feat: add yescan-scan-qoder skill

src/content/skills-zh/yescan-scan-qoder-zh.md

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+---
+name: yescan-scan-qoder
+title: 夸克扫描王 · 图像增强
+description: 当用户需要对图片进行画质优化、瑕疵去除或视觉增强时，AI Agent 自动调用夸克扫描王图像增强 API。支持 13 种场景：画质增强、去水印、去阴影、去手写、去屏纹、去底色、证件增强、考试增强、合同扫描、裁剪矫正、素描速写、线稿提取、通用扫描。输出优化后的高清图片文件。
+source: community
+author: yescan-vision
+githubUrl: https://github.com/yescan-ai/yescan-scan-qoder
+docsUrl: https://scan.quark.cn/business
+category: productivity
+tags:
+  - 图像增强
+  - 扫描
+  - 去水印
+  - 去阴影
+  - 去手写
+  - 夸克扫描王
+roles:
+  - developer
+  - designer
+featured: false
+popular: false
+isOfficial: false
+installCommand: |
+  git clone https://github.com/yescan-ai/yescan-scan-qoder.git
+  cp -r yescan-scan-qoder ~/.qoder/skills/
+date: 2026-06-16
+---
+
+## 使用场景
+
+- 试卷、笔记、教材等学习资料拍照后画质增强
+- 去除图片上的水印、阴影、手写笔迹、摩尔纹
+- 证件票据（身份证、发票、护照）清晰度优化
+- 合同/协议文档图片增强归档
+- 彩色背景文档一键转为白底黑字
+- 拍歪的文档透视矫正与边缘裁剪
+- 照片转素描速写风格或提取线稿
+
+## 支持场景
+
+| # | 场景 | scene 标识 |
+|---|------|-----------|
+| 1 | 考试增强 | `exam-enhance` |
+| 2 | 画质增强 | `image-hd-enhance` |
+| 3 | 证件票据增强 | `certificate-enhance` |
+| 4 | 图像去手写 | `remove-handwriting` |
+| 5 | 图像去水印 | `remove-watermark` |
+| 6 | 图像去阴影 | `remove-shadow` |
+| 7 | 图像去屏纹 | `remove-screen-pattern` |
+| 8 | 文档去底色 | `remove-background-color` |
+| 9 | 图像裁剪矫正 | `image-crop-rectify` |
+| 10 | 素描速写 | `sketch-drawing` |
+| 11 | 提取线稿 | `extract-lineart` |
+| 12 | 扫描合同 | `scan-contract` |
+| 13 | 扫描文件（兜底） | `scan-document` |
+
+## 示例
+
+```
+用户：这张试卷拍得不太清楚，帮我增强一下
+Agent：[自动匹配 exam-enhance 场景，执行 scan.py，返回增强后的图片路径]
+
+用户：帮我把图片右下角的水印去掉
+Agent：[自动匹配 remove-watermark 场景，执行处理，返回去水印后的图片]
+
+用户：这张合同照片字迹太淡了，帮忙增强
+Agent：[自动匹配 scan-contract 场景，执行处理，返回清晰的合同图片]
+```
+
+## 注意事项
+
+- 需要 Python 3.9+ 和 `requests` 库
+- 需要配置夸克扫描王 API Key（`SCAN_WEBSERVICE_KEY`），可在 https://scan.quark.cn/business 获取
+- 图片会通过 HTTPS 发送至夸克服务器处理，服务端不永久保存
+- 本地文件大小限制 5MB，支持 jpg/png/gif/bmp/webp/tiff 等格式
+- 每次仅支持处理单张图片

src/content/skills/yescan-scan-qoder.md

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+---
+name: yescan-scan-qoder
+title: Quark Scan · Image Enhancement
+description: When users need image quality optimization, defect removal, or visual enhancement, the AI Agent automatically calls the Quark Scan image enhancement API. Supports 13 scenes including HD enhance, remove watermark, remove shadow, remove handwriting, remove moiré pattern, remove background color, certificate enhance, exam enhance, contract scan, crop & rectify, sketch drawing, lineart extraction, and general scan. Outputs enhanced HD image files.
+source: community
+author: yescan-vision
+githubUrl: https://github.com/yescan-ai/yescan-scan-qoder
+docsUrl: https://scan.quark.cn/business
+category: productivity
+tags:
+  - image enhancement
+  - scan
+  - remove watermark
+  - remove shadow
+  - remove handwriting
+  - quark scan
+roles:
+  - developer
+  - designer
+featured: false
+popular: false
+isOfficial: false
+installCommand: |
+  git clone https://github.com/yescan-ai/yescan-scan-qoder.git
+  cp -r yescan-scan-qoder ~/.qoder/skills/
+date: 2026-06-16
+---
+
+## Use Cases
+
+- Enhance image quality of photographed exam papers, notes, and textbooks
+- Remove watermarks, shadows, handwriting, and moiré patterns from images
+- Optimize clarity of ID documents and receipts (ID cards, invoices, passports)
+- Enhance and archive contract/agreement document images
+- Convert colored background documents to clean white background with black text
+- Auto-rectify perspective and crop edges of tilted documents
+- Convert photos to sketch/pencil drawing style or extract lineart
+
+## Supported Scenes
+
+| # | Scene | Scene ID |
+|---|-------|----------|
+| 1 | Exam Enhance | `exam-enhance` |
+| 2 | HD Enhance | `image-hd-enhance` |
+| 3 | Certificate Enhance | `certificate-enhance` |
+| 4 | Remove Handwriting | `remove-handwriting` |
+| 5 | Remove Watermark | `remove-watermark` |
+| 6 | Remove Shadow | `remove-shadow` |
+| 7 | Remove Screen Pattern | `remove-screen-pattern` |
+| 8 | Remove Background Color | `remove-background-color` |
+| 9 | Crop & Rectify | `image-crop-rectify` |
+| 10 | Sketch Drawing | `sketch-drawing` |
+| 11 | Extract Lineart | `extract-lineart` |
+| 12 | Scan Contract | `scan-contract` |
+| 13 | Scan Document (fallback) | `scan-document` |
+
+## Example
+
+```
+User: This exam paper photo is blurry, please enhance it
+Agent: [Auto-matches exam-enhance scene, executes scan.py, returns enhanced image path]
+
+User: Remove the watermark in the bottom-right corner of this image
+Agent: [Auto-matches remove-watermark scene, processes image, returns watermark-free image]
+
+User: The text on this contract photo is too faint, please enhance it
+Agent: [Auto-matches scan-contract scene, processes image, returns clear contract image]
+```
+
+## Notes
+
+- Requires Python 3.9+ and `requests` library
+- Requires Quark Scan API Key (`SCAN_WEBSERVICE_KEY`), obtainable at https://scan.quark.cn/business
+- Images are sent to Quark servers via HTTPS for processing; server does not permanently store data
+- Local file size limit: 5MB; supported formats: jpg/png/gif/bmp/webp/tiff
+- Only single image processing per request