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Nicky LeachandPaperclip
cd501499a2
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - The adapter runtime starts, turns, settles, and composes ACPX runs > - Recent lifecycle corrections changed several order and cleanup rules > - Those rules need regression coverage before the planned engine refactor > - This pull request adds characterization suites for the corrected behavior > - The benefit is a clear test baseline for the next refactor ## Linked Issues or Issue Description **What existing behavior does this improve?** The ACPX adapter runtime and server heartbeat lifecycle need stable regression coverage for their current corrected behavior. **Subsystem affected** Cross-cutting (multiple of the above): `packages/adapter-utils` and `server` test suites. **Current behavior** The runtime has corrected rules for startup, turns, settlement, composed results, and heartbeat terminalization. The repository lacks a single characterization baseline for these rules. **Proposed behavior** Keep the current lifecycle rules pinned by five test suites. Let the later engine refactor change behavior only when it updates these tests with a clear reason. **Reason and benefit** The suites expose order, cleanup, transport, timeout, retry, result, and lease-release changes during the refactor. They also record one known latent defect as current behavior. **Breaking changes** None. This pull request adds tests only. ## What Changed - Add startup characterization coverage for commands, launch values, session fingerprints, sync order, bridge overlap, and cleanup paths. - Add turn characterization coverage for inputs, events, transports, timeout and cancel behavior, retry rules, errors, and usage. - Add settlement characterization coverage for teardown, adapter sync-back, workspace restore order, native sync, and error policy. - Add composed-run characterization coverage for result forms, finalization sets, and host-lane warm save and warm hit behavior. - Add server coverage that checks run terminalization before environment lease release. ## Verification - Run `npx vitest run packages/adapter-utils/src/acpx-engine/startup-characterization.test.ts packages/adapter-utils/src/acpx-engine/turn-characterization.test.ts packages/adapter-utils/src/acpx-engine/settlement-characterization.test.ts packages/adapter-utils/src/acpx-engine/composed-run-characterization.test.ts packages/adapter-utils/src/acpx-engine/execute.test.ts`. - Run `npx vitest run server/src/__tests__/heartbeat-run-terminalize-before-release.test.ts`. - The adapter-utils run passes 178 tests, and the server run passes 4 tests. - Check `pnpm --filter @paperclipai/adapter-utils typecheck`. - Check `pnpm --filter @paperclipai/server typecheck`. ## Risks Low risk. The change adds test files and does not change production code. One known cold ensure-session cleanup defect remains pinned as current behavior. ## Model Used OpenAI Codex, GPT-5, with tool use and code execution. ## 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>