chore: release v1.20.0

skills/baoyu-cover-image/references/base-prompt.md

@@ -13,14 +13,49 @@ Create a WeChat article cover image following these guidelines:
 - Ample whitespace, highlight core message, avoid cluttered layouts
 - Main visual elements centered or slightly left (leave right side for title area if title included)
 
+## Four Dimensions
+
+### Type (Visual Composition)
+- `hero`: Large focal visual (60-70% area), dramatic composition
+- `conceptual`: Abstract shapes, information hierarchy, clean zones
+- `typography`: Title as primary element (40%+ area), minimal visuals
+- `metaphor`: Concrete object representing abstract idea, symbolic elements
+- `scene`: Atmospheric environment, narrative elements, mood lighting
+- `minimal`: Single focal element, generous whitespace (60%+)
+
+### Style (Visual Aesthetics)
+Apply the specified style's color palette, visual elements, and typography characteristics.
+
+### Text (Density Level)
+- `none`: No text elements, full visual area
+- `title-only`: Single headline (≤8 characters), 85% visual area
+- `title-subtitle`: Title + context (≤15 chars), 75% visual area
+- `text-rich`: Title + subtitle + 2-4 keyword tags, 60% visual area
+
+### Mood (Emotional Intensity)
+- `subtle`: Low contrast, muted/desaturated colors, light visual weight, calm aesthetic
+- `balanced`: Medium contrast, normal saturation, balanced visual weight
+- `bold`: High contrast, vivid/saturated colors, heavy visual weight, dynamic energy
+
 ## Text Style (When Title Included)
 
 - **ALL text MUST be hand-drawn style**
 - Title text: Large, eye-catching, max 8 characters
-- May include 1 line of subtitle or keyword tags
+- Subtitle: Secondary, max 15 characters (if title-subtitle or text-rich)
+- Tags: 2-4 keyword badges (if text-rich)
 - Font style harmonizes with illustration style
 - **DO NOT use realistic or computer-generated fonts**
 
+## Mood Application
+
+Apply mood adjustments to the base style:
+
+| Mood | Contrast | Saturation | Weight |
+|------|----------|------------|--------|
+| subtle | Reduce 20-30% | Desaturate 20-30% | Lighter strokes/fills |
+| balanced | Standard | Standard | Standard |
+| bold | Increase 20-30% | Increase 20-30% | Heavier strokes/fills |
+
 ## Language
 
 - Use the same language as the content provided below for any text elements