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Nicky LeachandPaperclip d6e235cbcf perf(sandbox-providers): drop nvm sourcing from exec wrappers (#10443 )

## Thinking Path

> - Paperclip keeps agent work on a controlled execution plane.
> - Sandbox exec wrappers run on the hot path for agent commands.
> - The current change removes the explicit `nvm.sh` load step from
those wrappers.
> - The sandbox image already restores PATH through profile startup.
> - This pull request keeps profile sourcing where the wrapper still
needs it and drops only the `nvm.sh` load step.
> - The result is a smaller command path with the same node and agent
CLI resolution.

## Linked Issues or Issue Description

No public GitHub issue exists for this change.

Problem:
The sandbox exec wrappers spent extra time sourcing `nvm.sh` before each
command.
The sandbox image already restores PATH in
`/etc/profile.d/00-restore-env.sh`, so that explicit `nvm.sh` work was
redundant.

Proposed solution:
Remove the `nvm.sh` source step from all six wrappers.
Keep the profile sourcing that the provider still needs for PATH setup.

Alternatives considered:
Keep the existing shell setup and accept the launch cost.
That keeps the current behavior, but it leaves the hot path slower than
needed.

Roadmap alignment:
This change keeps the sandbox command path small and predictable.
It does not change the adapter contract or the node resolution rules.

## What Changed

- Removed `nvm.sh` sourcing from all six sandbox exec wrappers.
- Kept profile sourcing where the provider still needs it for PATH
setup.
- Switched Modal to a non-login shell because the script now sources
profiles itself.
- Updated wrapper tests to assert that built commands do not source
`nvm.sh`.

## Verification

- Local TypeScript typecheck passed in each changed package.
- Focused provider tests passed for Daytona, E2B, Modal, exe-dev,
Cloudflare bridge, and adapter-utils.
- One Daytona test failure is pre-existing and unrelated to this change.

## Risks

- This change alters shell startup for sandbox exec paths.
- A provider that depends on implicit shell setup may need a follow-up.
- The current tests cover command shape, but they do not cover every
runtime shell path.

## Model Used

OpenAI Codex, GPT-5, tool use.

## 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 or instance-local Paperclip issues
or links
- [x] My branch name describes the change 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
- [x] All Paperclip CI gates are green
- [x] 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>

2026-07-29 12:40:16 -07:00

src

perf(sandbox-providers): drop nvm sourcing from exec wrappers (#10443 )

2026-07-29 12:40:16 -07:00

CHANGELOG.md

chore: release v0.3.1

2026-03-12 13:09:22 -05:00

package.json

build(deps-dev): bump @types/node from 22.19.21 to 22.20.1 (#10304 )

2026-07-28 10:48:45 -07:00

README.md

PAPA-430: workspace finalize gates + no-remote-git enforcement (#6969 )

2026-05-29 08:25:29 -07:00

tsconfig.json

Fix root TypeScript solution config

2026-03-09 14:09:30 -05:00

README.md

@paperclipai/adapter-utils

Shared utilities for Paperclip adapters: process spawning, environment injection, sandbox/SSH transport, workspace sync, and the round-trip helpers that move code between the local execution-workspace cwd and wherever the agent actually runs.

For the adapter-author guide see docs/adapters/creating-an-adapter.md and the in-repo notes at packages/adapters/AUTHORING.md.

No-remote-git contract

The local execution-workspace cwd is the only persistence boundary across runs. No adapter may depend on a git remote for cross-run state.

Adapters that run the agent on a different host should use the SSH round-trip helpers in src/ssh.ts:

prepareWorkspaceForSshExecution({ spec, localDir, remoteDir }) — bundles the local cwd (tracked files, dirty edits, untracked additions, and the git history needed to reconstruct it) to remoteDir before the run starts. Runs with no git remote configured.
restoreWorkspaceFromSshExecution({ spec, localDir, remoteDir, ... }) — syncs the remote cwd back into localDir after the run, including any new commits the agent created. Also runs with no git remote configured.

prepareRemoteManagedRuntime in src/remote-managed-runtime.ts wraps both calls for adapters that want a per-run remote workspace and an automatic restoreWorkspace() finally hook.

The invariant is pinned by the no-remote-git contract case in src/ssh-fixture.test.ts, which asserts that a remote-only commit propagates to the local worktree through the prepare → restore round-trip with no git remote configured at any point. Do not regress that test.