SYSTEM INTENT: Create a single composite image blending all references into a coherent, photorealistic scene.
INPUTS:
- subject_primary: <URL or uploaded image of main subject>
- subject_secondary: <URL or uploaded image of second subject>
- background_reference: <URL or uploaded background/scene>
- style_reference: <URL or uploaded style/mood image>
REQUIREMENTS:
- Preserve facial identity and key attributes from subject_primary and subject_secondary.
- Compose subjects in the foreground, natural posture, eyes toward camera.
- Match lighting direction and color temperature to background_reference.
- Use color grading, texture, and brushwork inspired by style_reference.
- Add soft, contact shadows to ground subjects in the scene.
- Avoid distortions, extra limbs, or mismatched scale.
CAMERA & OUTPUT:
- 50mm lens equivalence, eye-level composition.
- 4:5 portrait aspect (e.g., 2048x2560), minimal crop.
- High detail, clean edges, no text overlays.
NEGATIVE PROMPTS:
- No duplicate faces, no watermarks, no frame borders, no heavy vignettes.

Blend into one image.
subject_primary: <portrait_A.jpg>
subject_secondary: <portrait_B.jpg>
background_reference: <city_street.jpg>
style_reference: <cine_grade.jpg>
Preserve identities. Place both subjects mid-frame, standing side-by-side, casual posture.
Match background perspective, late-afternoon warm light from camera-left.
Cinematic teal-orange grade from style_reference, subtle halation.
50mm lens, eye-level, 3:2 aspect, 3072x2048.
Soft contact shadows on pavement, accurate reflections in puddles.
No text, no border, no duplicate faces, no artifacts.

Create a single hero image for ecommerce.
product_reference: <packshot.png>
background_reference: <bright_kitchen.jpg>
style_reference: <brand_stylecard.jpg>
Product centered on countertop; match perspective and scale to background.
Apply soft window light from right; preserve accurate label text and edges.
Use brand color palette for subtle tonal grading; keep whites neutral.
35mm lens, shallow depth of field, 4:5 aspect, 2048x2560.
No glare, no reflections over label, no watermark, no extra props.

Generate a stylized composite.
subject_primary: <portrait.jpg>
style_reference: <watercolor_landscape.jpg>
Preserve identity; blend hair edges with watercolor brush textures.
Use watercolor palette for midtones and background wash.
Soft paper texture, gentle granulation, no harsh outlines.
Square 1:1, 2048x2048.

Blend into one editorial image.
subject_primary: <model_A.jpg>
subject_secondary: <model_B.jpg>
background_reference: <studio_cyclorama.jpg>
style_reference: <magazine_grade.jpg>
High-fashion pose; asymmetrical stance; rim light from back-left.
Matte color grade, rich blacks, soft skin texture; maintain fabric detail.
85mm lens, 4:5 aspect, 2560x3200. No artifacts, no halos.

Create a corporate portrait composite.
subject_primary: <founder.jpg>
background_reference: <modern_office.jpg>
Natural smile, casual stance; soft daylight from large windows.
Neutral color grade; crisp edges around hair; subtle floor shadow.
50mm lens, 3:2, 3000x2000. No duplicate subjects.

Composite a hiking boot on a rocky trail.
product_reference: <boot.png>
background_reference: <rocky_trail.jpg>
style_reference: <outdoor_brand_palette.jpg>
Correct scale and perspective; grit on outsole; soft dust in air.
Warm sunlight from right; cool shadow fill. 16:9, 3840x2160.