running","phase":"Phase 3 - OpenCV + DeepSeek V4","endpoints":{"upload":"/api/v1/upload-plan","prompt":"/api/v1/process-prompt","generate":"/api/v1/generate","photo_to_plan":"/api/v1/photo-to-plan","schema":"/api/v1/schema","health":"/api/v1/health"}}