Photorealistic Travel Portrait with Identity Lock

Prompt

{   "type": "image_generation_prompt",   "aspect_ratio": "3:4",   "style": "photorealistic travel portrait, cinematic daylight",   "identity_preservation": {     "use_reference_image": true,     "strict_identity_lock": true,     "alter_face": false,     "alter_features": false,     "notes": "Preserve the subject’s face, hair, and natural features exactly as in the reference image."   },   "subject": {     "gender": "female",     "pose": {       "body": "standing by a riverside railing",       "orientation": "body slightly angled toward the river",       "head": "turned to face the camera"     },     "expression": "natural, calm, soft smile",     "appearance": {       "hair": "long, loose, naturally wavy",       "wardrobe": "black long coat, elegant and minimal"     }   },   "environment": {     "location": "{argument name="location" default="London riverside promenade"}",     "landmarks": [       "Tower Bridge clearly visible",       "River Thames",       "modern London skyline in the distance"     ],     "time_of_day": "clear daytime",     "weather": "sunny with blue sky"   },   "lighting": {     "type": "natural daylight",     "direction": "side and front sunlight",     "effects": [       "soft shadows",       "natural highlights on hair and coat",       "clear architectural detail"     ]   },   "camera": {     "shot_type": "medium-full shot",     "angle": "eye-level",     "focus": "sharp focus on subject",     "depth_of_field": "moderate, background slightly softened",     "quality": "HD / ultra-clear"   },   "quality": {     "resolution": "high definition",     "realism": "photorealistic",     "detail_level": "high detail in architecture, water, and textures"   },   "constraints": [     "Do not change facial features",     "Do not alter clothing style",     "No text, logos, or watermarks",     "No artificial filters",     "No distortion of landmarks"   ],   "output_goal": "Create an HD, photorealistic image of the same woman at Tower Bridge, keeping the original setting and outfit, but with her head turned to look directly at the camera in natural daylight." }