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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - A user's comment on a task with a live run must reach the agent: it is steered into the run or delivered in a follow-up run. Per-comment exactly-once delivery is plan invariant 4 > - A comment commits before its wake is written. A control-plane restart in between loses the wake, and the reconciler's lost-wake rule (chaos s9401/t69) saves the missing outbox entry > - That rule only looked at `todo` and `in_progress` tasks. In the restart chaos Daytona wave s9501, task t06 got a comment 10 ms before a K1 kill. The live run then finished, its agent closed the task, and the comment was never read > - This pull request extends the rule to a task its agent closed, and reopens that task for the user's message, as the release drain already does > - The benefit is that a message sent while the agent works is never silently dropped by a restart ## Linked Issues or Issue Description Refs #19831 (plan, section E: work-intent outbox, invariant 4), and #19992 (the s9401/t69 and t72 rules this extends). Found by the restart chaos campaign, wave w-20261108T142906-s9501, task t06: - The comment was saved at 14:40:17.048. - The K1 kill came at .058. - No wake request ever carried the comment, and no run event shows it steered in. - The run that started before the comment finished at 14:44:22 and closed the task. ## What Changed - `recovery/ownership-invariant-report.ts` (`checkUserCommentsWithoutWake`): also reports a comment on a `done` task its agent closed (`taskClosedByAgentSql`), when no wake carries it, no run started after it, and no run of the task logged it as a steered `userMessage` item. - `work-intent-outbox.ts` (`saveUndeliveredUserComments`): a new `reopenAgentClosedDone` option. In the same transaction that locks the issue, re-checks the agent close and saves the receipt, it reopens the task to `todo` through the issues service. It also logs `issue.updated` (reopened from done, source `undelivered_comment_backstop`). - `native-finalization-reconciler.ts` (`applyOwnershipReportBackstops`): the lost-wake backstop allows `done` and passes `reopenAgentClosedDone`. The receipt keeps its `wake_lost` / `reconciler_backstop` wait, so the existing release path delivers it once. ## Verification - `heartbeat-held-comment-wake.test.ts`, new test "delivers once a comment whose wake a restart lost mid-run on a task the run then closed". It fails on `master` and passes here. The violation is found, the backstop saves and reopens, the comment is delivered exactly once, and a second pass and backstop deliver nothing more. All 25 tests in the file pass. - `ownership-reconciliation-report.test.ts`, new test "finds a user comment that a restart left without a wake on a task its agent then closed". It fails on `master` and passes here: only the lost comment is reported, not one steered into the run and not one on a task a person closed. All 26 pass. - The server package typecheck passes. ## Risks - **Reopening a done task.** This only happens when the latest recorded close was not made by a person, the comment is a direct human comment, and no run received it or had it steered in. That's the same rule the t72 stale-continuation path and the release drain already apply. - **The steer check** joins the task's runs to their `item.started` events by comment ID. It runs only for candidate comments within the lookback window. ## Model Used - Claude Opus 5.5 (`claude-opus-5-5`), Anthropic, with tool use and code execution in Claude Code. ## 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>