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dsh-web-app owns --host/--port/--dev/--workspace-root/--trusted-host and its --help in a web-startup row; the rows it configures wait for the webStartup service, and the client-plugin HMR receiver now ships disabled so --dev is a row toggle rather than a runtime insert (the Loader cannot resolve a row inserted from inside a mounting plugin). dsh-headless owns the task positional and rejects a missing task as its own usage error. Its runner ships disabled, not merely waiting: the schema requires the task, and a row's config is validated when its fiber is created, before the startup row can supply one. A composition has exactly one command-line owner, so the patch disables the web startup row and this one provides webStartup too, leaving the web rows on their composed one-shot values. The keyless web scaffold provides the same three values with no arguments, which is what an embedding host with no command line does.
@deepseek-ai/dsh-headless
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The dsh one-shot bundle. cordis.patch.yml rides directly over dsh-base: it supplies the coding persona and tool mode, disables HMR, mounts Code Mode's worker as a core execution capability, and inserts this package's headless-runner plugin (config {task}, shipped disabled until the startup row supplies the task). It mounts no Host, HTTP server, Web runtime, or browser plugin.
After the Loader settles, the runner reads the shared ctx.agentDefaultModel, creates one fresh persisted Agent through ctx.agents, submits the task as an ordinary user message, and waits for quiescence. It flushes the Session before folding the owned durable event interval, writes the last non-empty assistant text to stdout, and requests exit through the launcher-provided ctx.headlessIo host hook (final turn/end completed → 0, otherwise 1). A terminal error reason also writes its code and message to stderr; successful runs keep stderr empty. The process opens no listening port. The task text is this app's command line: the headless-startup row (src/startup.ts) reads it as the positional argument of dsh --profile headless "task" from ctx.cmdlineArgs (dsh-cmdline), prints the app's --help, and rejects an invocation with no task instead of letting the runner's schema fail.
Model Experience
None, as the runner submits the task as an ordinary user message; prompts and tools belong to the base and headless bundle rows.
KV Cache effect
None; the runner adds nothing to the request prefix.
Known Limitations and Deferred Work
- One submitted task only — the runner has no interactive follow-up surface; it waits through any work the Agent completes before returning to idle and prints the last non-empty assistant message in that interval.
ctx.headlessIois launcher-owned — booting the headless profile outside thedshlauncher fails loud at activation until the host provides the hook.