Merge remote-tracking branch 'origin/master' into worktree/provider-routed-llm-adapters

# Conflicts:
#	docs/config-catalog.md
#	packages/examples/acp-demo/tests/acp-agent.spec.ts
#	packages/examples/stdio-demo/README.md
#	packages/examples/stdio-demo/src/index.ts
#	packages/examples/stdio-demo/tests/stdio-agent.spec.ts
This commit is contained in:
Yichen Jiang
2026-07-15 20:14:09 +08:00
138 changed files with 613 additions and 530 deletions

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# @deepseek-ai/dsh-stdio-demo
The **terminal stdio chat app**: a Cordis app plugin that composes the default agent spine ([`@deepseek-ai/dsh-agent-spine-demo`](../../examples/agent-spine-demo/README.md)) with the front-door cluster a terminal chat needs, and a `bin` that boots a leaf `cordis.yml`.
It is the readline counterpart to [`@deepseek-ai/dsh-acp-demo`](../acp-demo/README.md): both consume the same spine, but each bakes in the OPPOSITE front-door cluster.
## What it bakes in
A terminal chat always wants the same cluster, so the package owns it rather than trusting each leaf to re-wire it:
| Plugin | Why it is here |
|---|---|
| `@cordisjs/plugin-logger-console` | the console logger — stdout is just the terminal here, so logging to it is correct (the ACP app must NOT have this) |
| `@deepseek-ai/dsh-agent-spine-demo` | the spine, pre-creating a `main` agent from this app's provider/model pair with `process.cwd()` as the fresh session cwd and carrying its `persona` |
| `@deepseek-ai/dsh-session-persistence-jsonl` | durable JSONL session log under `persistenceRoot` |
| `@deepseek-ai/dsh-user-interaction` | the human question/answer seam used by confirmation tools |
| `@deepseek-ai/dsh-tool-ask-user` | the model-facing `ask_user_question` tool |
| `@deepseek-ai/dsh-stdio` | the readline UI, bound to the `main` agent |
`@cordisjs/plugin-hmr` (the dev/demo edit-reload loop) is deliberately a **leaf** entry, NOT baked in here: it is a Loader-only, subprocess-only dev plugin — its constructor throws without `node --expose-internals` + a live `loader`, and the in-process test tier cannot even import it (so a package whose `apply` statically pulled it in could never carry the per-file coverage gate). Unlike the console logger, a stray `hmr` is not a stdout-purity footgun, so leaving it at the leaf costs no safety. The `demo:echo` / `demo:repl` leaves load it and pass `--expose-internals`.
The leaf `cordis.yml` supplies only the **swappable backends** — an LLM adapter (`llm-deepseek` for the real model, or the mock `mock-llm` for a demo) and a bash executor (`bash-local`) — `hmr`, plus this app's [`Config`](#config). The whole plugin tree a run loads is therefore: this app's cluster, the spine inside `agent-core`, `hmr`, and the two leaf backends.
## Config
| Key | Default | Routed to |
|---|---|---|
| `provider` | (required) | the pre-created `main` agent's registered provider route |
| `model` | (required) | the pre-created `main` agent's model |
| `persona` | — | the deployment persona template (may reference `{{provider}}`/`{{model}}`/`{{cwd}}`), routed to `dsh-system-prompt` |
| `toolOrder` | — | explicit model-facing tool order (a name list with one `'<unlisted-tools>'` rest entry; absent — lexicographic; an unregistered name fails each turn at prompt assembly), routed to `dsh-system-prompt` |
| `tools` | `{ mode: 'native' }` | tool-registry presentation config (`native` / `code` / `both`), routed through `dsh-agent-spine-demo` |
| `skills` | owner defaults | registry-cache, local-provider, and model-facing skill-tool config, routed through `dsh-agent-spine-demo` |
| `persistenceRoot` | `./.sessions` | the JSONL backend's root directory |
| `welcome` | `ready.` | the stdin-chat banner |
| `resumeSessionId` | — | resume a persisted session id instead of starting fresh (sourced from an env var in the leaf) |
Fresh stdio sessions use the process launch directory as `session.header.cwd`, so project-scoped features such as skill discovery and default bash workdir follow the directory where `dsh-stdio-demo` was started. Resumed sessions keep the cwd stored in the persisted session header.
