Ultra-Photorealistic Race Event Portrait (9:16)

{   "project_specifications": {     "format": "Single Image",     "aspect_ratio": "9:16",     "aesthetic_style": "Candid Outdoor Event Content",     "rendering_engine_hints": {       "realism_level": "Ultra-photorealistic",       "texture_quality": "High-detail smartphone capture",       "lighting_simulation": "Bright, sunny daylight"     }   },   "global_assets": {     "subject_definition": {       "identity": "Young woman with dark curly hair pulled back, sunglasses perched on her head, smiling broadly",       "wardrobe": {         "outfit": "White long-sleeve shirt, black athletic shorts, white socks, and light-colored sneakers",         "accessories": "A race medal with a ribbon around her neck, holding a clear bottle with green liquid",         "brands": "N/A (visible)"       },       "pose_and_action": {         "stance": "Standing on a grassy area, shielding her eyes from the sun with one hand, smiling",         "expression": "Happy, enthusiastic, looking towards the camera"       }     },     "environment_definition": {       "location": "Open grassy park area during a daytime event",       "background_elements": [         "Crowd of people",         "White tents",         "Trees",         "Sunlight casting distinct shadows"       ],       "atmosphere": "Sunny, bustling outdoor gathering"     }   },   "panel_architecture": [     {       "position": "Full Frame",       "shot_type": "Medium Shot, Handheld Smartphone",       "composition": {         "angle": "Eye-level",         "framing": "Waist-up view of the subject"       }     }   ],   "negative_constraints": {     "avoid": [       "text overlays",       "subtitles",       "captions",       "watermarks",       "logos floating in air",       "speech bubbles",       "banners with text",       "race bibs with text"     ]   } }