mirror of
https://github.com/deepseek-ai/deepseek-harness
synced 2026-08-15 21:04:50 +00:00
fca2dda37d
Drop the bare `dsh <config>` positional in favor of a `--config <path>` flag. Without a root positional, `web` can be a real Commander subcommand in one program instead of the reserved-first-token dispatch to a second parser, so `dsh --help` lists every mode natively (no hand-pasted command text) and the second parser + reserved-token machinery are gone. Grammar: dsh TUI (shipped tree + ~/.dsh overlay) dsh --config <path> TUI, alternate tree (demos/tests only) dsh --resume <id> TUI, resume a session dsh -p "task" headless one-shot dsh web [--host --port --dev] `dsh` is the product front door with no positional; `--config` exists only so demo:cordis, demo:code-mode, and the keyless PTY smokes can point the shipped bin at an example tree. Those three sites and the /resume re-exec argv move to `--config <path>`. The `-p` + `--config`/`--resume` mode-mixing guard and the cordis.yml-owns-host/port-default fix are preserved. Agent Note + Chinese pair, README, tui.ts docs updated. All 13 PTY smokes (including code-mode via --config and the exec-replace resume handoff) green.
26 lines
3.1 KiB
Markdown
26 lines
3.1 KiB
Markdown
# `@deepseek-ai/dsh`
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The `dsh` command-line entry follows the `apps/` assembly tier: `apps/*` are product assemblies over `packages/*` libraries. Plain `dsh` boots the interactive TUI coding agent, `dsh -p "task"` runs one headless turn, and `dsh web` serves the browser UI.
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Argv is parsed once through a [Commander](https://github.com/tj/commander.js) adapter ([`src/args.ts`](src/args.ts)): one program whose default (no subcommand) is the TUI/headless surface (`--config`, `-p`/`--prompt`, `--resume`) and whose `web` subcommand is the browser UI. `src/bin.ts` switches on the resolved mode and dynamic-imports only that mode's module. `dsh --help` lists every mode and `dsh web --help` renders the web usage, `dsh --version` prints this app's version, and an unknown option or an invalid `--host`/`--port`/`--resume` value fails loud (stderr, exit 1) instead of misrouting.
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The TUI surface:
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- boots the shipped default config (`examples/tui-agent/cordis.yml`), or the tree named by `--config <path>` (the demo/test escape for booting an alternate example tree), through [`dsh-app-boot`](../../packages/ui/app-boot/README.md);
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- resumes a persisted session with `dsh --resume <session-id>` and, when the Node host exposes `process.execve`, supplies the TUI's in-place handoff host: after selector preflight and current-session flush, the host disposes the app and replaces the process with a normalized `dsh --resume <id>`; runtimes without process replacement keep the displayed command fallback. The flag provides the id on the boot context under `RESUME_SESSION_ID_KEY` (no environment variable), which the shipped config reads through `!!js`, and a missing or unreadable id fails loud instead of creating a fresh session;
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- treats the **invoking directory** as the workspace — sessions, relative paths, and workspace instructions resolve from the cwd;
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- tells the agent where its own source lives: after boot it adds a prompt section naming this harness checkout, resolved from the launcher's real path so it holds under a PATH symlink and an arbitrary cwd, so the self-referential `cordis` toolset can read and modify it;
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- applies the personal overlay from `~/.dsh` (see [app-boot's Personal config](../../packages/ui/app-boot/README.md#personal-config)): `.env` fills environment gaps (ambient > project `.env` > personal `.env`), `config.yaml` patches the booted tree.
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The Web surface treats its invoking directory as the default project, loads applicable `AGENTS.md`/`CLAUDE.md` instructions into each agent-loop request prefix with a 65,536-byte render budget, and opts into first-message model titles. The headless surface retains deterministic fallback titles without making the auxiliary title-model request.
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## Install (developer machine)
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Symlink the source-running launcher onto your PATH; it resolves the checkout through its own real path, so code changes apply on the next launch with no build step:
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```sh
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ln -sf "$(pwd)/bin/dsh" ~/.local/bin/dsh
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```
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`pnpm run dsh` runs the same entry from the repo root and forwards arguments directly, for example `pnpm run dsh -p "task"`. The built form (`lib/bin.js`, via `pnpm run build`) boots the same config under plain Node.
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