template-designer

name	template-designer
description	Visual template selection for image design agents. Generates template variations, renders them as images for user review, and saves the approved visual identity.
type	prompt
version	2.0.0
categories	["design","visual","templates"]

Template Designer

Visual template selection and refinement for squad creation and editing.

When to Use

• During squad creation: when the Design phase identifies an image design agent and the user opts to choose a template
• During squad editing: when the user asks to define, edit, or change the visual identity / template of a design agent
• Trigger: presence of image-creator skill (or similar image-producing skill) in the squad's skill list

Prerequisites

• A squad with a design agent that produces images (uses image-creator skill)
• Squad's _build/ directory must exist (created during Discovery/Design phases)
• image-creator skill installed (for rendering HTML to PNG)

How It Works

1. You read context and base templates
2. You generate 3 adapted HTML template variations
3. You render each as a PNG image using the image-creator skill
4. You present the image file paths to the user for review
5. You iterate with feedback until approval
6. You save the approved template as HTML reference + structured style rules

Generating Templates

Step 0: Read Design Guidelines (MANDATORY)

Before generating any template, read and internalize the design best practices:

• _opensquad/core/best-practices/image-design.md — REQUIRED reading. Contains platform-specific minimum font sizes, typography rules, spacing guidelines, color palette constraints, contrast requirements, and layout methodology. Every template you generate MUST comply with these rules.

Key rules to always follow:

• Font sizes: Hero 58px, Heading 43px, Body 34px, Caption 24px minimum for Instagram carousel (1080x1440). Absolute minimum 20px for any readable text on any platform.
• Font weight: 500 or higher for body text and above.
• Colors: Maximum 5 colors per design system (primary, secondary, accent, background, text).
• Contrast: WCAG AA minimum 4.5:1 for all text against background.
• Layout: CSS Grid or Flexbox only. No absolute positioning for primary content.
• Self-contained HTML: Inline CSS only. Only Google Fonts @import allowed as external resource.
• No slide counters: Never include "1/7" or similar. Instagram has native navigation.

You should also apply general web design best practices: proper white space, visual hierarchy through scale and weight, consistent spacing rhythm, and balanced composition.

HARD RULES — Dimensions and Typography

These rules are NON-NEGOTIABLE. Every template must comply:

Fixed Dimensions (never use height: auto or flexible height):

• Instagram Carousel: width: 1080px; height: 1440px (3:4 portrait)
• Instagram Story/Reel: width: 1080px; height: 1920px (9:16 portrait)
• Instagram Post: width: 1080px; height: 1080px (1:1 square)
• LinkedIn Post: width: 1200px; height: 627px (1.91:1 horizontal)

The root container of every template MUST set explicit width and height in pixels. The template must render at exactly these dimensions — no overflow, no scrolling, no flexible height.

Minimum Font Sizes (Instagram at 1080px width):

• Hero/Title: 58px minimum
• Heading: 43px minimum
• Body text: 34px minimum
• Caption/small text: 24px minimum
• Absolute minimum for ANY readable text on ANY platform: 20px

Font Weight: 500 or higher for body text and above. Never use font-weight below 400 for any visible text.

Templates that violate these rules are rejected — no exceptions.

Step 1: Read Context

Read these files to understand the squad:

• squads/{code}/_build/discovery.yaml — platform, domain, tone, language
• squads/{code}/_build/design.yaml — agents, purpose, skills
• squads/{code}/_investigations/consolidated-analysis.md (if exists) — visual patterns from reference profiles
• _opensquad/_memory/company.md — company name, brand, industry, target audience
• _opensquad/_memory/preferences.md — user preferences (language, style, tone)

Use the company context and user preferences to adapt template content: example text should reflect the company's domain and audience, colors should align with brand if available, and language should match the user's Output Language preference.

Step 2: Read Base Templates

Read the 3 base templates from skills/template-designer/base-templates/:

• model-a.html
• model-b.html
• model-c.html

Step 3: Generate Adapted Variations

For each base template, create an adapted version:

• Adjust colors to match the squad's domain/brand (use Sherlock palette if available, company brand colors from company.md if available)
• Adjust typography following the platform-specific minimum font sizes from image-design.md
• Replace example content with domain-relevant content that reflects the company's industry, audience, and language
• Set the root container to the exact fixed dimensions from HARD RULES above. Never use percentage heights or auto heights.
• Add any visual elements that match the squad's personality
• Apply proper white space, visual hierarchy, and spacing rhythm per image-design.md methodology

Write each adapted template as a complete, self-contained HTML file (with <!DOCTYPE html>, inline CSS, and Google Fonts imports if needed).

Save to:

• squads/{code}/_build/template-a.html
• squads/{code}/_build/template-b.html
• squads/{code}/_build/template-c.html

Step 4: Render as Images

Use the image-creator skill to render each HTML template as a PNG image:

1. Read skills/image-creator/SKILL.md for rendering instructions
2. Render each template HTML to PNG using the image-creator workflow
3. Save rendered images to:
   • squads/{code}/_build/template-a.png
   • squads/{code}/_build/template-b.png
   • squads/{code}/_build/template-c.png

Step 5: Present to User

Present the 3 template options to the user using clickable markdown links with absolute file paths so they can open and review:

"Here are 3 template options for your squad's visual identity:

• preview-a.png — Template A
• preview-b.png — Template B
• preview-c.png — Template C

Click the links above to open each image. Tell me which one you prefer. I can also mix elements from different templates or adjust colors, fonts, and layout."

Important: Always use the full absolute path (e.g., d:\Coding Projects\opensquad\squads\my-squad\_build\template-a.png) inside the markdown link — relative paths are not clickable in the IDE.

Iteration Loop

1. Present template images with clickable markdown links using absolute file paths
2. Wait for user feedback in terminal
3. Generate new version based on feedback — save as template-v2.html, render as template-v2.png, etc.
4. Present updated image with clickable markdown link using absolute file path
5. Repeat until user approves

Saving the Approved Template

When the user approves, create two files:

1. Template Reference HTML

Save to: squads/{code}/pipeline/data/template-reference.html

The complete, self-contained HTML/CSS of the approved template at full resolution (e.g., 1080x1440). This is the literal example the design agent will use.

2. Visual Identity Rules

Save to: squads/{code}/pipeline/data/visual-identity.md

Extract structured rules from the approved template:

# Visual Identity

## Color Palette
- **Primary:** #HEXCODE — usage description
- **Secondary:** #HEXCODE — usage description
- **Background:** #HEXCODE
- **Text:** #HEXCODE
- **Accent:** #HEXCODE — usage description

## Typography
- **Headings:** Font Family, weight, size range
- **Body:** Font Family, weight, size range
- **Caption:** Font Family, weight, size range
- **Minimum sizes:** body 32px, caption 24px, heading 48px

## Layout
- **Viewport:** WIDTHxHEIGHT px
- **Padding:** value
- **Grid:** description
- **Spacing rules:** description

## Composition Rules
- Logo/profile placement: description
- Image treatment: description
- Visual hierarchy: description
- Footer/CTA pattern: description

## Adaptation Rules
- How to handle different viewport sizes
- What stays fixed vs. what adapts
- Color usage rules (when to use primary vs accent)

3. Update Squad Files

If the squad is being created (Build phase hasn't run yet):

• The design.yaml context now includes the template data — Build will pick it up

If the squad already exists (editing flow):

• Add pipeline/data/template-reference.html and pipeline/data/visual-identity.md to squad.yaml data: list
• Update the design agent's .agent.md to reference both files
• Update the design agent's tasks to include the rule: "always follow visual-identity.md and use template-reference.html as the base model"