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DottaandClaude Opus 5.5
068d814735
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - The restart chaos harness (`tests/restart-chaos/`) runs real agent tasks against an isolated control plane and injects faults > - Cloud servers run in the volume-free mode (`PAPERCLIP_EPHEMERAL_SERVER=true`, durable agent files, run logs in object storage) > - The harness never set that mode, so every wave ran a different server mode from staging. Paths that exist only in that mode were never tested. One of them is the per-agent directory operation lock, so `--fail-recovery-step directory-lock` could never reach its step with any workload > - The re-wake workloads W2 and W2C also lost coverage: an agent that reported phase 1 with disposition `done` closed the task, and the harness never sent the re-wake (four of eight Claude cells on 2026-11-11) > - This pull request adds `--ephemeral-server` and makes the W2/W2C brief ask for a `yielded` phase-1 report > - The benefit is that chaos waves can run in staging's server mode and the re-wake cells test the re-wake on every provider ## Linked Issues or Issue Description **What is the problem?** The restart chaos harness cannot run the control plane in the volume-free mode that Cloud and staging use. The `directory-lock` recovery step (`agent_directory.operation_lock.before_acquire`) is reached only for disposable remote copies, which need `PAPERCLIP_EPHEMERAL_SERVER=true`. W2 and W2C cells also stop before the re-wake when the agent reports phase 1 as `done`. **What is the expected behavior?** A wave can opt in to the volume-free mode on Daytona, and every restart of the wave keeps that mode. The W2 and W2C cells reach the re-wake. **Steps to reproduce** Run `--fail-recovery-step agent_directory.operation_lock.before_acquire:1` on Daytona with any workload: the check `recovery_step_failed_once` reports "never reached". Run W2 on Claude: the first run ends with the task `done` and `rewake_sent` is "never sent". ## What Changed - `assertIsolatedServerEnvironment` (`tests/runner-e2e/harness-env.ts`) takes `expected.generatedSecretsMasterKey`. It admits `PAPERCLIP_SECRETS_MASTER_KEY` only when that parameter is set and equals the value exactly. `PAPERCLIP_SECRETS_MASTER_KEY_FILE` stays refused. The check runs over the final server environment. - `--k15-fresh-home` implies `--ephemeral-server` and defaults `--storage` to `s3`. A fresh instance home without the volume-free mode loses the agents' instruction bundles, which staging keeps in Postgres and object storage. - `--ephemeral-server` (`config.ts`, `types.ts`, `main.ts`, `supervisor.ts`, new `ephemeral-server.ts` with its unit test `ephemeral-server.test.ts`): it needs `--storage s3` and `--env daytona` and refuses K14. Every server of the wave gets `PAPERCLIP_EPHEMERAL_SERVER`, `PAPERCLIP_DURABLE_AGENT_FILES`, `PAPERCLIP_SHARED_UI_ASSETS`, the wave's Postgres as `PAPERCLIP_DATABASE_LISTEN_URL`, one stable `PAPERCLIP_SECRETS_MASTER_KEY` (also written to the config key file) and `RUN_LOG_S3_*` in the wave's object store. - `rewake.ts`: the W2/W2C phase-1 brief asks for `paperclip_finish` with disposition `yielded` and a `response_wake` continuation. - W2/W2C tasks are created in `backlog` with their assignee, and a board comment starts phase 1 (`startComment` in `workloads.ts`, used by `observer.ts`). A passive board wait needs a comment-started run; without it the yield queues an immediate continuation and phase 1 wakes itself. The start comment is posted once (saved-comment check plus a stable `clientRequestId`), and the brief keeps phase 2 out of blocking `remainingWork`. - Volume-free mode drops the repository workloads (B1, B5, F1, R1) from the default list and refuses them when listed: their fixture is a `local_path` project source, which a volume-free server refuses. - `README.md`: a section for the new flag and a note on the brief. - `shape-cells.test.ts`: option parsing and refusals for the new flag. ## Verification - `pnpm exec vitest run --config tests/restart-chaos/vitest.config.ts tests/restart-chaos/shape-cells.test.ts` passes (16 tests). - `node scripts/typecheck-test-projects.mjs tests/restart-chaos` passes. - Live proof wave (Daytona, Codex, W2, K1 and K15 with a fresh home, `--storage s3 --ephemeral-server`): wave `w-20261111T205259-s6301` (2 tasks). The first server and both replacements (K15 with a fresh home, then K1) started and reached ready in the volume-free mode. The server process had `PAPERCLIP_EPHEMERAL_SERVER=true`, `PAPERCLIP_DURABLE_AGENT_FILES=true` and `RUN_LOG_S3_BUCKET` set. Both W2 tasks left phase 1 `in_progress` (yielded), received the re-wake and ended `done`. The wave also found product faults (reported separately, not fixed here): a re-wake after K1 failed with `runner_harness_state_mismatch: backup_without_reusable_lease` and needed Retry. - `pnpm exec vitest run --config tests/runner-e2e/vitest.config.ts tests/runner-e2e/support.test.ts` passes, including the new master-key admission test (a matching wave key passes; an inherited key, a mismatched key and `PAPERCLIP_SECRETS_MASTER_KEY_FILE` are refused). ## Risks - Low risk. The flag is opt-in and the harness is test-only. The brief change alters the W2/W2C prompt, so results from older W2/W2C seeds are not directly comparable. ## Model Used - Claude Opus 5.5 (`claude-opus-5-5`) in Claude Code, 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 - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>