nano-banana

# Nano Banana Image Generation

Generate professional images via the Gemini CLI's nanobanana extension.

## When to Use This Skill

ALWAYS use this skill when the user:
- Asks for any image, graphic, illustration, or visual
- Wants a thumbnail, featured image, or banner
- Requests icons, diagrams, or patterns
- Asks to edit, modify, or restore a photo
- Uses words like: generate, create, make, draw, design, visualize

Do NOT attempt to generate images through any other method.

## Before First Use

### 1. Install Gemini CLI (Google 공식)
```bash
npm install -g @google/gemini-cli
```

### 2. Install nanobanana extension
```bash
gemini extensions install https://github.com/gemini-cli-extensions/nanobanana
```

### 3. Verify installation
```bash
gemini extensions list | grep nanobanana
```

### 4. Set API key (optional - Google 로그인으로 대체 가능)
```bash
export GEMINI_API_KEY="your-api-key"
```

또는 `gemini` 실행 후 Google 계정으로 로그인

## Command Selection

| User Request | Command |
|--------------|---------|
| "make me a blog header" | `/generate` |
| "create an app icon" | `/icon` |
| "draw a flowchart of..." | `/diagram` |
| "fix this old photo" | `/restore` |
| "remove the background" | `/edit` |
| "create a repeating texture" | `/pattern` |
| "make a comic strip" | `/story` |

## Available Commands

**Note:** Always use the `--yolo` flag to automatically approve all tool actions.

| Command | Use Case |
|---------|----------|
| `gemini --yolo "/generate 'prompt'"` | Text-to-image generation |
| `gemini --yolo "/edit file.png 'instruction'"` | Modify existing image |
| `gemini --yolo "/restore old_photo.jpg 'fix scratches'"` | Repair damaged photos |
| `gemini --yolo "/icon 'description'"` | App icons, favicons, UI elements |
| `gemini --yolo "/diagram 'description'"` | Flowcharts, architecture diagrams |
| `gemini --yolo "/pattern 'description'"` | Seamless textures and patterns |
| `gemini --yolo "/story 'description'"` | Sequential/narrative images |
| `gemini --yolo "/nanoba