DSH Composer Layout

Read here. Compose there. Dock Composer to the right when a long prompt needs the conversation, source material, or logs to remain in view.

Optional DeepSeek Harness Web plugin that lets the Composer stay at the bottom or dock in a right-side column. The chat and Composer keep their own space, while the normal DSH model, permission, quota, session, and tool behavior remains intact.

A real DSH Web session beside a tall right-side Composer

A clean demonstration profile reviewing an architecture migration plan. The conversation is sample content, not a user session.

Why a side-by-side Composer?

The default bottom layout works well for short exchanges. The right layout is for work where writing and reference-reading happen together: a long instruction, a revision against an earlier answer, a code or log excerpt, or a multi-step request. It gives the input a tall, independent column and leaves the conversation visible next to it, so expanding a draft does not push the material being referenced out of sight.

What it adds

Bottom and right-side Composer placement from Settings → Plugins → Composer Layout.
A visible docking handle; in the right layout it also resizes the Composer pane.
Per-session placement and manually resized right-pane width when “Remember this session layout” is enabled.
Narrow-window positioning for slash commands, model/access/context menus, and quota panels.
Inline command menus close before another Composer popup opens, while the normal bottom layout keeps DSH's native behavior.
A 512×512 icon at assets/icon.svg.

The plugin is presentation-only: it does not add model-facing tools, change prompts, or alter token accounting.

Install

Fastest path — install from GitHub

You do not need npm for the first release. DSH can install a plugin bundle directly from a GitHub repository; pinning the command to v0.1.0 makes the installed source explicit and repeatable.

dsh plugin --profile web add "github:lavapapa/dsh-composer-layout#v0.1.0"
dsh web --profile web

Then open Settings → Plugins → Composer Layout and select Right side. Restarting the Web profile is required because DSH does not hot-reload profile patches.

The repository ships the prebuilt host and browser artifacts used by this command, so installation does not need an install-time build step. To confirm that DSH added the bundle to the intended profile:

dsh --profile web --dump-config

Release asset and updates

The GitHub Release also contains a .tgz package for an offline or inspected install:

dsh plugin --profile web add /path/to/dsh-composer-layout-0.1.0.tgz
dsh web --profile web

For a later version, remove the installed package, then add the new tag or release asset:

dsh plugin --profile web remove dsh-composer-layout
dsh plugin --profile web add "github:lavapapa/dsh-composer-layout#v0.1.0"
dsh web --profile web

The plugin requires a DSH Web build whose @deepseek-ai/dsh-* packages are in the 0.1.x prerelease line; the tested source checkout is recorded in the release notes.

Settings and behavior

Open Settings → Plugins → Composer Layout and choose the default position. With session memory enabled, a session records its own placement and only a manually changed right-pane width; a new or unrelated session starts from the configured default. Turning session memory off makes the configured default authoritative again.

The right layout keeps a minimum-width Composer seat and uses viewport-aware portals for menus and quota details. If the viewport becomes too narrow, DSH's own sidebar policy remains the source of truth; this plugin does not introduce a second sidebar threshold.

Compatibility and scope

This is a Web-only bundle. It expects the standard DSH Web profile and does not provide a server, desktop shell, TUI, or model provider. It is compatible with DSH's optional plugin model and can be removed with:

dsh plugin --profile web remove dsh-composer-layout

Third-party DSH plugins execute with the permissions of the local DSH process. Review the source and pin a release or commit before installing a plugin from GitHub.

Development

The repository intentionally commits the generated lib/ artifacts used by GitHub installs. The source is under src/; the source-of-record implementation lives in the DSH workspace and is kept here so a release can be reviewed without opening the monorepo. Changes that touch DSH internals should be tested against the matching DSH checkout before publishing a new release.

License

MIT. See LICENSE.

dsh-composer-layout

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