Asset Generation
Use this skill for logos, icon marks, hero/section imagery, and texture motifs.
Trigger
Run when user asks for:
- logo exploration or logo revisions
- better visual assets in design proposals
- proposal-specific imagery
- provider comparison (Recraft, OpenAI, Gemini/Nano Banana)
Core Rules
- Use all three providers during exploratory rounds unless user opts out:
- Recraft - OpenAI Image (gpt-image-1) - Nano Banana Pro (Gemini image model)
- Generate assets in proposal context, not as detached global batch.
- Exploration width must match design uncertainty:
- Early rounds: high style/color diversity - Late rounds: narrow around survivors
- Logos must pass favicon/app-icon constraints:
- flat, simple, low-part count - legible at 16px/24px - works one-color and full-color
- If provider outputs are noisy/illustrative, use a deterministic geometric SVG fallback.
- Treat user-provided logo references as quality primitives only, never literal templates.
- Never produce marks that can be confused with existing company logos.
Reference Archetypes (Quality North Star)
Target mark families like:
- modular rounded blocks
- orbiting dot constellation
- constrained grid/mosaic tiles
- minimalist key/keyhole symbol
- 3x3 dot matrix
- hex-aperture emblem
Avoid mascot illustrations, scene composition, and decorative line clutter.
Reference Use Policy (Hard)
When user provides inspiration logos:
- Extract only abstract qualities:
- simplicity level - geometry type - corner behavior - stroke/fill balance - negative-space strategy
- Do not reuse exact silhouette, arrangement, or recognizable motif from references.
- Do not preserve source colorways unless the user explicitly asks.
- Generate at least 4 structural families per batch before narrowing.
- Reject anything that looks like "same logo with minor tweaks."
This is a hard requirement. "Inspired by" means transferable principles, not copied form.
Complexity Budget (Hard Limits)
Reject marks that exceed:
- 8 primary primitives
- 2 stroke widths
- 2 brand colors + 1 neutral
- more than 1 internal detail per major shape
Accept only marks that remain recognizable at 24px without anti-aliasing blur.
Phase-Aware Breadth
Phase A: Wide Exploration (no clear winner yet)
Per proposal, generate at least:
- 1 Recraft concept
- 1 OpenAI concept
- 1 Nano Banana concept
Diversity matrix (required across batch):
- Geometry: rounded / angular / mixed
- Weight: monoline / medium / bold
- Symbol strategy: abstract / mic-derived / node-derived
- Palette families: warm, cool, neutral, high-contrast, muted
Phase B: Convergence (2-3 survivors)
Per proposal, generate:
- 2 focused variants (best provider + fallback provider)
- tightly constrained palette and stroke system
Provider Routing
| Task | Primary | Secondary |
|---|---|---|
| Minimal vector-like symbol mark | Recraft (icon or simple logo) | OpenAI |
| Text-sensitive wordmark lockups | Nano Banana Pro | OpenAI |
| Stylized hero/section art | Nano Banana Pro | OpenAI/Recraft raster |
| Subtle background motifs | Recraft raster / Nano Banana | OpenAI |
Logo Prompt Contract
Always include:
no textno mockupno shadowsno gradients(unless explicitly testing gradient direction)centered symbolflat icon
Template: [brand intent], [shape language], minimalist flat icon logo, no text, no mockup, no shadows, no gradients, centered symbol, transparent or plain background
Proposal-Context Workflow
For each proposal 7a..7h:
- Read proposal DNA + palette + typography mood.
- Generate 3 logos (Recraft/OpenAI/Nano Banana) using that proposal context.
- Pick best mark for that proposal only.
- Embed into that proposal HTML and tune surrounding spacing/contrast.
- Keep alternates for review.
Do not force one logo family across all proposals during exploratory rounds.
QA Gates (Reject if fails)
- noisy illustration masquerading as logo
- too many micro-details for favicon scale
- style clashes with proposal typography/system
- same colorway/style duplicated across whole batch
- visible gibberish text baked into background assets
- mascot/character or scene illustration instead of symbol mark
- more than one focal object in a logo frame
- obvious resemblance to known logos or user-provided samples
- structural near-duplicate across proposal logos
Deterministic Fallback
When model outputs fail QA, generate a clean SVG mark from geometric primitives. This is not optional for quality: use it to guarantee a production-safe floor.
Output Layout
Use proposal-scoped paths:
.design-evolution/gen-N/assets/logos/7a/recraft-1.svg.design-evolution/gen-N/assets/logos/7a/openai-1.png.design-evolution/gen-N/assets/logos/7a/gemini-1.png.design-evolution/gen-N/assets/textures/7a/*.png
Chosen production candidate:
.design-evolution/gen-N/assets/logos/7a/final.(svg|png)
Minimal Command Patterns
Recraft (symbol mark)
python3 "$ENGINE" --repo "$REPO" recraft icon \
"minimal flat icon mark for Vox Cloud, abstract mic+node, no text, no gradients" \
--colors "#1E5CFF,#111827" --n 3 --out "$OUT"OpenAI (gpt-image-1)
curl -sS https://api.openai.com/v1/images/generations \
-H "Authorization: Bearer $OPENAI_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"gpt-image-1","prompt":"minimal flat icon logo mark, no text, no gradients, no shadows","size":"1024x1024","background":"transparent"}'Nano Banana Pro (Gemini)
curl -sS "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-image:generateContent?key=$GEMINI_API_KEY" \
-H "Content-Type: application/json" \
-d '{"contents":[{"parts":[{"text":"minimal flat icon logo mark, no text, no gradients"}]}],"generationConfig":{"responseModalities":["TEXT","IMAGE"]}}'