## The bin
`dsh-stdio-demo [path-to-cordis.yml]` (default `./cordis.yml`) loads a gitignored `.env` from the cwd (`DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL`), then drives the cordis Loader against the config and awaits the whole plugin tree before returning. Run it under `node --expose-internals`, or install the Loader's optional `node-addon-require-builtin` fallback, so the Loader can resolve the config's bare plugin specifiers (`@deepseek-ai/dsh-*`, npm packages). The `demo:echo` / `demo:repl` scripts use `--expose-internals`.
## Example leaf `cordis.yml`
```yaml
# A REPL agent demo: hmr + the DeepSeek adapter + local bash, then this app.
- id: hmr
name: '@cordisjs/plugin-hmr'
config:
root: ['.']
- id: llm-deepseek
name: '@deepseek-ai/dsh-llm-deepseek'
config:
apiKey: !!js process.env.DEEPSEEK_API_KEY
- id: bash
name: '@deepseek-ai/dsh-bash-local'
config:
timeoutMs: 60000
- id: stdio-agent
name: '@deepseek-ai/dsh-stdio-demo'
config:
provider: deepseek
model: deepseek-v4-flash
persona: 'You are a coding assistant powered by the {{model}} model.'
```
Swap `llm-deepseek` for a `mock-llm` leaf plugin and you have the echo demo — "swap the backend, keep the app".
## Model Experience
### Composed terminal agent request
**What the model sees**: Through `dsh-agent-spine-demo`, the `main` agent receives the harness identity, configured persona, skill catalog, and visible tools; this app also composes the generated [`ask_user_question` schema](../../../docs/tool-catalog.md#deepseek-aidsh-tool-ask-user). Each readline submission becomes a user message.
**Token effect**: Child prompt and schema costs repeat per request; user input and tool history grow until compaction. The welcome banner, logger output, and rendered transcript are terminal-only and add zero model tokens.
### Human-answer result
**What the model sees**: Through `dsh-tool-ask-user`, successful terminal answers use that package's exact compact JSON shape. Interruption becomes exactly `Error: ask_user_question was interrupted before the user answered`; a closed stdin becomes `Error: ask_user_question cannot be answered because stdin is closed`.
**Token effect**: Only a completed or failed tool call adds retained result tokens; prompts printed while waiting are terminal-only.
## Known Limitations and Deferred Work
- **One pre-created `main` agent drives the readline UI** — there is no multi-session or concurrent-agent surface in this app; a run is one conversation.
- **The front-door cluster is fixed in code** — the JSONL persistence backend and the ask-user tooling are baked; a different composition is a leaf-level sibling entry or another app package.
- **The question tool is not an approval answerer** — this app mounts `user-interaction` and `ask_user_question`, but not `ctx.approval`; a `tools/pre-execute` `ask` therefore fails closed unless the leaf composes an approval service and terminal answerer.

