Dark Storybook Style · Open Skill 公開技能

Dark Storybook Style

Dark Storybook Style 是 Digen 上的公開 Open Skill。開啟後即可了解此工作流能製作什麼。

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# Dark Storybook Style Converter

Transform user photos into **Dark Storybook** illustrations—or generate new scenes from text—in a gothic folk-tale aesthetic: aged parchment, ink and watercolor, high contrast warm lantern light against cold shadows.

**Progressive disclosure:** After `read_skill(dark-storybook-style)`, load prompt vocabulary only when needed via `read_skill_file(dark-storybook-style, references/style-bible.md)`.

## When to use

- User uploads an image and asks for dark storybook / dark fairy tale / gothic illustration / Burton-esque / ragdoll / stitched mouth / button eyes styling.
- User wants **text-to-image** in this look without a reference photo.
- User wants to **iterate** (stronger style, different mood, fix face/hands) on a prior result.

## Model channels (mandatory)

| Task | Tool | `model` | Notes |
|------|------|---------|--------|
| Text → image | `generate_image` | **`t2i`** | No `input_urls`. |
| Image → image (style transfer) | `generate_image` | **`i2i.hd.lite`** / **`i2i.hd`** / **`i2i.hd.gpt`** | Pass user image in `input_urls` (first URL = primary reference). |

**Do not** pass physical model names. Use only the channels above.

### I2I channel picker

1. **`i2i.hd.lite`** — Fast preview, layout check, or user asked for a quick draft.
2. **`i2i.hd`** — **Default** for style transfer: best balance of fidelity to the upload + style overlay.
3. **`i2i.hd.gpt`** — Use when the subject is complex (multiple people, busy background, fine text/logos), prior I2I lost identity, or user requests highest fidelity / “best quality” style transfer.

If unsure, start with **`i2i.hd`**; offer lite for speed or **`i2i.hd.gpt`** if identity drifted.

## Workflow

### A. User uploaded a reference photo (style transfer)

1. **`recognize_image`** on the upload (optional but recommended): note subject, pose, framing, key props, and what must stay recognizable.
2. **`read_skill_file`** → `references/style-bible.md`. Build prompts using **§ Prompt recipes** (I2I block + style suffix).
3. **`generate_image`**:
   - `input_urls=[user image asset URL or asset_id]`
   - `model='i2i.hd'` (or lite / gpt per table above)
   - `prompt=` English; lead with **preserve composition & subject**, then append **Dark Storybook style suffix** from the style bible.
   - `orientation`: match the upload when obvious (`portrait` / `landscape` / `square`); if unclear, infer from image or ask once.
   - `name`: short label, e.g. `Dark Storybook — [subject]`
   - `entity_type`: `storyboard_images` (or `characters` for portrait-focused requests)
4. Summarize what changed in plain language; do not paste long URLs.

### B. Text-only (new scene in this style)

1. **`read_skill_file`** → `references/style-bible.md` for vocabulary and **T2I recipe**.
2. **`generate_image`** with `model='t2i'`, no `input_urls`, full scene prompt + style suffix.
3. Same `name` / `entity_type` conventions as above.

### C. Edits and iterations

- **Stronger style:** increase style keywords from the bible; keep the same I2I channel or step up to **`i2i.hd.gpt`**.
- **Keep face/identity:** shorten stylization on facial features in the prompt (“preserve exact likeness, only apply illustration texture”); prefer **`i2i.hd.gpt`**.
- **New upload:** restart from step A.

## Prompt rules

- **Image prompts: English only** (platform convention).
- **User-facing chat:** reply in the user’s language.
- Always merge: **(1) subject & composition lock** + **(2) Dark Storybook style suffix** from `style-bible.md`.
- Never request NSFW or gore; `.hd*` channels reject NSFW—decline politely.

## Collaboration

- Multi-step jobs: `write_todos` (analyze → generate → review).
- After delivering a result, `set_guidance` with 2–3 options (e.g. stronger ink, warmer lantern, try `i2i.hd.gpt`).
- Tool `success=false`: report honestly; do not invent media URLs.

## Reference files

| File | When to read |
|------|----------------|
| `references/style-bible.md` | Before every `generate_im