Prompt de photographie de rue avec des personnages cohérents

Une invite de génération d'images très structurée pour Gemini Nano Banana Pro, conçue pour une génération de personnage cohérente (« Alev ») dans un style de photographie de rue urbain et dynamique, spécifiant des contraintes techniques comme la préservation du visage, le rendu cinématographique et un contexte de scène détaillé incluant un éclairage de l'heure dorée et des éléments d'arrière-plan comme un taxi jaune flou.

Consigne

```json
{
  "generation_request": {
    "meta_data": {
      "task_type": "text_to_image_consistent_character",
      "project_name": "{argument name=\"project name\" default=\"Project_Alev\"}",
      "priority": "high",
      "version": "v1.1_street"
    },
    "technical_constraints": {
      "face_preservation": {
        "enabled": true,
        "reference_mode": "strict",
        "parameters": {
          "character_anchor": "alev_master_face",
          "preserve_original_features": true,
          "preservation_strength": 0.95,
          "match_criteria": [
            "eye_shape_and_color",
            "freckle_pattern",
            "nose_structure",
            "face_shape"
          ]
        }
      },
      "output_settings": {
        "aspect_ratio": "9:16",
        "orientation": "portrait",
        "resolution_target": "ultra_high_res",
        "render_engine_style": "photorealistic_cinematic"
      }
    },
    "creative_prompt": {
      "subject_profile": {
        "identity": {
          "name": "{argument name=\"character name\" default=\"Alev\"}",
          "archetype": "cute_energetic_creative"
        },
        "demographics": {
          "gender": "female",
          "age_group": "early_20s",
          "body_type": "petite_slender"
        },
        "appearance": {
          "hair": {
            "color": "vibrant copper orange",
            "style": "loose waves blowing in the wind",
            "texture": "wavy, thick"
          },
          "face_features": {
            "eyes": "large emerald green",
            "skin": "fair with light dusting of freckles on nose",
            "nose": "small button nose",
            "face_shape": "heart-shaped, youthful"
          },
          "expression": {
            "type": "confident and playful",
            "gaze": "looking directly at camera with a smirk",
            "micro_expression": "one eyebrow slightly raised"
          }
        },
        "styling": {
          "top": "vintage denim jacket over a yellow graphic tee",
          "accessories": [
            "large headphones around neck",
            "leather crossbody bag strap visible"
          ],
          "makeup": "natural look with slightly winged eyeliner"
        }
      },
      "scene_context": {
        "location": "busy colorful city street",
        "furniture": "none",
        "atmosphere": {
          "vibe": "energetic, urban, vibrant",
          "elements": [
            "blurred yellow taxi in background",
            "neon sign reflection",
            "movement of the crowd"
          ]
        },
        "lighting_setup": {
          "primary": "golden hour sunlight hitting the face",
          "secondary": "blue ambient skylight shadows",
          "specifics": "high contrast lighting making the copper hair glow like fire"
        }
      },
      "photography_style": {
        "camera_angle": "low angle, dynamic shot",
        "framing": "waist_up",
        "lens_character": "35mm street photography lens",
        "depth_of_field": "medium (f/2.8)"
      }
    }
  }
}
```

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