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{
"name": "@deepseek-ai/dsh-stdio-demo",
"description": "Terminal stdio chat app: the agent-spine-demo bundle + console logger + readline UI + a pre-created main agent, with a bin to boot a leaf cordis.yml",
"version": "0.0.1",
"private": true,
"type": "module",
"main": "lib/index.js",
"types": "lib/types/index.d.ts",
"bin": {
"dsh-stdio-demo": "lib/bin.js"
},
"exports": {
".": {
"types": "./lib/types/index.d.ts",
"default": "./lib/index.js"
},
"./bin": {
"types": "./lib/types/bin.d.ts",
"default": "./lib/bin.js"
},
"./src/*": "./src/*",
"./package.json": "./package.json"
},
"files": [
"lib/index.js",
"lib/bin.js",
"lib/types/**/*.d.ts",
"lib/types/**/*.d.ts.map",
"src"
],
"license": "BSD-3-Clause",
"peerDependencies": {
"@cordisjs/plugin-include": "^1.0.4",
"@cordisjs/plugin-loader": "^1.0.0-rc.5",
"@deepseek-ai/dsh-app-boot": "^0.0.1",
"@cordisjs/plugin-logger-console": "^1.0.0",
"@deepseek-ai/dsh-agent": "^0.0.1",
"@deepseek-ai/dsh-llm": "^0.0.1",
"@deepseek-ai/dsh-agent-spine-demo": "^0.0.1",
"@deepseek-ai/dsh-session": "^0.0.1",
"@deepseek-ai/dsh-session-persistence-jsonl": "^0.0.1",
"@deepseek-ai/dsh-stdio": "^0.0.1",
"@deepseek-ai/dsh-tool-ask-user": "^0.0.1",
"@deepseek-ai/dsh-tools": "^0.0.1",
"@deepseek-ai/dsh-user-interaction": "^0.0.1",
"cordis": "^4.0.0-rc.7",
"schemastery": "^3.17.0"
},
"devDependencies": {
"@cordisjs/plugin-include": "workspace:^",
"@cordisjs/plugin-loader": "workspace:^",
"@deepseek-ai/dsh-app-boot": "workspace:^",
"@cordisjs/plugin-logger-console": "workspace:^",
"@deepseek-ai/dsh-agent": "workspace:^",
"@deepseek-ai/dsh-llm": "workspace:^",
"@deepseek-ai/dsh-agent-spine-demo": "workspace:^",
"@deepseek-ai/dsh-system-prompt": "workspace:^",
"@deepseek-ai/dsh-session": "workspace:^",
"@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^",
"@deepseek-ai/dsh-stdio": "workspace:^",
"@deepseek-ai/dsh-tool-ask-user": "workspace:^",
"@deepseek-ai/dsh-tools": "workspace:^",
"@deepseek-ai/dsh-user-interaction": "workspace:^",
"cordis": "^4.0.0-rc.7",
"schemastery": "^3.17.0"
}
}

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#!/usr/bin/env node
/**
* Boot a stdio app from a leaf `cordis.yml`; usage is `dsh-stdio-demo [config]`, defaulting to the
* cwd file. Shared `.env` loading, fail-loud Loader guards, and settled-tree boot live in
* dsh-app-boot. The echo and REPL demos invoke this bin with their own leaf configs.
* @module @deepseek-ai/dsh-stdio-demo/bin
*/
import { boot, installFailLoud, loadEnv, resolveConfigPath } from '@deepseek-ai/dsh-app-boot'
const NAME = 'dsh-stdio-demo'
/* v8 ignore start -- thin self-executing composition over the unit-tested
dsh-app-boot helpers; exercised end-to-end by the keyless Loader-path and
built-bin smokes */
installFailLoud(NAME)
loadEnv(NAME)
await boot(NAME, resolveConfigPath(process.argv[2] ?? './cordis.yml', undefined))
/* v8 ignore stop */

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/**
* The stdio chat app: the default agent spine ({@link @deepseek-ai/dsh-agent-spine-demo}) plus the
* coupled front-door cluster a terminal chat needs — a console logger, the independently
* packaged readline UI, JSONL session persistence, the user-interaction seam with its
* `ask_user_question` tool, and a pre-created `main` agent the UI drives.
* Swappable adapters, executors, optional tools, and HMR stay in the leaf. This
* Loader plugin intentionally exposes named exports only; a default export
* would hide its `Config` schema (see docs/postmortem/0001).
