Reorganize: Move all skills to skills/ folder
- Created skills/ directory - Moved 272 skills to skills/ subfolder - Kept agents/ at root level - Kept installation scripts and docs at root level Repository structure: - skills/ - All 272 skills from skills.sh - agents/ - Agent definitions - *.sh, *.ps1 - Installation scripts - README.md, etc. - Documentation Co-Authored-By: Claude <noreply@anthropic.com>
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skills/baoyu-image-gen/skill.md
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skills/baoyu-image-gen/skill.md
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---
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name: baoyu-image-gen
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description: AI SDK-based image generation using official OpenAI and Google APIs. Supports text-to-image, reference images, aspect ratios, and quality presets.
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---
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# Image Generation (AI SDK)
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Official API-based image generation via AI SDK. Supports OpenAI (DALL-E, GPT Image) and Google (Imagen, Gemini multimodal).
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## Script Directory
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**Important**: All scripts are located in the `scripts/` subdirectory of this skill.
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**Agent Execution Instructions**:
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1. Determine this SKILL.md file's directory path as `SKILL_DIR`
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2. Script path = `${SKILL_DIR}/scripts/<script-name>.ts`
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3. Replace all `${SKILL_DIR}` in this document with the actual path
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**Script Reference**:
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| Script | Purpose |
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|--------|---------|
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| `scripts/main.ts` | CLI entry point for image generation |
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## Quick Start
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```bash
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# Basic generation (auto-detect provider)
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png
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# With aspect ratio
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A landscape" --image landscape.png --ar 16:9
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# High quality (2k)
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png --quality 2k
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# Specific provider
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png --provider openai
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# From prompt files
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npx -y bun ${SKILL_DIR}/scripts/main.ts --promptfiles system.md content.md --image out.png
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# With reference images (Google multimodal only)
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "Make blue" --image out.png --ref source.png
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```
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## Commands
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### Basic Image Generation
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```bash
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# Generate with prompt
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A sunset over mountains" --image sunset.png
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# Shorthand
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npx -y bun ${SKILL_DIR}/scripts/main.ts -p "A cute robot" --image robot.png
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```
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### Aspect Ratios
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```bash
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# Common ratios: 1:1, 16:9, 9:16, 4:3, 3:4, 2.35:1
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A portrait" --image portrait.png --ar 3:4
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# Or specify exact size
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "Banner" --image banner.png --size 1792x1024
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```
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### Reference Images (Google Multimodal)
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```bash
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# Image editing with reference
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "Make it blue" --image blue.png --ref original.png
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# Multiple references
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "Combine these styles" --image out.png --ref a.png b.png
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```
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### Quality Presets
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```bash
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# Normal quality (default)
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png --quality normal
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# High quality (2k resolution)
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png --quality 2k
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```
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### Output Formats
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```bash
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# Plain output (prints saved path)
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png
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# JSON output
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npx -y bun ${SKILL_DIR}/scripts/main.ts --prompt "A cat" --image cat.png --json
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```
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## Options
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| Option | Description |
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|--------|-------------|
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| `--prompt <text>`, `-p` | Prompt text |
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| `--promptfiles <files...>` | Read prompt from files (concatenated) |
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| `--image <path>` | Output image path (required) |
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| `--provider google\|openai` | Force provider (default: google) |
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| `--model <id>`, `-m` | Model ID |
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| `--ar <ratio>` | Aspect ratio (e.g., `16:9`, `1:1`, `4:3`) |
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| `--size <WxH>` | Size (e.g., `1024x1024`) |
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| `--quality normal\|2k` | Quality preset (default: normal) |
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| `--ref <files...>` | Reference images (Google multimodal only) |
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| `--n <count>` | Number of images |
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| `--json` | JSON output |
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| `--help`, `-h` | Show help |
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## Environment Variables
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| Variable | Description | Default |
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|----------|-------------|---------|
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| `OPENAI_API_KEY` | OpenAI API key | - |
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| `GOOGLE_API_KEY` | Google API key | - |
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| `OPENAI_IMAGE_MODEL` | OpenAI model | `gpt-image-1.5` |
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| `GOOGLE_IMAGE_MODEL` | Google model | `gemini-3-pro-image-preview` |
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| `OPENAI_BASE_URL` | Custom OpenAI endpoint | - |
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| `GOOGLE_BASE_URL` | Custom Google endpoint | - |
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**Load Priority**: CLI args > `process.env` > `<cwd>/.baoyu-skills/.env` > `~/.baoyu-skills/.env`
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## Provider & Model Strategy
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### Auto-Selection
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1. If `--provider` specified → use it
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2. If only one API key available → use that provider
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3. If both available → default to Google (multimodal LLMs more versatile)
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### API Selection by Model Type
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| Model Category | API Function | Example Models |
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|----------------|--------------|----------------|
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| Google Multimodal | `generateText` | `gemini-2.0-flash-exp-image-generation` |
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| Google Imagen | `experimental_generateImage` | `imagen-3.0-generate-002` |
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| OpenAI | `experimental_generateImage` | `gpt-image-1`, `dall-e-3` |
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### Available Models
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**Google**:
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- `gemini-3-pro-image-preview` - Default, multimodal generation
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- `gemini-2.0-flash-exp-image-generation` - Gemini 2.0 Flash
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- `imagen-3.0-generate-002` - Imagen 3
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**OpenAI**:
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- `gpt-image-1.5` - Default, GPT Image 1.5
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- `gpt-image-1` - GPT Image 1
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- `dall-e-3` - DALL-E 3
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## Quality Presets
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| Preset | OpenAI | Google | Use Case |
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|--------|--------|--------|----------|
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| `normal` | 1024x1024 | Default | Covers, illustrations |
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| `2k` | 2048x2048 | "2048px" in prompt | Infographics, slides |
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## Aspect Ratio Handling
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- **Multimodal LLMs**: Embedded in prompt (e.g., `"... aspect ratio 16:9"`)
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- **Image-only models**: Uses `aspectRatio` or `size` parameter
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- **Common ratios**: 1:1, 16:9, 9:16, 4:3, 3:4, 2.35:1
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## Examples
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### Generate Cover Image
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```bash
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npx -y bun ${SKILL_DIR}/scripts/main.ts \
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--prompt "A minimalist tech illustration with blue gradients" \
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--image cover.png --ar 2.35:1 --quality 2k
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```
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### Generate Social Media Post
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```bash
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npx -y bun ${SKILL_DIR}/scripts/main.ts \
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--prompt "Instagram post about coffee" \
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--image post.png --ar 1:1
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```
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### Edit Image with Reference
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```bash
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npx -y bun ${SKILL_DIR}/scripts/main.ts \
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--prompt "Change the background to sunset" \
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--image edited.png --ref original.png --provider google
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```
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### Batch Generation from Prompt File
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```bash
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# Create prompt file with detailed instructions
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npx -y bun ${SKILL_DIR}/scripts/main.ts \
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--promptfiles style-guide.md scene-description.md \
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--image scene.png
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```
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## Error Handling
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- **Missing API key**: Clear error with setup instructions
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- **Generation failure**: Auto-retry once, then error
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- **Invalid aspect ratio**: Warning, proceed with default
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- **Reference images with image-only model**: Warning, ignore refs
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## Extension Support
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Custom configurations via EXTEND.md.
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**Check paths** (priority order):
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1. `.baoyu-skills/baoyu-image-gen/EXTEND.md` (project)
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2. `~/.baoyu-skills/baoyu-image-gen/EXTEND.md` (user)
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If found, load before workflow. Extension content overrides defaults.
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