Add baoyu-skills package

baoyu-skills/skills/baoyu-cover-image/references/config/watermark-guide.md

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+---
+name: watermark-guide
+description: Watermark configuration guide for baoyu-cover-image
+---
+
+# Watermark Guide
+
+## Position Diagram
+
+```
+┌─────────────────────────────┐
+│                  [top-right]│
+│                             │
+│                             │
+│       COVER IMAGE           │
+│                             │
+│                             │
+│[bottom-left][bottom-center][bottom-right]│
+└─────────────────────────────┘
+```
+
+## Position Recommendations
+
+| Position | Best For | Avoid When |
+|----------|----------|------------|
+| `bottom-right` | Default choice, most common | Title in bottom-right |
+| `bottom-left` | Right-heavy layouts | Key visual in bottom-left |
+| `bottom-center` | Centered designs | Text-heavy bottom area |
+| `top-right` | Bottom-heavy content | Title/header in top-right |
+
+## Content Format
+
+| Format | Example | Style |
+|--------|---------|-------|
+| Handle | `@username` | Social media |
+| Domain | `myblog.com` | Cross-platform |
+| Brand | `MyBrand` | Simple branding |
+| Chinese | `博客名` | Chinese platforms |
+
+## Best Practices
+
+1. **Consistency**: Use same watermark across all covers
+2. **Legibility**: Ensure watermark readable on both light/dark areas
+3. **Size**: Keep subtle - should not distract from content
+
+## Prompt Integration
+
+When watermark is enabled, add to image generation prompt:
+
+```
+Include a subtle watermark "[content]" positioned at [position].
+The watermark should be legible but not distracting from the main content.
+```
+
+## Cover-Specific Considerations
+
+| Aspect Ratio | Recommended Position | Notes |
+|--------------|---------------------|-------|
+| 2.35:1 | bottom-right | Cinematic - keep corners clean |
+| 16:9 | bottom-right | Standard - flexible placement |
+| 1:1 | bottom-center | Square - centered often works better |
+
+## Common Issues
+
+| Issue | Solution |
+|-------|----------|
+| Watermark invisible | Adjust position or check contrast |
+| Watermark too prominent | Change position or reduce size |
+| Watermark overlaps title | Change position or reduce title area |