AI Portrait 프롬프트 | 나노바나나

#selfie, #portrait, #2:3 Gemini Nano Banana 3.0 Prompt: { "image_specification": { "meta": { "aspect_ratio": "2:3", "version": "1.0" }, "input_processing": { "face_reference": { "source": "uploaded_selfie", "identity_preservation": "strict",