feat: Add Contact Sheet Prompting workflow template

[CodeWithBehnam]

Summary

• Add new advanced workflow template for generating 2×3 contact sheets with 6 camera angles
• Uses Nano Banana Pro Edit for image-to-image generation
• Pre-filled prompt with detailed shot list for film production-style contact sheets

Template Details

The Contact Sheet Prompting template includes:

1. ImageSource node - For selecting a local reference image
2. Prompt node - Pre-filled with detailed contact sheet specifications:
   • Wide shot (24mm lens feel)
   • Medium shot (50mm lens feel)
   • Close-up (85mm lens feel)
   • High angle (35mm lens feel)
   • Low angle (24mm lens feel)
   • Detail/insert shot (100mm macro lens feel)
3. Nano Banana Pro Edit node - For generation
4. Image Output node - For viewing results

Usage

1. Open Template Dialog
2. Select "Contact Sheet Prompting" from Advanced category
3. Drop a reference image into the ImageSource node
4. Optionally customise the prompt
5. Run the workflow

Test plan

• Verify template appears in Template Dialog under "Advanced" category
• Verify loading template creates correct node layout
• Verify ImageSource → Nano Banana Pro Edit → Image Output connections are established
• Verify prompt text is correctly pre-filled

Behnam Ebrahimi