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Nicky LeachandPaperclip
e52b8a343f
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Agent adapters run ACP sessions and manage runtime, workspace, and lease resources. > - Several failure paths left runtime bridges, staged workspaces, or environment leases active after an error. > - These leaks reduce run reliability and can leave later runs without clean resources. > - This pull request closes the failure paths, applies one teardown policy, and adds regression tests. > - The benefit is consistent failure settlement and safer reuse of agent workspaces and leases. ## Linked Issues or Issue Description **What happened?** ACP runs could leave runtime bridges, staged workspaces, or environment leases active after failures. Claude and Gemini ACP runs did not restore the sandbox workspace on teardown. Lease release stopped when one lease returned an error. **Expected behavior** Each ACP failure must return an error result and settle its resources. Teardown must run each step, release leases independently, and restore the host workspace when the sandbox ends. Pending cleanup leases must receive bounded retry attempts. **Steps to reproduce** 1. Run an ACP session that fails after runtime creation or during turn preparation. 2. Run an ACP session that fails during a warm hit or staged runtime handoff. 3. Run lease cleanup with more than one lease when the first release returns an error. 4. Inspect the result phase, teardown calls, workspace state, and lease metadata. 5. Run the regression suites listed in the Verification section. ## What Changed - Settle every ACP failure after runtime creation with an error result and one sandbox.startup span closure. - Close the ACP runtime and remove warm entries after every pre-turn failure. - Run all teardown steps, record teardown errors, release staging leases in finally, and prevent duplicate teardown. - Dispose staged runtimes after seam failures and remove borrowed staged entries with identity guards. - Add fail-open workspace sync-back teardown for Claude and Gemini ACP adapters. - Isolate lease release errors and add bounded retry sweeps for stranded pending_cleanup leases. - Atomically claim pending_cleanup retries and clamp attempt readers to keep the five-attempt bound. - Default absent provider reusableLeases values to false and align the fake provider with its runtime declaration. - Add regression tests for engine, adapter, server, and shared environment behavior. ## Verification - [x] `npx vitest run packages/adapter-utils/src/acpx-engine/execute.test.ts` — 124 tests passed. - [x] `npx vitest run packages/adapters/codex-local/src/server/acp.test.ts packages/adapters/claude-local/src/server/acp.test.ts packages/adapters/gemini-local/src/server/acp.test.ts` — 61 tests passed. - [x] `npx vitest run server/src/__tests__/environment-runtime.test.ts server/src/__tests__/heartbeat-pending-cleanup-sweep.test.ts server/src/__tests__/reusable-leases-default.test.ts server/src/__tests__/environment-routes.test.ts packages/shared/src/environment-support.test.ts` — passed. - [x] All listed suites ran from the repository root. - [x] GitHub CI completed successfully for `cfc349c9f232711433897915112a1c52c0e462ca`. - [x] Greptile completed with a 5/5 confidence score and no blocking finding. ## Risks The engine changes affect failure settlement and teardown order across ACP runs. The server changes add retry state to existing lease metadata without a schema migration. The adapter changes restore workspaces after sandbox execution. Regression tests cover the changed paths. GitHub CI and Greptile passed for the current head. > For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and discuss it in `#dev` before opening the PR. This change fixes runtime reliability and does not duplicate a roadmap feature. ## Model Used OpenAI GPT-5 Codex. The model used tool-based repository inspection, GitHub operations, and code review support. The runtime does not expose a context-window value. ## 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 (for example, `docs/...` or `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>