{ "reference_lock": "The uploaded image is the exact first frame. Preserve the

{ "reference_lock": "The uploaded image is the exact first frame. Preserve the same character identity, head shape, long dark hair, beard, body proportions, black button-up shirt, dark trousers, belt, and wristwatch. The face must remain completely smooth and featureless throughout the entire clip: no eyes, eyebrows, nose, mouth, lips, eyelids, or facial openings. Preserve the monument, arch,...