* @module @deepseek-ai/dsh-stdio-demo
*/
import type { Context } from 'cordis'
import ConsoleExporter from '@cordisjs/plugin-logger-console'
import z from 'schemastery'
import { AgentId } from '@deepseek-ai/dsh-agent'
import { SessionId } from '@deepseek-ai/dsh-session'
import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools'
import * as agentCore from '@deepseek-ai/dsh-agent-spine-demo'
import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl'
import UserInteractionService from '@deepseek-ai/dsh-user-interaction'
import * as toolAskUser from '@deepseek-ai/dsh-tool-ask-user'
import * as uiStdio from '@deepseek-ai/dsh-stdio'
export const name = 'stdio-demo'
/**
* App config: the swappable per-demo values, each routed to where the app wires
* it. `provider`/`model`/`resumeSessionId` configure the pre-created `main` agent (through
* {@link @deepseek-ai/dsh-agent-spine-demo}'s forwarded `agents` list); `persona` is
* the deployment persona (forwarded to the system-prompt plugin); `toolOrder`
* is the explicit model-facing tool order (forwarded to the system-prompt plugin);
* fresh sessions use `process.cwd()` as their workspace cwd; resumed sessions
* keep their persisted cwd. `persistenceRoot` is the JSONL backend's directory;
* `welcome` is the UI banner.
*/
export interface Config {
/** Provider route for the `main` agent. */
provider: string
/** Model name for the `main` agent (must have a registered adapter). */
model: string
/** Deployment persona (the system-prompt plugin's `persona` config). */
persona?: string
/** Explicit model-facing tool order (the system-prompt plugin's `toolOrder` config; see dsh-system-prompt). */
toolOrder?: string[]
/** Tool-registry config — its presentation `mode` (forwarded through agent-spine-demo; see dsh-tools). */
tools?: ToolsConfig
/** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */
persistenceRoot?: string
/** stdin-chat banner printed once on start. Defaults to `'ready.'`. */
welcome?: string
/** Skill registry, local-provider, and model-facing consumer config forwarded to agent-spine-demo. */
skills?: agentCore.SkillConfig
/**
* If set, the `main` agent RESUMES this persisted session id instead of
* starting fresh. Sourced from an env var in the leaf `cordis.yml`
* (`resumeSessionId: !!js process.env.RESUME_SESSION_ID`).
*/
resumeSessionId?: string
}
export const Config: z<Config> = z.object({
provider: z.string().required(),
model: z.string().required(),
persona: z.string(),
// The array default is forced to undefined: ABSENT means "lexicographic
// order" (the owning dsh-system-prompt schema does the same), while
// schemastery's native [] default would read as an invalid configured list.
toolOrder: z.array(z.string()).default(undefined as unknown as string[]),
tools: ToolRegistry.Config,
// TODO(single-default-literal): share these schema defaults and defensive
// apply() fallbacks through named constants while retaining both boundaries.
persistenceRoot: z.string().default('./.sessions'),
welcome: z.string().default('ready.'),
skills: agentCore.SkillConfigSchema,
resumeSessionId: z.string(),
})
/**
* Compose the spine with the stdio front door. The console logger comes first
* (infra), then the agent-spine-demo bundle pre-creating the `main` agent from this
* app's `model`/`resumeSessionId` with the deployment `persona`, then the JSONL
* backend, then the readline UI bound to `main`. The `hmr` dev-reload plugin is
* a leaf concern (see the module doc), so it is not mounted here.
*/
export function apply(ctx: Context, config: Config): void {
ctx.plugin(ConsoleExporter)
ctx.plugin(agentCore, {
...config.persona !== undefined ? { persona: config.persona } : {},
...config.toolOrder !== undefined ? { toolOrder: config.toolOrder } : {},
...config.tools !== undefined ? { tools: config.tools } : {},
agents: [{
id: AgentId('main'),
provider: config.provider,
model: config.model,
cwd: process.cwd(),
...config.resumeSessionId !== undefined ? { resumeSessionId: SessionId(config.resumeSessionId) } : {},
}],
...config.skills !== undefined ? { skills: config.skills } : {},
})
ctx.plugin(SessionPersistenceJsonl, { root: config.persistenceRoot ?? './.sessions' })
ctx.plugin(UserInteractionService)
ctx.plugin(toolAskUser)
ctx.plugin(uiStdio, { welcome: config.welcome ?? 'ready.', agent: 'main' })
}

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import { spawn } from 'node:child_process'
import { cp, mkdtemp, mkdir, rm, symlink, writeFile, readFile } from 'node:fs/promises'
import { existsSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { dirname, join } from 'node:path'
import { fileURLToPath } from 'node:url'
import { afterEach, describe, expect, it } from 'vitest'
/**
* Published-entry smoke: run `lib/bin.js` under plain Node in a symlinked external consumer and
* require the banner plus echo round-trip. This catches built-only early-exit and config-resolution
* failures masked by tsx source smokes. It skips before build; `--expose-internals` enables Cordis
* bare-plugin loading, matching the demo command.
