name, description
| name |
description |
| preferences-schema |
EXTEND.md YAML schema for baoyu-cover-image user preferences |
Preferences Schema
Full Schema
Field Reference
| Field |
Type |
Default |
Description |
version |
int |
3 |
Schema version |
watermark.enabled |
bool |
false |
Enable watermark |
watermark.content |
string |
"" |
Watermark text (@username or custom) |
watermark.position |
enum |
bottom-right |
Position on image |
preferred_type |
string |
null |
Type name or null for auto |
preferred_palette |
string |
null |
Palette name or null for auto |
preferred_rendering |
string |
null |
Rendering name or null for auto |
preferred_text |
string |
title-only |
Text density level |
preferred_mood |
string |
balanced |
Mood intensity level |
default_aspect |
string |
"2.35:1" |
Default aspect ratio |
quick_mode |
bool |
false |
Skip confirmation step |
language |
string |
null |
Output language (null = auto-detect) |
custom_palettes |
array |
[] |
User-defined palettes |
Type Options
| Value |
Description |
hero |
Large visual impact, title overlay |
conceptual |
Concept visualization, abstract core ideas |
typography |
Text-focused layout, prominent title |
metaphor |
Visual metaphor, concrete expressing abstract |
scene |
Atmospheric scene, narrative feel |
minimal |
Minimalist composition, generous whitespace |
Palette Options
| Value |
Description |
warm |
Friendly, approachable — orange, golden yellow, terracotta |
elegant |
Sophisticated, refined — soft coral, muted teal, dusty rose |
cool |
Technical, professional — engineering blue, navy, cyan |
dark |
Cinematic, premium — electric purple, cyan, magenta |
earth |
Natural, organic — forest green, sage, earth brown |
vivid |
Energetic, bold — bright red, neon green, electric blue |
pastel |
Gentle, whimsical — soft pink, mint, lavender |
mono |
Clean, focused — black, near-black, white |
retro |
Nostalgic, vintage — muted orange, dusty pink, maroon |
Rendering Options
| Value |
Description |
flat-vector |
Clean outlines, uniform fills, geometric icons |
hand-drawn |
Sketchy, organic, imperfect strokes, paper texture |
painterly |
Soft brush strokes, color bleeds, watercolor feel |
digital |
Polished, precise edges, subtle gradients, UI components |
pixel |
Pixel grid, dithering, chunky 8-bit shapes |
chalk |
Chalk strokes, dust effects, blackboard texture |
Text Options
| Value |
Description |
none |
Pure visual, no text elements |
title-only |
Single headline |
title-subtitle |
Title + subtitle |
text-rich |
Title + subtitle + keyword tags (2-4) |
Mood Options
| Value |
Description |
subtle |
Low contrast, muted colors, calm aesthetic |
balanced |
Medium contrast, normal saturation, versatile |
bold |
High contrast, vivid colors, dynamic energy |
Position Options
| Value |
Description |
bottom-right |
Lower right corner (default, most common) |
bottom-left |
Lower left corner |
bottom-center |
Bottom center |
top-right |
Upper right corner |
Aspect Ratio Options
| Value |
Description |
Best For |
2.35:1 |
Cinematic widescreen |
Article headers, blog covers |
16:9 |
Standard widescreen |
Presentations, video thumbnails |
1:1 |
Square |
Social media, profile images |
Custom Palette Fields
| Field |
Required |
Description |
name |
Yes |
Unique palette identifier (kebab-case) |
description |
Yes |
What the palette conveys |
colors.primary |
No |
Main colors (array of hex) |
colors.background |
No |
Background color (hex) |
colors.accents |
No |
Accent colors (array of hex) |
decorative_hints |
No |
Decorative elements and patterns |
best_for |
No |
Recommended content types |
Example: Minimal Preferences
Example: Full Preferences
Migration from v2
When loading v2 schema, auto-upgrade:
| v2 Field |
v3 Field |
Migration |
version: 2 |
version: 3 |
Update |
preferred_style |
preferred_palette + preferred_rendering |
Use preset mapping table |
custom_styles |
custom_palettes |
Rename, restructure fields |
Style → Palette + Rendering mapping:
v2 preferred_style |
v3 preferred_palette |
v3 preferred_rendering |
elegant |
elegant |
hand-drawn |
blueprint |
cool |
digital |
chalkboard |
dark |
chalk |
dark-atmospheric |
dark |
digital |
editorial-infographic |
cool |
digital |
fantasy-animation |
pastel |
painterly |
flat-doodle |
pastel |
flat-vector |
intuition-machine |
retro |
digital |
minimal |
mono |
flat-vector |
nature |
earth |
hand-drawn |
notion |
mono |
digital |
pixel-art |
vivid |
pixel |
playful |
pastel |
hand-drawn |
retro |
retro |
digital |
sketch-notes |
warm |
hand-drawn |
vector-illustration |
retro |
flat-vector |
vintage |
retro |
hand-drawn |
warm |
warm |
hand-drawn |
watercolor |
earth |
painterly |
| null (auto) |
null |
null |
Custom style migration:
| v2 Field |
v3 Field |
custom_styles[].name |
custom_palettes[].name |
custom_styles[].description |
custom_palettes[].description |
custom_styles[].color_palette |
custom_palettes[].colors |
custom_styles[].visual_elements |
custom_palettes[].decorative_hints |
custom_styles[].typography |
(removed — determined by rendering) |
custom_styles[].best_for |
custom_palettes[].best_for |
Migration from v1
When loading v1 schema, auto-upgrade to v3:
| v1 Field |
v3 Field |
Default Value |
| (missing) |
version |
3 |
| (missing) |
preferred_palette |
null |
| (missing) |
preferred_rendering |
null |
| (missing) |
preferred_text |
title-only |
| (missing) |
preferred_mood |
balanced |
| (missing) |
quick_mode |
false |
v1 --no-title flag maps to preferred_text: none.