都市优雅：霓虹之夜

{
  "meta": {
    "project": "Urban_Flash_Portrait_V2",
    "target_engine": "Stable Diffusion XL (SDXL) / Flux.1",
    "version": "1.0.3",
    "created_at": "2025-12-10T03:00:00Z"
  },
  "engine_configuration": {
    "model": {
      "base": "sd_xl_base_1.0.safetensors",
      "refiner": "sd_xl_refiner_1.0.safetensors",
      "vae": "sdxl_vae.safetensors"
    },
    "sampling": {
      "sampler_name": "DPM++ 2M SDE Karras",
      "steps": 40,
      "cfg_scale": 6.5,
      "clip_skip": 2
    },
    "dimensions": {
      "width": 1024,
      "height": 1536,
      "aspect_ratio": "2:3"
    },
    "seed": -1
  },
  "conditioning_adapters": {
    "ip_adapter": {
      "enabled": true,
      "model": "ip-adapter-faceid-plus_sdxl_vit-h",
      "input_image": "image.png",
      "weight": 0.85,
      "start_at": 0,
      "end_at": 0.9,
      "instruction": "Strict adherence to facial structure and identity."
    },
    "controlnet": {
      "enabled": false,
      "note": "Optional: OpenPose if specific hand placement fails."
    }
  },
  "prompt_construction": {
    "subject_layer": {
      "identity": "photorealistic portrait of a young woman with fair skin",
      "hair": "(messy dark-brown hair bun:1.3), loose strands, flyaways, effortless texture",
      "expression": "c