A hand-damaged preset was silent until the worst moment. An unparsable composition listed as an ordinary selectable row and failed only at the next session start — set as default, every new session failed. A directory whose composition file was deleted vanished from the roster while still occupying its id: copy answered "delete the existing preset first" while remove answered "not found", a dead end. Discovery now owns health: every id-shaped directory is a roster slot, broken when its composition is missing or unloadable, checked with the loader's own entryListSchema dialect (!!js included) so health never rejects what the loader accepts. `broken` rides AgentPreset, the agentPreset.list entry, and the UI row; mount/recompose/standingKeyFor refuse broken up front with the discovery-reported reason, while resolve/read/remove still answer. The section renders marked red cards — unselectable, uncopyable, deletable, location kept on custom rows — and both pickers drop broken rows entirely. The cordis preset's persona now forbids editing the shipped install (corrupting cordis would disable the mode itself) and points authoring at $DSH_HOME/.agent-presets; its skill teaches preset.yml metadata, the copy-first workflow, the one-escalation sandbox reality, and honest verification. Exercised live: asked to edit the shipped composition the composed agent refuses citing both rules; asked for real presets (simple and complex) it lands them under the user root with one approved escalation each and self-checks with the loader dialect.
@deepseek-ai/dsh
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The dsh command is the product launcher for profiles: ordered stacks of plugin-bundle patch layers under the user's own overrides. src/args.ts owns the command grammar, and src/bin.ts loads only the selected runner. Invalid commands, options from another mode, configuration errors, and boot failures exit nonzero.
Entry modes
| Command | Purpose |
|---|---|
dsh --profile <name> |
Boot the named profile under $DSH_HOME/profiles/<name>. |
dsh run [--profile <name>] [--patch <path>...] "task" |
Run one fresh persisted session, print the final answer, and exit; the profile defaults to headless. |
dsh web |
Alias of --profile web with the Web flag family (--host, --port, --dev, ...). |
dsh plugin --profile <name> <pnpm args> |
Manage a profile's plugins by forwarding to pnpm in the profile directory. |
The invoking directory is the default workspace root. dsh run requires non-blank task text and the selected profile must mount the headless-runner row; --profile preserves custom one-shot profiles. The web and headless profiles auto-initialize on first use from shipped templates; any other profile must be created through dsh plugin.
Profiles
A profile directory holds a package.json (out-of-tree plugin dependencies plus the profile manifest dsh.profile with its ordered bundles list) and a cordis.patch.yml (the user's own patch layer, hot-reloaded on long-lived surfaces). The tree composes over an empty root: each bundle's patch in dsh.profile.bundles order, then the profile's cordis.patch.yml, then the home-level $DSH_HOME/cordis.patch.yml, then --patch overlays, then flag patches. Bundles named in dsh.profile.bundles resolve from the dsh installation first (@deepseek-ai/dsh-base, @deepseek-ai/dsh-web-app, @deepseek-ai/dsh-headless), then from the profile's own node_modules, where pnpm installs out-of-tree plugins. Use --dump-default-config and --dump-config to inspect the composed tree without booting it.
The CLI behavior reference owns exact layer precedence, flags, shutdown behavior, deployment defaults, and the source launcher.
Development
Production runs require built package and frontend artifacts. From a checkout, pnpm run dsh runs the TypeScript entry and forwards arguments; the source-launcher reference describes the PATH symlink and module-resolution contract.