dsh-file-ref

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Paste or drop a local file into the DeepSeek Harness composer. The plugin inserts a path the agent can open with existing tools. It does not upload file bytes to the model.

What it does

File location	Draft text
Inside the current workspace	@docs/spec.pdf
Outside the workspace	/Users/you/Downloads/spec.pdf
Path hidden by the browser	@.dsh-inbox/spec.pdf (a copy under the workspace)
PNG / JPEG / WebP / GIF	First-party image rail, unchanged

Before a step, the host confirms each @relative path still exists and injects:

<workspace-reference path="docs/spec.pdf" kind="file" />

Absolute paths stay as typed. The plugin does not open the file or send its bytes. The agent reads the path with the session's usual tools and access mode.

What it adds

Without this plugin, the composer accepts only PNG, JPEG, WebP, and GIF. Other files are rejected as an unsupported image format.

dsh-file-ref adds a path-reference path for those files:

• Recover the original filesystem path when the browser or host can see it.
• Otherwise write a copy into the workspace inbox and @ that path.
• Mark @relative mentions before the model step so the agent can open the file with read, the shell, or other tools already in the session.

There is no new upload API and no extra model-facing file tool.

Install or Update

Requires the dsh CLI and the web profile.

dsh plugin --profile web add https://github.com/auroralab-art/dsh-file-ref/releases/download/v0.1.0/dsh-file-ref-0.1.0.tgz

Use the same command to update an existing installation. Restart dsh web and hard-refresh the browser so the host and the client both load 0.1.0.

dsh plugin --profile web remove dsh-file-ref

Configuration

Optional keys go in ~/.dsh/profiles/web/cordis.patch.yml. A later layer replaces the whole config object, so restate every key you set.

- id: dsh-file-ref
  config:
    inboxDir: .dsh-inbox
    maxStageBytes: 20971520

• inboxDir — workspace-relative directory for copies when the browser hides the original path. Default .dsh-inbox.
• maxStageBytes — maximum size of one staged copy. Default 20971520 (20 MiB).

Path handling

• Paste and drop of PNG, JPEG, WebP, and GIF stay on the first-party image rail.
• A path inside the workspace is inserted as @relative. A path outside the workspace is inserted as absolute text.
• When the browser hides the filesystem path, the host writes a copy under inboxDir and the draft @s that relative path.
• Reference markers are created only from @relative tokens that still exist inside the workspace.
• Absolute paths stay as typed. The plugin does not rewrite them into mentions.
• File format does not change this flow. A staged copy must be within maxStageBytes.
• DSH read opens UTF-8 text. Other formats use the session's shell or other tools.

Aurora Lab

This plugin is published by Aurora Lab. We are building a set of DeepSeek Harness plugins that extend what DSH can do.

License

Not MIT. See LICENSE (中文).

You may download and install this software for personal, non-commercial use. Contact the owner through auroralab-art before any modification or derivative work. Commercial use requires the owner's written consent.

Develop

pnpm install
pnpm test
pnpm run build
dsh plugin --profile web add "$PWD"

add "$PWD" links this checkout into the profile. Keep the directory. That is the development path, not the install command for other machines.

The build expects a deepseek-harness checkout at ../../deepseek-harness, or DSH_CHECKOUT.