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## Thinking Path > - Paperclip orchestrates AI agents for zero-human companies > - Adapters spawn CLIs against local, SSH, and sandbox targets, threading a runtime env through `runAdapterExecutionTargetProcess` and the SSH/sandbox runners > - Host identity vars (HOME, TMPDIR, XDG_*, NVM_DIR, PATH) routinely leak into the env we send to remote targets — sometimes via test probes, sometimes via runtime config — and break sandboxed/SSH'd CLIs whose own profiles set those values correctly > - The sanitization logic existed but lived alongside other helpers in `server-utils.ts` and was applied piecemeal at adapter callsites, so it was easy to bypass > - This pull request lifts the sanitization into a standalone `remote-execution-env.ts`, applies it at the SSH and sandbox runtime boundary so every remote spawn goes through it, and removes the duplicated callsite-level filtering > - The benefit is identity-bound host env stops leaking across SSH/sandbox transports regardless of which adapter calls in ## What Changed - `packages/adapter-utils/src/remote-execution-env.ts`: new module — single source of truth for which env keys are identity-bound and how to strip them when the value matches the host's value - `packages/adapter-utils/src/server-utils.ts`: remove the inline sanitization (now in `remote-execution-env.ts`) - `packages/adapter-utils/src/execution-target.ts`: apply sanitization at the sandbox runtime boundary - `packages/adapter-utils/src/ssh.ts`: apply sanitization at the SSH spawn boundary - `packages/adapters/opencode-local/src/server/test.ts`: drop now-redundant callsite filtering - `packages/adapters/pi-local/src/server/test.ts`: drop now-redundant callsite filtering - New tests `execution-target.test.ts` and `execution-target-sandbox.test.ts` cover the sanitizer flow at both transports, including positive cases (host-shaped path stripped) and explicit-override preservation ## Verification - `pnpm vitest run --no-coverage --project @paperclipai/adapter-utils --project @paperclipai/adapter-opencode-local --project @paperclipai/adapter-pi-local` - `pnpm typecheck` clean ## Risks Low–medium. The sanitization is now applied at one layer (boundary) instead of N (callsites), so behavior is more consistent. Any adapter that previously relied on a leaked host var landing on the remote shell would now see it stripped — but those reliances were what this change exists to fix. ## Model Used Claude Opus 4.7 (1M context) ## 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 run tests locally and they pass - [x] I have added or updated tests where applicable — new tests at both transports - [x] If this change affects the UI, I have included before/after screenshots — N/A (no UI) - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] I will address all Greptile and reviewer comments before requesting merge |
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