## 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
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Co-authored-by: Paperclip <noreply@paperclip.ing>
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