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.