*/
const repoRoot = fileURLToPath(new URL('../../../../', import.meta.url))
const stdioBin = join(repoRoot, 'packages/examples/stdio-demo/lib/bin.js')
// Symlink each required workspace package by package name so plain Node resolves its built `main`,
// matching an installed dependency rather than tsconfig paths.
const dshPackages = [
'examples/agent-spine-demo', 'core/agent', 'core/session', 'core/system-prompt',
'core/tools', 'core/agent-loop', 'llm/llm', 'bash/bash', 'bash/bash-local',
'bash/tool-bash', 'support/invariants', 'ui/app-boot',
'session-persistence/session-persistence',
'session-persistence/session-persistence-jsonl', 'examples/stdio-demo',
'ui/stdio', 'ui/tool-ask-user', 'ui/user-interaction',
]
const vendorPackages = [
'cordis', 'loader', 'include', 'timer', 'hmr', 'logger-console',
'schemastery', 'cosmokit',
]
async function pkgName(absDir: string): Promise<string> {
const json = JSON.parse(await readFile(join(absDir, 'package.json'), 'utf8')) as { name: string }
return json.name
}
/**
* Build a temporary external consumer with built workspace/vendor links and a mock-backed config.
* The optional missing-but-disabled plugin verifies load guards accept intentionally fiber-less
* entries rather than treating them as import failures.
*/
async function makeConsumer(welcome: string, disabledBrokenEntry = false): Promise<string> {
const dir = await mkdtemp(join(tmpdir(), 'stdio-built-bin-'))
const nm = join(dir, 'node_modules')
for (const rel of dshPackages) {
const abs = join(repoRoot, 'packages', rel)
const name = await pkgName(abs)
const target = join(nm, name)
await mkdir(dirname(target), { recursive: true })
await symlink(abs, target)
}
for (const v of vendorPackages) {
const abs = join(repoRoot, 'vendor', v)
const name = await pkgName(abs)
const target = join(nm, name)
await mkdir(dirname(target), { recursive: true })
await symlink(abs, target)
}
// The example's mock model + echo tool are example-local TS plugins (Node
// 22.19+ — the engines floor — strips types natively, so plain `node` loads
// them); they import the workspace packages the symlinked node_modules now
// provides.
await cp(join(repoRoot, 'examples/echo-agent/src'), join(dir, 'src'), { recursive: true })
await writeFile(join(dir, 'cordis.yml'), [
'- id: mock-llm',
' name: \'./src/mock-llm.ts\'',
'- id: echo-tool',
' name: \'./src/echo-tool.ts\'',
'- id: bash',
' name: \'@deepseek-ai/dsh-bash-local\'',
'- id: stdio-agent',
' name: \'@deepseek-ai/dsh-stdio-demo\'',
' config:',
' provider: mock',
' model: mock-echo',
' persona: \'demo\'',
` welcome: '${welcome}'`,
...disabledBrokenEntry
? ['- id: off', ' name: \'./src/does-not-exist.ts\'', ' disabled: true']
: [],
'',
].join('\n'))
return dir
}
/** Run the built bin in `cwd` against `configArg` with one stdin line; resolve with stdout/stderr + exit code. */
function runBuiltBin(cwd: string, configArg: string, line: string): Promise<{ stdout: string; code: number; stderr: string }> {
return new Promise((resolve, reject) => {
// --expose-internals: the cordis Loader resolves bare plugin specifiers via
// its internal module loader (active only under this flag); demo:echo passes
// it too. NO tsx — this is the published `node lib/bin.js` path.
const child = spawn(process.execPath, ['--expose-internals', stdioBin, configArg], {
cwd,
// Mock model: never calls the network, so no key needed.
