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fix(dashscope-image-gen): 默认模型改为 gpt-image-2 v1.4.0 (#29)

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## Summary

上游 proxy (desirecore-cloud at api.yizhioa.cn) 仅支持 `gpt-image-2`
图片生成模型，`wan2.7-image` 返回 `model_price_error`。

The upstream proxy (desirecore-cloud) only supports `gpt-image-2` for
image generation. `wan2.7-image` returns `model_price_error`.

### Changes

- Default model changed from `wan2.7-image` → `gpt-image-2`
- `wan2.7-image` / `wan2.7-image-pro` kept as optional (requires
user-configured DashScope provider)
- Added auto-fallback strategy: `model_price_error` → retry with
`gpt-image-2`
- Size values adapted for gpt-image-2: `1536x1024` / `1024x1536`
- Skill display name updated: 阿里云 文生图 → AI 文生图
- Market version: 1.2.4 → 1.2.5, skill version: 1.3.0 → 1.4.0

### Test

- `gpt-image-2` via `/images/generations` endpoint: verified working
(b64_json response, 1.5MB PNG)
- Upload to media-store: verified working
- `dc-media://` rendering: verified working
This commit is contained in:
谢源祥
2026-06-15 01:14:53 +08:00
committed by GitHub
parent 19599c4051
commit 51f4837933
3 changed files with 63 additions and 58 deletions
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82
skills/dashscope-image-gen/SKILL.md
View File

