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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Local adapters are the bridge between Paperclip's control plane and provider CLIs such as Claude Code and Codex. > - Those adapters can run either on the host machine or inside a remote/sandbox execution target. > - Sandbox probes need to validate the same auth/config path that real sandbox execution will use. > - The previous probe paths could surface misleading Claude errors, rely on host-only Codex state, or upload far more Codex home state than the probe needed. > - This pull request fixes the Claude and Codex sandbox probe/runtime behavior together while keeping provider-specific sandbox image work out of scope. > - The benefit is faster, clearer adapter health checks that better match real sandbox execution. ## Linked Issues or Issue Description No public GitHub issue was found for this exact bug during duplicate search. Bug report: **What happened?** Sandboxed Claude/Codex adapter tests could diverge from real runtime auth/config behavior. Claude sandbox probes could show the leading stream init line instead of the real final error, and Codex sandbox probes could upload full managed home state or mask a sandbox-local login with an empty uploaded `CODEX_HOME`. **Expected behavior** Sandbox probes should exercise the remote runtime contract, preserve useful sandbox credentials, avoid relying on unrelated host state, and report actionable probe failures. **Steps to reproduce** 1. Configure a remote/sandbox execution target for `claude_local` or `codex_local`. 2. Run the environment Test/probe path where host credentials differ from the sandbox's runtime credentials or the managed Codex home contains session history. 3. Observe that probe behavior can differ from the actual sandbox runtime path or surface an unhelpful Claude stream initialization line. **Paperclip version or commit** Current `master` before this PR, based on `4a2447da3`. **Deployment mode** Local development/control-plane deployment with remote sandbox execution targets. Related search performed: - Public issues: `Claude sandbox probe`, `Codex CODEX_HOME sandbox` returned no matches. - Public PRs: `Claude Codex sandbox probe`, `codex home sandbox`, `claude auth sandbox` returned no matches. ## What Changed - Made Claude sandbox Test probes materialize the same Paperclip-managed Claude config seed path used by sandbox execution. - Preserved sandbox-local Claude credentials when materializing remote Claude config and expanded auth-required detection for `/login` API-key failures. - Improved Claude hello-probe diagnostics so the final result/error is surfaced instead of the unhelpful stream init event, with transient upstream failures downgraded to warnings. - Changed Codex probe behavior to upload only minimal auth/config files instead of the full managed `CODEX_HOME`. - Let Codex sandbox probes leave `CODEX_HOME` unset when the host has no credentials, so pre-authenticated sandbox images can be tested directly. - Excluded bulky host-local Codex session/shell state from sandbox runtime home uploads. - Switched the Codex local default model away from the ChatGPT-unsupported `gpt-5.3-codex` option. - Added regression coverage for Claude parsing/probe paths, Codex adapter metadata/argument/probe behavior, and server-level Claude sandbox environment behavior. ## Verification Passed locally: - `pnpm install --frozen-lockfile` - `pnpm vitest run packages/adapters/claude-local/src/server/parse.test.ts packages/adapters/claude-local/src/server/test.probe.test.ts server/src/__tests__/claude-local-adapter-environment.test.ts` - `pnpm vitest run packages/adapters/codex-local/src/index.test.ts packages/adapters/codex-local/src/server/codex-args.test.ts packages/adapters/codex-local/src/server/test.remote.test.ts` - `pnpm --filter @paperclipai/adapter-claude-local typecheck` - `pnpm --filter @paperclipai/adapter-codex-local typecheck` - `pnpm --filter @paperclipai/server typecheck` - `git diff --check` ## Risks - Adapter configuration behavior is sensitive to local vs sandboxed execution mode, so review should focus on environment detection, argument construction, and any state written during probe/test runs. - The Codex default-model change may affect newly created agents that rely on the adapter default instead of an explicit model. - Excluding Codex session/shell state from sandbox uploads should be safe for fresh sandbox runs, but reviewers should confirm no runtime resume path depends on that host-local state. - Provider-specific setup/capture behavior is intentionally left to separate work. ## Model Used OpenAI GPT-5 Codex via Paperclip `codex_local`; tool-enabled local coding session with terminal access. Context window size was not exposed by the runtime. ## 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 - [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>