env: { ...process.env, DSH_HOME: join(cwd, '.dsh'), DSH_AGENTS_HOME: join(cwd, '.agents') },
stdio: ['pipe', 'pipe', 'pipe'],
})
let stdout = ''
let stderr = ''
child.stdout.setEncoding('utf8')
child.stdout.on('data', (c: string) => { stdout += c })
child.stderr.setEncoding('utf8')
child.stderr.on('data', (c: string) => { stderr += c })
const timer = setTimeout(() => {
child.kill('SIGKILL')
reject(new Error(`built bin did not exit within 25s. stdout:\n${stdout}\nstderr:\n${stderr}`))
}, 25_000)
child.on('exit', (code) => { clearTimeout(timer); resolve({ stdout, code: code ?? -1, stderr }) })
child.on('error', (err) => { clearTimeout(timer); reject(err) })
child.stdin.write(`${line}\n`)
child.stdin.end()
})
}
let consumer: string | undefined
afterEach(async () => {
if (consumer !== undefined) await rm(consumer, { recursive: true, force: true })
consumer = undefined
})
describe.skipIf(!existsSync(stdioBin))('dsh-stdio-demo BUILT bin (node lib/bin.js, no tsx)', () => {
it('boots the published bin, prints its banner, and runs the echo tool round-trip', async () => {
consumer = await makeConsumer('BUILT-BIN-OK ready.')
const { stdout, code, stderr } = await runBuiltBin(consumer, './cordis.yml', 'echo hi')
expect(stderr).not.toContain('UNHANDLED')
expect(stderr).not.toContain('without inject')
// The banner proves boot() awaited the tree (the settle-race regression would
// exit 0 with empty stdout); the round-trip proves the whole app mounted.
expect(stdout).toContain('BUILT-BIN-OK ready.')
expect(stdout).toContain('[tool call] echo')
expect(stdout).toContain('[tool result] ECHO: HI')
expect(code).toBe(0)
}, 30_000)
it('boots cleanly when the config disables an (otherwise unresolvable) entry', async () => {
// A `disabled: true` entry settles without a fiber by design; the fail-loud entry-load
// guard must not mistake it for a failed import. The nonexistent path makes that distinction
// observable while the successful round-trip proves boot continued.
consumer = await makeConsumer('DISABLED-OK ready.', true)
const { stdout, code, stderr } = await runBuiltBin(consumer, './cordis.yml', 'echo hi')
expect(stderr).not.toContain('failed to load')
expect(stdout).toContain('DISABLED-OK ready.')
expect(stdout).toContain('[tool result] ECHO: HI')
expect(code).toBe(0)
}, 30_000)
it('fails LOUD (non-zero exit + stderr) on a config whose directory does not exist', async () => {
// boot() pre-resolves the bootstrap include to an absolute URL, so a nonexistent config
// directory cannot break its import; the include plugin's own read must fail loud instead.
consumer = await makeConsumer('unused')
const { code, stderr } = await runBuiltBin(consumer, '/nonexistent/dir/cordis.yml', '')
expect(code).not.toBe(0)
expect(stderr).toContain('config file not found')
}, 30_000)
it('fails LOUD (non-zero exit + stderr) on a missing config file in a real directory', async () => {
// Existing directory plus missing config exercises the include plugin's fail-loud path.
consumer = await makeConsumer('unused')
const { code, stderr } = await runBuiltBin(consumer, './does-not-exist.yml', '')
expect(code).not.toBe(0)
expect(stderr).toContain('config file not found')
}, 30_000)
})

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import { describe, it, expect } from 'vitest'
import { mkdtemp } from 'node:fs/promises'
import { join } from 'node:path'
import { tmpdir } from 'node:os'
import { Context } from 'cordis'
import Loader from '@cordisjs/plugin-loader'
import { AgentId, agentEvents, type Agent } from '@deepseek-ai/dsh-agent'
import type { Message } from '@deepseek-ai/dsh-llm'
import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt'
import * as stdioAgent from '../src/index.ts'
/**
* Unit coverage for app composition and config forwarding: console logger, pre-created main agent,
* agent-core spine, JSONL backend, and readline UI. HMR is a Loader-only leaf concern covered by the
* keyless echo smoke; this tier pins the export shape because an inject-less app could otherwise
* survive namespace collapse while silently losing its schema.