@@ -1,14 +1,14 @@
---
name: dashscope-image-gen
description: >-
Use this skill when the user wants to generate images using Alibaba Cloud
DashScope's Wan (通义万相) series models. Supports text-to-image with multiple
model tiers (wan2.7-image-pro, wan2.7-image). Uses OpenAI-compatible
images/generations API for synchronous image generation.
Use when 用户提到 生成图片、画图、文生图、创建图片、AI 绘画、
生成插图、画一张、帮我画、设计图片、通义万相、万相、阿里云画图、dashscope 画图。
Use this skill when the user wants to generate images. Supports multiple
models: gpt-image-2 (default, via DesireCore Cloud), wan2.7-image-pro and
wan2.7-image (when user has DashScope configured). Uses OpenAI-compatible
/images/generations API for synchronous image generation.
Use when the user mentions: generate image, draw, text-to-image, create image,
AI painting, illustration, design picture.
license: Complete terms in LICENSE.txt
version: 1.3.0
version: 1.4.0
type: procedural
risk_level: low
status: enabled
@@ -25,7 +25,7 @@ requires:
- Bash
metadata:
author: desirecore
updated_at: '2026-06-10'
updated_at: '2026-06-15'
i18n:
default_locale: en-US
source_locale: zh-CN
@@ -33,19 +33,22 @@ metadata:
- zh-CN
- en-US
zh-CN:
name: 阿里云 文生图
short_desc: 基于阿里云通义万相的文本生成图片技能
name: AI 文生图
short_desc: AI 文本生成图片技能（支持 GPT Image / 通义万相）
description: >-
当用户希望使用阿里云 DashScope 的通义万相系列模型生成图片时使用此技能。支持多种模型层级（wan2.7-image-pro / wan2.7-image）的文生图，通过 OpenAI 兼容的 images/generations API 同步生成图片。用户提到 生成图片、画图、文生图、创建图片、AI 绘画、生成插图、画一张、帮我画、设计图片、通义万相、万相、阿里云画图、dashscope 画图。
当用户希望生成图片时使用此技能。支持多种模型：gpt-image-2（默认，通过
DesireCore Cloud）、wan2.7-image-pro / wan2.7-image（用户自行配置阿里云
DashScope 时可用）。通过 OpenAI 兼容的 /images/generations API 同步生成图片。
用户提到 生成图片、画图、文生图、创建图片、AI 绘画、生成插图、画一张、帮我画、设计图片。
body: ./SKILL.zh-CN.md
source_hash: sha256:a2c4e8f01b3d5e7f
source_hash: sha256:b3d5f7a91c2e4068
translated_by: human
en-US:
name: DashScope Image Generation
short_desc: Text-to-image generation using Alibaba Cloud Wan (通义万相) models
description: "Use this skill when the user wants to generate images using Alibaba Cloud DashScope's Wan (通义万相) series models. Supports text-to-image with multiple model tiers (wan2.7-image-pro, wan2.7-image) via the OpenAI-compatible images/generations API. Trigger keywords: generate image, draw, text-to-image, create image, AI painting, illustration, design picture, Wan, Tongyi Wanxiang, DashScope."
name: AI Image Generation
short_desc: AI text-to-image generation (GPT Image / Wan models)
description: "Use this skill when the user wants to generate images. Supports multiple models: gpt-image-2 (default via DesireCore Cloud), wan2.7-image-pro / wan2.7-image (when user has DashScope configured). Uses the OpenAI-compatible /images/generations API. Trigger keywords: generate image, draw, text-to-image, create image, AI painting, illustration, design picture."
body: ./SKILL.md
source_hash: sha256:a2c4e8f01b3d5e7f
source_hash: sha256:b3d5f7a91c2e4068
translated_by: human
market:
icon: >-
@@ -56,7 +59,7 @@ market:
fill-opacity="0.4" stroke="#34C759" stroke-width="1.2"
stroke-linejoin="round"/><circle cx="15.5" cy="8.5" r="1.5" fill="#34C759"
fill-opacity="0.6"/></svg>
short_desc: 基于阿里云通义万相的文本生成图片技能
short_desc: AI text-to-image generation (GPT Image / Wan models)
category: media
maintainer:
name: DesireCore Official
@@ -69,7 +72,7 @@ market:
## Mandatory Rules (violations cause failure)
1. **STRICTLY follow the execution steps below** — do NOT improvise, explore alternative endpoints, or try models not listed in this document
2. **Must access agent-service over HTTPS** — the API address is already provided in the system prompt under "本机 API" section (e.g. `https://127.0.0.1:PORT`); use it directly with `-k` to skip certificate verification
2. **Must access agent-service over HTTPS** — the API address is already provided in the system prompt under the local API section (e.g. `https://127.0.0.1:PORT`); use it directly with `-k` to skip certificate verification
3. **Must upload to media-store via `/api/media/upload`** — `/tmp` is only a transient download/decode location, never use a local path as the final output
4. **Must use the `dc-media://` protocol to display images** — the only form the frontend can render correctly
5. **Use Bash curl throughout** — do not use the HttpRequest tool or Python
@@ -78,27 +81,27 @@ market:
## Provider & Default Compute
This skill uses Alibaba Cloud DashScope's Wan (通义万相) models. You do NOT need to specify a provider — just pass `"serviceType": "image_gen"` and the system will automatically route to the correct provider:
- **DesireCore Cloud** (default, always available): The built-in compute provider already supports `image_gen` with Wan models. Users can generate images immediately without any configuration.
- **DashScope** (user-configured): If the user has configured their own DashScope API key, the system may route to it.
You do NOT need to specify a provider — just pass `"serviceType": "image_gen"` and the system will automatically route to the correct provider.
**Never** try to query provider lists, read compute.json, or explore available models through API calls. The models listed below are guaranteed to work.
## Model Selection
| Model | Characteristics | When to use |
|------|------|---------|
| wan2.7-image-pro | Flagship, 4K resolution, thinking_mode | User asks for top quality, 4K, or rich detail |
| wan2.7-image | Standard high quality, thinking_mode | **Default**, for unspecified requests |
|-------|----------------|-------------|
| gpt-image-2 | High quality, fast, versatile styles | **Default** — use when user does not specify a model |
| wan2.7-image | Standard high quality (requires DashScope provider) | Only when user explicitly asks for Wan / DashScope |
| wan2.7-image-pro | Flagship, 4K resolution (requires DashScope provider) | Only when user explicitly asks for top quality Wan model |
**Default rule**: if the user does not specify a model, use `wan2.7-image`.
**Default rule**: if the user does not specify a model, use `gpt-image-2`.
**Note**: `wan2.7-image` and `wan2.7-image-pro` only work when the user has configured their own Alibaba Cloud DashScope provider. If you get an error with these models, fall back to `gpt-image-2`.
## Full Execution Flow (strictly follow these steps)
### How to get the API address
The system prompt already contains the agent-service API address under "本机 API" (e.g. `Agent Service: https://127.0.0.1:61000`). Extract the URL from there and use it directly.
The system prompt already contains the agent-service API address under the local API section (e.g. `Agent Service: https://127.0.0.1:61000`). Extract the URL from there and use it directly.
If for any reason you cannot find it in the system prompt, use this fallback:
@@ -119,7 +122,7 @@ curl -sk -X POST "https://127.0.0.1:${PORT}/api/media-proxy" \
"serviceType": "image_gen",
"endpoint": "/images/generations",
"body": {
"model": "wan2.7-image",
"model": "gpt-image-2",
"prompt": "Replace this with the image description (English usually gives better results)",
"size": "1024x1024",
"n": 1
@@ -185,7 +188,7 @@ Pass `size` in the `body` object:
```json
{
"model": "wan2.7-image",
"model": "gpt-image-2",
"prompt": "your image description",
"size": "1024x1024",
"n": 1
@@ -193,15 +196,15 @@ Pass `size` in the `body` object:
```
| User intent | size value |
|---------|-----------|
|-------------|-----------|
| Square / avatar / default | "1024x1024" |
| Landscape / scenery / wallpaper | "1792x1024" |
| Portrait / mobile / poster | "1024x1792" |
| Landscape / scenery / wallpaper | "1536x1024" |
| Portrait / mobile / poster | "1024x1536" |
### Optional parameters (top-level body fields)
| Parameter | Description |
|------|------|
|-----------|-------------|
| `n` | Number of images, 1-4, default 1 |
| `size` | Image size, e.g. "1024x1024" |
@@ -222,14 +225,15 @@ When `n > 1`, download and upload each image, then render them one by one:
| `"API Key not configured"` | API Key missing | Tell user to configure API key |
| `statusCode: 401` | API Key invalid or expired | Tell user to check API key |
| `statusCode: 429` | Rate limited | Wait and retry once |
| `statusCode: 400` | Bad parameters | Check model name and size are from the tables above |
| `statusCode: 403 AccessDenied.Unpurchased` | Model not activated | Tell user to enable the model in Alibaba Cloud console |
| `statusCode: 400` + `model_price_error` | Model not available on current provider | Switch to `gpt-image-2` and retry |
| `statusCode: 400` | Other bad parameters | Check model name and size are from the tables above |
**On any error**: Do NOT try alternative models, alternative endpoints, or read config files. Report the error to the user clearly.
**On model error**: If `wan2.7-image` or `wan2.7-image-pro` fails with `model_price_error`, automatically retry with `gpt-image-2`. Do NOT ask the user before retrying.
**On other errors**: Report the error to the user clearly. Do NOT try alternative endpoints or read config files.
## Notes
- Image generation calls are synchronous and typically return in 10-60 seconds (wan2.7-image-pro can take longer)
- Image URLs expire; download promptly
- Image generation calls are synchronous and typically return in 10-60 seconds
- English prompts usually produce the best results; Chinese is also supported
- When the user does not specify a model or size, default to `wan2.7-image` + `1024x1024`
- When the user does not specify a model or size, default to `gpt-image-2` + `1024x1024`