Files
PaperClipAI/package.json
T
DottaandPaperclip d31a28828b fix(acpx): support Windows agent spawning (#9980)
## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work
> - Local Claude, Codex, Gemini, and custom ACP adapters run through the
shared embedded ACPX engine
> - That engine wrapped every local agent command in a generated Bash
script to inject environment variables and filter child stderr
> - Windows cannot directly spawn that Bash wrapper, and npm/pnpm ACP
binaries are exposed through `.cmd` shims there
> - ACPX 0.12 already supports per-session child environment variables,
so the wrapper is unnecessary
> - This pull request registers agent commands directly, injects env
through ACPX session options, captures child stderr in-process, and adds
a real Node ACP spawn smoke on Ubuntu and Windows
> - The benefit is one cross-platform spawn path with a reusable smoke
test instead of parallel shell-wrapper implementations

## Linked Issues or Issue Description

Fixes #9941.
Refs #9428 and #9771.

**What happened**

ACPX-backed local agents failed to start on Windows because Paperclip
registered a generated POSIX `.sh` wrapper as the agent command. Windows
also needs the `.cmd` npm/pnpm shim when resolving built-in ACP
binaries, and symlink creation can fail with `EPERM` for seeded
auth/skill files.

**Expected behavior**

The same ACPX engine path should spawn a real ACP agent on Windows and
Linux, forward Paperclip/runtime env without mutating `process.env`,
preserve filtered/unfiltered child stderr behavior, and fall back to
copies where Windows symlinks are unavailable.

**Steps to reproduce**

Run a local ACPX adapter on Windows with the prior wrapper path. ACPX
attempts to spawn the generated `.sh` file and the agent never
initializes.

**Deployment mode**

Local Paperclip adapters using
`packages/adapter-utils/src/acpx-engine/`.

## What Changed

- Removed generated Bash agent/env wrappers and registered local
commands directly with ACPX.
- Passed the resolved child environment through ACPX
`sessionOptions.env`, including resume retry paths.
- Added a minimal `acpx@0.12.0` package patch exposing child stderr
callbacks and allowing documented uppercase env-map keys in persisted
session options.
- Moved stderr tee/filter behavior in-process: raw stderr remains in the
per-run file while benign `nes/close` noise is omitted from live stderr.
- Preferred `.cmd` ancestor binaries on Windows and added `EPERM` copy
fallbacks for Codex auth seeding and Gemini skill materialization.
- Added a real Node ACP echo-agent spawn smoke that can run directly on
any supported platform.

## Verification

- `pnpm exec vitest run
packages/adapter-utils/src/acpx-engine/execute.test.ts
packages/adapter-utils/src/acpx-engine/spawn-smoke.test.ts` — 57 passed.
- `pnpm --filter @paperclipai/adapter-utils typecheck` — passed.
- `node --test scripts/acpx-patch-packaging.test.mjs
scripts/release-lib.test.mjs` — 10 passed.
- Full canary release dry run under Node 24.18.0 / npm 11.16.0 — passed
in an isolated scratch clone.
- `git diff --check` — passed during implementation verification.
- One-time GitHub Actions proof: [Ubuntu ACPX spawn
smoke](https://github.com/paperclipai/paperclip/actions/runs/29924348927/job/88937774579),
[Windows ACPX spawn
smoke](https://github.com/paperclipai/paperclip/actions/runs/29924348927/job/88937774558),
and [Canary Dry
Run](https://github.com/paperclipai/paperclip/actions/runs/29924348927/job/88937774497)
passed on head `f345ac69f2`; the dedicated smoke jobs are intentionally
not retained in the recurring PR workflow.

## Risks

- The ACPX stderr callback and env persistence exemption are carried as
a pnpm dependency patch until ACPX exposes/fixes those behaviors
upstream.
- Child stderr is synchronously appended to preserve ordering and
failure diagnostics; unusually high-volume agent stderr could briefly
block the Node event loop.
- The Windows-specific `.cmd` resolution and symlink `EPERM` branches
are proven by the standalone smoke test and the linked one-time
`windows-latest` run rather than a permanent CI gate.

> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.

## Model Used

- OpenAI GPT-5.4 via Codex CLI, medium reasoning, repository/tool
execution enabled; context-window size is not exposed in this session.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have searched GitHub for duplicate or related PRs and linked
them above
- [x] I have either (a) linked existing issues with `Fixes: #` / `Closes
#` / `Refs #` OR (b) described the issue in-PR following the relevant
issue template
- [x] I have not referenced internal/instance-local Paperclip issues or
links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip`
URLs)
- [x] My branch name describes the change (e.g. `docs/...`, `fix/...`)
and contains no internal Paperclip ticket id or instance-derived details
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [ ] All Paperclip CI gates are green
- [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
2026-07-22 10:22:29 -05:00

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{
"name": "paperclip",
"private": true,
"type": "module",
"scripts": {
"postinstall": "node scripts/link-plugin-dev-sdk.mjs",
"preflight:workspace-links": "node cli/node_modules/tsx/dist/cli.mjs scripts/ensure-workspace-package-links.ts",
"dev": "pnpm --filter @paperclipai/server exec tsx ../scripts/dev-runner.ts watch",
"dev:watch": "pnpm --filter @paperclipai/server exec tsx ../scripts/dev-runner.ts watch",
"dev:once": "pnpm --filter @paperclipai/server exec tsx ../scripts/dev-runner.ts dev",
"dev:list": "pnpm --filter @paperclipai/server exec tsx ../scripts/dev-service.ts list",
"dev:stop": "pnpm --filter @paperclipai/server exec tsx ../scripts/dev-service.ts stop",
"dev:server": "pnpm --filter @paperclipai/server dev",
"dev:ui": "pnpm --filter @paperclipai/ui dev",
"storybook": "pnpm --filter @paperclipai/ui storybook",
"build-storybook": "pnpm --filter @paperclipai/ui build-storybook",
"build": "pnpm run preflight:workspace-links && pnpm -r build",
"typecheck": "pnpm run preflight:workspace-links && pnpm -r typecheck",
"typecheck:build-gaps": "pnpm run preflight:workspace-links && pnpm --filter @paperclipai/plugin-sdk ensure-build-deps && pnpm --filter @paperclipai/server build && node scripts/run-typecheck-build-gaps.mjs",
"test": "pnpm run test:run",
"test:watch": "pnpm run preflight:workspace-links && vitest",
"test:run": "pnpm run preflight:workspace-links && node scripts/run-vitest-stable.mjs",
"test:run:general": "pnpm run preflight:workspace-links && pnpm --filter @paperclipai/plugin-sdk ensure-build-deps && node scripts/run-vitest-stable.mjs --mode general",
"test:run:serialized": "pnpm run preflight:workspace-links && pnpm --filter @paperclipai/plugin-sdk ensure-build-deps && node scripts/run-vitest-stable.mjs --mode serialized",
"db:generate": "pnpm --filter @paperclipai/db generate",
"db:migrate": "pnpm --filter @paperclipai/db migrate",
"issue-references:backfill": "pnpm run preflight:workspace-links && tsx scripts/backfill-issue-reference-mentions.ts",
"secrets:migrate-inline-env": "tsx scripts/migrate-inline-env-secrets.ts",
"db:backup": "./scripts/backup-db.sh",
"paperclipai": "node cli/node_modules/tsx/dist/cli.mjs cli/src/index.ts",
"build:npm": "./scripts/build-npm.sh",
"release": "./scripts/release.sh",
"release:canary": "./scripts/release.sh canary",
"release:stable": "./scripts/release.sh stable",
"release:github": "./scripts/create-github-release.sh",
"release:rollback": "./scripts/rollback-latest.sh",
"release:bootstrap-package": "node scripts/bootstrap-npm-package.mjs",