*/
async function mount(config: stdioAgent.Config): Promise<Context> {
const ctx = new Context()
await ctx.plugin(stdioAgent, config)
// The app mounts its children inside apply() (not awaited there); let their
// fibers settle so the spine services + the pre-created agent are ready.
await new Promise(resolve => setTimeout(resolve, 80))
return ctx
}
async function isolatedSkillsConfig(catalogDescriptionMaxLength?: number): Promise<NonNullable<stdioAgent.Config['skills']>> {
const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-demo-skills-'))
return {
local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') },
...catalogDescriptionMaxLength !== undefined ? { tool: { catalogDescriptionMaxLength } } : {},
}
}
async function composePrefix(ctx: Context): Promise<Message[]> {
const agent = { session: { header: { cwd: '/tmp' } } } as unknown as Agent
const empty: Message[] = []
return await agentEvents(ctx, agent).waterfall(
'agent/session-prefix', empty, new AbortController().signal,
() => Promise.resolve(empty),
)
}
async function withIsolatedSkillHomes<T>(run: () => Promise<T>): Promise<T> {
const oldDshHome = process.env.DSH_HOME
const oldAgentsHome = process.env.DSH_AGENTS_HOME
const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-demo-default-skills-'))
process.env.DSH_HOME = join(home, '.dsh')
process.env.DSH_AGENTS_HOME = join(home, '.agents')
try {
return await run()
} finally {
if (oldDshHome === undefined) {
delete process.env.DSH_HOME
} else {
process.env.DSH_HOME = oldDshHome
}
if (oldAgentsHome === undefined) {
delete process.env.DSH_AGENTS_HOME
} else {
process.env.DSH_AGENTS_HOME = oldAgentsHome
}
}
}
describe('dsh-stdio-demo app', () => {
it('composes the spine + front-door cluster and pre-creates the main agent', async () => {
const ctx = await mount({ provider: 'mock', model: 'mock', persona: 'hi', persistenceRoot: '/tmp/dsh-stdio-demo-spec', skills: await isolatedSkillsConfig() })
// The spine services (brought up by the agent-core bundle) are all present.
expect(ctx.get('agents')).toBeDefined()
expect(ctx.get('agentLoop')).toBeDefined()
expect(ctx.get('sessionPersistence')).toBeDefined()
expect(ctx.get('userInteraction')).toBeDefined()
expect(ctx.get('tools')?.get('ask_user_question')).toBeDefined()
// The pre-created `main` agent the UI drives.
const agent = ctx.get('agents')?.get(AgentId('main'))
expect(agent).toBeDefined()
expect(agent?.session.header.cwd).toBe(process.cwd())
await ctx.fiber.dispose()
})
it('defaults persistenceRoot and welcome when omitted', async () => {
// Direct apply (NOT via ctx.plugin, which validates+defaults the config
// first) so the runtime `?? './.sessions'` / `?? 'ready.'` fallbacks on
// apply()'s last two lines are the ones that fire — covering a
// schema-bypassing direct-mount caller.
const ctx = new Context()
// No persona: covers the omitted-persona forwarding branch too.
stdioAgent.apply(ctx, { provider: 'mock', model: 'mock', skills: await isolatedSkillsConfig() })
await new Promise(resolve => setTimeout(resolve, 80))
expect(ctx.get('sessionPersistence')).toBeDefined()
expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined()
await ctx.fiber.dispose()
})
it('uses default skill config when apply is called directly without skills', async () => {
await withIsolatedSkillHomes(async () => {
const ctx = new Context()
stdioAgent.apply(ctx, { provider: 'mock', model: 'mock' })
await new Promise(resolve => setTimeout(resolve, 80))
expect(ctx.skills).toBeDefined()
expect(await ctx.skills.list()).toEqual([])
await ctx.fiber.dispose()
})
})
it('forwards resumeSessionId onto the pre-created agent when set', async () => {
// A resume id defers agent creation until persistence loads; with no backing
// session the resume is contained + logged, so no `main` agent registers —
// the branch that maps resumeSessionId through is what this covers.
