Wan-2.2 A14B Prompt: 5-second vertical 9:16 photorealistic video. A small child stands beside a sofa while a fluffy golden puppy stands a few steps away on the rug. The puppy makes two small playful barks and slowly walks backward. The child smiles and carefully takes a few tiny steps toward the puppy. The puppy stops, turns around and gently nuzzles the child. The child laughs happily. Real smartphone footage, natural daylight, realistic skin, realistic fur, natural movement, authentic expressions, subtle handheld camera movement, realistic physics, cozy home environment. Keep both characters consistent with the reference image. No scene changes, no morphing, no distorted faces or bodies, no cartoon style, continue the script from the image attached.