"check:tokens": "node scripts/check-forbidden-tokens.mjs",
"check:token-gates": "node scripts/check-token-gates.mjs",
"check:no-git-push": "node scripts/check-no-git-push.mjs",
"test:check-no-git-push": "node --test scripts/check-no-git-push.test.mjs",
"test:hermes-gateway-smoke": "node --test scripts/smoke/hermes-gateway-smoke.test.mjs",
"docs:dev": "cd docs && npx mintlify dev",
"smoke:hermes-gateway-join": "./scripts/smoke/hermes-gateway-join.sh",
"smoke:hermes-gateway-e2e": "./scripts/smoke/hermes-gateway-e2e.sh",
"smoke:openclaw-join": "./scripts/smoke/openclaw-join.sh",
"smoke:openclaw-docker-ui": "./scripts/smoke/openclaw-docker-ui.sh",
"smoke:openclaw-sse-standalone": "./scripts/smoke/openclaw-sse-standalone.sh",
"smoke:mcp-fixtures": "node scripts/smoke/mcp-fixture-harness.mjs",
"smoke:pipelines-tutorial": "./scripts/smoke/pipelines-tutorial-smoke.sh",
"smoke:terminal-bench-loop-skill": "node scripts/smoke/terminal-bench-loop-skill-smoke.mjs",
"test:release-registry": "node --test scripts/verify-release-registry-state.test.mjs scripts/release-package-map.test.mjs scripts/check-release-package-bootstrap.test.mjs scripts/check-no-git-push.test.mjs scripts/release-lib.test.mjs scripts/release-registry-versions.test.mjs scripts/link-plugin-dev-sdk.test.js scripts/acpx-patch-packaging.test.mjs",
"storybook-visual:baseline": "node scripts/storybook-visual-baseline.mjs",
"test:storybook-visual": "node scripts/storybook-visual-baseline.mjs download && node scripts/storybook-visual-baseline.mjs verify && pnpm build-storybook && npx playwright test --config tests/storybook-visual/playwright.config.ts",
"test:storybook-visual:update": "node scripts/storybook-visual-baseline.mjs download && pnpm build-storybook && npx playwright test --config tests/storybook-visual/playwright.config.ts --update-snapshots && node scripts/storybook-visual-baseline.mjs pack",
"test:e2e": "npx playwright test --config tests/e2e/playwright.config.ts",
"test:e2e:mcp-user-stories": "node scripts/e2e-mcp-user-stories.mjs",
"test:e2e:headed": "npx playwright test --config tests/e2e/playwright.config.ts --headed",
"test:e2e:multiuser-authenticated": "npx playwright test --config tests/e2e/playwright-multiuser-authenticated.config.ts",
"evals:smoke": "cd evals/promptfoo && npx promptfoo@0.103.3 eval",
"test:release-smoke": "npx playwright test --config tests/release-smoke/playwright.config.ts",
"test:release-smoke:headed": "npx playwright test --config tests/release-smoke/playwright.config.ts --headed",
"metrics:paperclip-commits": "tsx scripts/paperclip-commit-metrics.ts",
"perf:issue-chat-long-thread": "node scripts/measure-issue-chat-long-thread.mjs",
"connections:ingest-app-definitions": "node scripts/ingest-app-definitions.mjs"
},
"devDependencies": {
"@playwright/test": "^1.61.1",
"cross-env": "^10.1.0",
"esbuild": "^0.28.1",
"typescript": "^5.7.3",
"vitest": "^4.1.10"
},
"engines": {
"node": ">=20"
},
"packageManager": "pnpm@9.15.4",
"pnpm": {
"patchedDependencies": {
"embedded-postgres@18.1.0-beta.16": "patches/embedded-postgres@18.1.0-beta.16.patch",
"acpx@0.12.0": "patches/acpx@0.12.0.patch"
},
"overrides": {
"rollup": ">=4.59.0",
"react": "^19.2.7",
"react-dom": "^19.2.7",
"lexical": "0.46.0",
"@lexical/clipboard": "0.46.0",
"@lexical/link": "0.46.0",
"@lexical/list": "0.46.0",
"@lexical/markdown": "0.46.0",
"@lexical/plain-text": "0.46.0",
"@lexical/react": "0.46.0",
"@lexical/rich-text": "0.46.0",
"@lexical/selection": "0.46.0",
"@lexical/utils": "0.46.0"
}
}
}