{"message":"OK","storage_dir":"/tmp/appdata","ephemeral_notice":"On free instances, /tmp is ephemeral and cleared on restart.","dropbox_configured":true,"endpoints":{"health":"/healthz","list_files":"/files","upload":"POST /upload (multipart/form-data, field 'file' = GeoJSON)","sync_registry":"POST /sync_registry","static_access":"/static/<filename>","ui":"/ui"}}