[DOC] Add "Prompt Engineering" Guide to p-image-edit for Structural & Multi-Image consistency

[Batsirai]

What part of the documentation do you want to update?

I want to update the p-image-edit Performance Model documentation.

Currently, the documentation defines the API parameters (e.g., images, prompt, strength) but lacks a specific guide on how to structure the text prompt itself.[1] Users coming from Midjourney or DALL-E often fail because they use descriptive prompts ("A boy sitting on a chair") rather than the imperative/command-based prompts required by Pruna's editing architecture ("Place the boy from Image 1 on a chair").

What changes do you want to make?

I propose adding a "Prompt Engineering Best Practices" section to the p-image-edit page that outlines the following logic for better user results:

1. The "Imperative" Rule (Instruction vs. Description)

Explain that p-image-edit acts like a photo editor, not a painter.

Bad: "A cute boy standing in a forest."[1]

Good: "Place the boy from Image 1 in a forest. Make him look at the camera."

2. The Multi-Image Reference Syntax

Explicitly document the syntax for anchoring characters when using the images array:

"Using the character from Image 1, [action]..."

Explain that this specific phrase triggers better consistency than generic terms like "the boy" or "he."

3. The "Golden Formula" for Scene Composition
   Suggest a standard prompt structure for consistent scenes:
   [ACTION & PLACEMENT] + [EMOTION & POSE] + [BACKGROUND & COMPOSITION]

4. Composition & Negative Space Tips

Add a specific tip for users creating layouts for text overlay (e.g., book covers, ads).

Explain that standard prompts center the subject, so users must be aggressive with directional commands:

"Position the character on the far right third of the image, leaving the left side as open negative space."

Sources
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Pruna AI p-image-edit prompt syntax guide
Pruna p-image-edit documentation prompt engineering
Pruna p-image-edit imperative vs descriptive prompt

[davidberenstein1957]

@Batsirai, feel free to tackle this if you have some time. Otherwise, we'll get to it for sure.