const ctx = await mount({
provider: 'mock',
model: 'mock',
persona: 'hi',
persistenceRoot: '/tmp/dsh-stdio-demo-spec-resume',
resumeSessionId: 'no-such-session',
skills: await isolatedSkillsConfig(),
})
expect(ctx.get('agents')?.get(AgentId('main'))).toBeUndefined()
await ctx.fiber.dispose()
})
it('forwards skill config into agent-core', async () => {
const ctx = await mount({ provider: 'mock', model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig(6) })
ctx.skills.register({ name: 'stdio-skill', description: 'Stdio skill', source: 'runtime', content: 'body' })
expect(JSON.stringify(await composePrefix(ctx))).toContain('- `stdio-skill`: Std...')
await ctx.fiber.dispose()
})
it('exposes its name and Config schema', () => {
expect(stdioAgent.name).toBe('stdio-demo')
expect(stdioAgent.Config).toBeDefined()
})
it('forwards toolOrder through agent-core to the system-prompt assembly', async () => {
const ctx = await mount({
provider: 'mock',
model: 'mock',
toolOrder: ['zulu', TOOL_ORDER_REST],
persistenceRoot: '/tmp/dsh-stdio-demo-spec-tool-order',
})
// The bundle's own bash tools pend on the absent `ctx.bash` executor in
// this providerless mount, so register two plain tools to order.
for (const name of ['alpha', 'zulu']) {
ctx.get('tools')!.register({
name,
description: name,
parameters: {},
execute: async () => [],
})
}
const assembly = await ctx.get('systemPrompt')!.assemble()
expect(assembly.tools.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'ask_user_question', 'skill'])
await ctx.fiber.dispose()
})
it('has the namespace-plugin export shape (no stray default) so the Loader keeps name/Config/apply', () => {
// A default export would make `unwrapExports` collapse this inject-less namespace and silently
// drop `name`/`Config` while the app still boots. Guard the postmortem-0001 shape directly.
expect('default' in stdioAgent).toBe(false)
expect(typeof stdioAgent.apply).toBe('function')
const loader = Object.create(Loader.prototype) as Loader
const unwrapped = loader.unwrapExports(stdioAgent) as Record<string, unknown>
expect(unwrapped).toBe(stdioAgent)
expect(unwrapped.name).toBe('stdio-demo')
expect(unwrapped.Config).toBeDefined()
expect(typeof unwrapped.apply).toBe('function')
})
})

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@@ -0,0 +1,48 @@
{
"extends": "../../../tsconfig.base.json",
"compilerOptions": {
"rootDir": "src",
"outDir": "lib/types"
},
"include": [
"src"
],
"references": [
{
"path": "../../../vendor/cordis"
},
{
"path": "../../../vendor/schemastery"
},
{
"path": "../../../vendor/loader"
},
{
"path": "../../ui/app-boot"
},
{
"path": "../../../vendor/logger-console"
},
{
"path": "../../core/agent"
},
{
"path": "../../core/session"
},
{
"path": "../agent-spine-demo"
},
{
"path": "../../ui/user-interaction"
},
{
"path": "../../ui/stdio"
},
{
"path": "../../ui/tool-ask-user"
},
{
"path": "../../session-persistence/session-persistence-jsonl"
}
]
}

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@@ -0,0 +1,19 @@
import { defineConfig } from 'tsdown'
/**
* stdio-agent ships TWO entries: the plugin (`index`) and the CLI `bin`
* (`bin`), the latter referenced by package.json `bin`/`exports["./bin"]`.
* The root tsdown builds only `lib/types/index.js`, so this override adds
* `lib/types/bin.js`. Declarations come from `tsc -b` (dts: false),
* matching every package.
*/
export default defineConfig({
entry: ['lib/types/index.js', 'lib/types/bin.js'],
outDir: 'lib',
format: ['esm'],
platform: 'node',
target: 'es2024',
fixedExtension: false,
dts: false,
clean: false,
})