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新增媒体生成市场技能
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skills/openai-image-gen/SKILL.md
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skills/openai-image-gen/SKILL.md
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---
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name: OpenAI 文生图
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description: >-
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Use this skill when the user wants to generate images from text descriptions.
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Calls the OpenAI DALL-E 3 API through the media proxy to create images.
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Supports different sizes (1024x1024, 1792x1024, 1024x1792) and styles
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(natural, vivid). Use when 用户提到 生成图片、画图、文生图、创建图片、
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AI 绘画、生成插图、画一张、帮我画、设计图片、DALL-E。
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license: Complete terms in LICENSE.txt
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version: 1.3.0
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type: procedural
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risk_level: low
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status: enabled
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disable-model-invocation: false
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provider: openai
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tags:
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- media
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- image
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- generation
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- dall-e
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- openai
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requires:
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tools:
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- Bash
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metadata:
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author: desirecore
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updated_at: '2026-04-25'
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market:
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icon: >-
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<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0
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24 24" fill="none"><rect x="3" y="3" width="18" height="18" rx="3"
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stroke="#34C759" stroke-width="1.5" fill="#34C759"
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fill-opacity="0.1"/><circle cx="8.5" cy="8.5" r="2" stroke="#34C759"
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stroke-width="1.2"/><path d="M3 16l5-5 4 4 3-3 6 6" stroke="#34C759"
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stroke-width="1.5" stroke-linecap="round"
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stroke-linejoin="round"/></svg>
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short_desc: 基于 OpenAI DALL-E 3 的文本生成图片技能
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category: media
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maintainer:
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name: DesireCore Official
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verified: true
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channel: latest
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---
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# openai-image-gen 技能
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## 强制规则(违反将导致功能失败)
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1. **必须使用 `"response_format": "url"`** — 禁止 `"b64_json"`,base64 会导致输出截断
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2. **必须用 HTTPS 访问 agent-service** — `https://127.0.0.1:${PORT}` 加 `-k` 跳过证书验证
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3. **必须通过 `/api/media/upload` 上传到 media-store** — 禁止保存到本地路径
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4. **必须使用 `dc-media://` 协议展示图片** — 唯一能让前端正确渲染的方式
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5. **全程使用 Bash curl** — 不要使用 HttpRequest 工具或 Python
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## 完整执行流程(严格按此三步执行)
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### 第一步:调用 API 生成图片
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```bash
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PORT=$(cat ~/.desirecore/agent-service.port)
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curl -sk -X POST "https://127.0.0.1:${PORT}/api/media-proxy" \
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-H "Content-Type: application/json" \
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-d '{
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"provider": "openai",
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"serviceType": "image_gen",
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"endpoint": "/images/generations",
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"body": {
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"model": "dall-e-3",
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"prompt": "这里替换为图片描述",
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"n": 1,
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"size": "1024x1024",
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"style": "vivid",
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"quality": "standard",
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"response_format": "url"
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},
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"responseType": "json"
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}'
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```
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从 JSON 响应中提取 `data.data[0].url` 得到图片 URL。`data.data[0].revised_prompt` 是 DALL-E 优化后的提示词,可展示给用户。
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### 第二步:下载并上传到 media-store
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OpenAI URL 仅 1 小时有效,必须立即下载。
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```bash
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PORT=$(cat ~/.desirecore/agent-service.port)
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IMAGE_URL="第一步拿到的图片URL"
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curl -sL "$IMAGE_URL" -o /tmp/dalle-gen.png && \
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curl -sk -X POST "https://127.0.0.1:${PORT}/api/media/upload" \
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-F "file=@/tmp/dalle-gen.png;type=image/png"
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```
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从 JSON 响应中提取 `mediaId` 字段。
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### 第三步:用 dc-media 协议展示图片
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在你的回复文本中直接写 Markdown 图片语法:
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```
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```
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前端会自动将 `dc-media://` 转为可访问的图片 URL 并渲染。
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## 参数映射
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| 用户意图 | size | style | quality |
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|---------|------|-------|---------|
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| 正方形(默认) | "1024x1024" | "vivid" | "standard" |
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| 横版/风景 | "1792x1024" | "vivid" | "standard" |
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| 竖版/手机 | "1024x1792" | "vivid" | "standard" |
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| 写实/自然 | — | "natural" | — |
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| 高清 | — | — | "hd" |
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## 错误处理
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- `"error": "未找到匹配的供应商"`:未配置 OpenAI Provider
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- `statusCode: 401`:API Key 无效或过期
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- `statusCode: 429`:速率限制,稍后重试
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