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DottaandPaperclip
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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Remote runs need one runner to own their process identity and listener. > - A health request can fail while that runner continues to work. > - The active monitor treated a failed request as a process exit. > - Recovery could then launch another runner against the occupied listener. > - This pull request retries health reads and requires proof of exit before replacement. > - A brief outage can recover on the same runner without replaying agent work. ## Linked Issues or Issue Description Refs: #16341 adds remote recovery diagnostics. Refs: #16686 retries verification when restoring a saved remote session. This change applies the shared probe policy to active process supervision. **What happened?** The active remote monitor settled its completion promise after a timed-out or rejected health request. The transport treated that result as an exit and started process recovery. An existing runner could still own the listener. Replacement then failed with `runner_ingress_bind_conflict` until the reconnect deadline expired. Missing or changed ownership markers also did not prove that the old process had exited. **Expected behavior** Retry transient read failures on the same runner. Require a matching ownership marker and proof of process exit before replacement. Preserve uncertainty when identity or liveness cannot be verified. **Steps to reproduce** 1. Start a remote runner and leave its listener alive. 2. Make one process-health request time out or reject. 3. Observe completion and the restart decision. Before this change, the monitor settles while the process is alive, and the restart wrapper permits another launch. **Paperclip version or commit** The defect was reproduced on master at `6e89919631`. The patch is based on current master at `c6a0cf4bce`. ## What Changed - Reuse the bounded read-only recovery probe for active supervision. Retry up to three reads within 30 seconds. - Check the saved process generation when available. Accept only the specific process-not-running receipt as exit proof. - Add an exit-confirmation contract to remote process handles. Require it for restart and shutdown completion. Preserve the cause of supervision errors. - Test transient failures, exhausted retries, conflicting identities, real listening processes, and an authenticated runner with a fake provider. Keep confirmed-exit replacement covered. - Document the recovery policy and coverage limits in the execution contract and maps. ## Verification - Red: the timeout and transport-error regressions failed before the patch because completion settled while the runner was alive. The restart-guard regression also failed because replacement was allowed. - Green: 14 server supervision cases passed, including a real listening process. All 120 shared control-plane tests passed. Focused Runner tests passed for authenticated live-runner fault injection and confirmed-exit replacement. - Review regression: a replacement-health test first failed because its error cause was lost. It passed after preserving the cause and detail. The four affected transport cases and Runner typecheck then passed. - `node scripts/check-maps.mjs` passed for 35 areas and 176 capability IDs. - `pnpm -r typecheck` and `pnpm build` passed locally. The sequential local full-suite run was stopped before completion; no local full-suite pass is claimed. Final commit `bcc1b1d339` passed the complete CI matrix: 55 checks passed and two optional Storybook checks were skipped. Greptile is 5/5 with no unresolved conversations. The PR has no merge conflicts. - The first real-listener attempt could not bind inside the execution sandbox. The same test passed with local socket access. The first package-test invocation used the root configuration and selected no tests; the package configuration ran all selected tests. - CI attempt 1: nine test jobs were cancelled together at 12:54:59 UTC. Their test steps report cancellation. The build and uninterrupted jobs passed. The interrupted jobs were retried once. That retry exposed one confirmed-exit message assertion failure in the Runner shard; the other jobs passed. The compatibility correction preserves the prior message. The failing case and four recovery cases then passed locally. The complete CI matrix passed after that correction. - No live sandbox restoration, deployment, or historical task recovery is claimed. ## Risks - A persistent outage now ends supervision with explicit exit uncertainty. It cannot authorize a competing process. Existing ownership and workspace recovery checks remain required. - Health reads can take up to 30 seconds before reporting an unavailable runner. Retries are read-only and bounded. - Local launchers keep their existing completion contract. No database migration or public API change is required. ## Model Used OpenAI GPT-6 through Codex, with reasoning, tool use, and code execution. The exact serving snapshot and context-window size are not exposed in this session. ## 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>