dshx-image-clamp
Manifest validClamp every image sent to the model to a maximum side length (default 2000px) so Claude's many-image limit is never exceeded.
dshx-image-clamp
Downscales every image sent to the model so its long edge is at most 2000px (and under a byte budget), avoiding Claude's many-image limit that otherwise breaks the whole session.
Claude 在一次请求里图片超过 20 张时，任何一张边长超过 2000px 就会整条请求被拒。DSH 的附件归一化只限制总像素，单边仍可能超过 2000（例如 2730×1536），之后每一轮都会重放这张图，整个会话就卡死了。
本插件包装 attachments.readImage，在图片发给任何 provider 之前实时缩小到长边 ≤ maxSide，并压到单张 maxBytes 以内。磁盘上的原图不改动，停用插件即完全还原。
配置（cordis.patch.yml）
| 字段 | 默认 | 说明 |
|---|---|---|
maxSide | 2000 | 长边上限（像素） |
maxBytes | 184320 | 单张编码后字节上限（180 KB） |
依赖宿主已有的 sharp（DSH 自带）；找不到时插件会记录警告并不做处理。
安装
# Web profile
dsh plugin --profile web add github:callaumyan-design/dshx-image-clamp
# Desktop（用 DSH Desktop 自带的 dsh 命令，先从托盘完全退出 Desktop）
dsh plugin --profile desktop add github:callaumyan-design/dshx-image-clamp
安装后重启 DSH。卸载：dsh plugin --profile <profile> remove dshx-image-clamp。
兼容性
在 DeepSeek Harness 0.2.0-rc.2（desktop / web profile）上开发和使用。纯 JavaScript，无构建步骤，无安装脚本。
License
MIT
Comments
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