四姿态工作室造型册网格，带身份保留

{
  "generation_request": {
    "meta_data": {
      "task_type": "studio_fashion_editorial_lookbook_quad_pose",
      "language": "en",
      "priority": "highest",
      "version": "v1.1_IVORY_CHIFFON_HALTER_LOOKBOOK_GRID_FACE_MATCH"
    },
    "input": {
      "mode": "image_to_image",
      "reference_image_usage": "high",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "notes": "Use the provided reference image as the facial identity anchor. The model’s FACE must closely match the reference (very similar). Keep the overall lookbook grid style and studio setup. Do NOT change the person into someone else."
    },
    "output": {
      "aspect_ratio": "2:3",
      "resolution": "ultra_high",
      "num_images": 1,
      "layout": {
        "type": "grid",
        "rows": 2,
        "cols": 2,
        "gutter": "thin"
      },
      "sharpness": "high",
      "grain": "subtle_analog"
    },
    "scene": {
      "concept": "minimal studio lookbook collage with soft editorial light",
      "environment": "clean off-white studio wall backdrop, seamless floor, neutral studio setting, no clutter",
      "mood": "elegant, airy, understated, high-end boutique lookbook"
    },
    "subject": {
      "person": "adult woman",
      "identity_consistency": "model across all panels",
      "face_match": "very_high lips",
      "expression": "calm, slightly sultry, neutral editorial gaze",
      "hair": "long dark hair, soft waves, center part (similar to reference), tidy and glossy; allow subtle variation but keep overall match",
      "makeup": "soft neutral glam, defined eyeliner, natural nude lips (match reference makeup vibe)",
      "accessories": "small gold hoop earrings, delicate rings/bracelet",
      "wardrobe": {
        "dress": "ivory / champagne chiffon halter mini dress with high neck band, airy layered bubble hem, semi-sheer flowing fabric, open back with long scarf-like tie draping down"
      },
      "shoes": "minimal strappy heels or sandals in nude/ivory"
    },
    "poses_grid": {
      "panel_1_top_left": "front 3/4 pose, one arm bent with hand resting near neck, relaxed posture",
      "panel_2_top_right": "side profile pose, holding a small ivory woven clutch, looking off-camera",
      "panel_3_bottom_left": "back view showcasing open back and long tie drape, head turned slightly to show profile",
      "panel_4_bottom_right": "front pose with one hand behind head, subtle contrapposto, gaze to the side"
    },
    "camera": {
      "shot_type": "lookbook / editorial",
      "lens": "50mm",
      "aperture": "f/3.2",
      "focus": "tack sharp on face and garment texture, consistent exposure across panels",
      "framing": "full-body to 3/4 body depending on panel, consistent scale"
    },
    "lighting": {
      "setup": "soft key light from camera-left, gentle fill from right, minimal shadow hardness",
      "look": "clean studio editorial, no harsh flash",