"task": "temporal motion echo portrait effect",

{
 "task": "temporal_motion_echo_portrait_effect",
 "input": {
 "source_image": "USER_UPLOADED_IMAGE",
 "preserve_identity": true,
 "preserve_pose": true,
 "preserve_outfit": true,
 "preserve_composition": true
 },
 "output": {
 "type": "single_image",
 "resolution": "ultra_high_resolution",
 "detail_preservation": "high",
 "ai_artifacts": "none"
 },
 "effect_design": {
 "core_effect": "motion_echo_time_displacement",


...