Wan 2.2 fresh I2V axis — 3 motion sources + episode #27 (2D-derived, не 4DGS-native)
TASK-113: 3 fresh Wan 2.2 5B Turbo I2V generations с distinct motion prompts (head turn / walking forward / reaching gesture) + demo episode #27 на walking source. Honestly labeled: Wan = 2D diffusion, не 4DGS-native. Acceptable visual variety axis но distinct от main 4DGS commitment.