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Devin FoleyandPaperclip
909d86b59a
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Native runs start the provider through Runner. `session.open` starts the provider session before any prompt. > - When `session.open` fails, the server records the generic `native_session_interrupted`. Recovery evidence then reports `ambiguous_state`, so the first failure blocks the task with no automatic retry. > - The failure is often temporary. On one instance an agent's provider account hit its usage limit. For about 14 hours every later run failed at `session.open`, and 47 tasks stayed blocked. Outside limit windows, the same error also occurs once and a later retry succeeds. > - The server already has a bounded same-run bootstrap retry for failures that are proven to come before provider work. It did not recognize this failure, and it did not consider a known provider limit. > - This pull request classifies a definite `session.open` failure as a pre-session failure. Bootstrap retries back off and wait out a known provider limit. The task is blocked only after the shared budget is used, with a clear reason. > - The benefit is that a temporary startup failure or a provider limit no longer strands tasks on the first failure, and every existing replay guard stays in force. ## Linked Issues or Issue Description Refs #18847. That pull request keeps the provider cause on `session.open` rejections and names typed categories (for example `classification=provider_rate_limit`). This change does not depend on it. With #18847, a typed limit at `session.open` uses the same cooldown path, because the server reads the cause with `providerFailureFromError`. Refs #18622, which added the `ProviderFailure` cause. Refs #13993, an open change about legacy adapter startup backoff; it does not touch the native recovery path. **What happened?** A native run (`paperclip_runner`) failed at `session.open` before any prompt: `ACPX sidecar command session.open was rejected (retryable=false, classification=session_ensure_failed)`. The server recorded `native_session_interrupted`. Recovery evidence had no checkpoint and no provider event, but the cause was not in the pre-session list, so the mode was `ambiguous_state`. The coordinator went to `terminal_failure`, a board-owned `active_run_watchdog` action was created, and the task was set to `blocked` on the first failure. During a provider usage limit, every later run of the agent failed the same way, so each task was blocked. **Expected behavior** A run that provably failed before provider work retries automatically, with backoff and a bounded budget. If the agent has a known provider limit, the retry waits for the cooldown. The task is blocked only when the budget is used, and the recovery action explains why. A run where provider work may have started is never replayed. **Steps to reproduce** 1. Make Runner reject `session.open` for a native run (for example a provider at its usage limit). 2. Observe the coordinator: `terminal_failure`, `recoveryMode: "ambiguous_state"`, `providerSessionEstablished: false`. The task is `blocked`. 3. The new `native-startup-retry.integration.test.ts` reproduces this with a real database and the executor. **Paperclip version or commit** `master` at `5877d751c0e`. **Deployment mode** Native Runner with an ACPX Claude provider. The fix is in the server and is not specific to one deployment mode. ## What Changed - `nativeSessionFailureSourceCode` returns a new cause, `provider_session_open_rejected`, when Runner reports that `session.open` failed or was rejected. Those outcomes are definite, and the command runs before any prompt. An `indeterminate` outcome stays `native_session_interrupted`. Earlier, more specific causes (for example a missing runtime package) keep their classification. - `nativeProviderRecoveryEvidence` treats the new cause as pre-session. The durable evidence still decides. A bootstrap retry happens only with no provider session, no provider event and no checkpoint. Otherwise the mode stays `ambiguous_state` and the task is blocked as before. - New module `native-runtime/native-startup-retry.ts` plans each bootstrap retry. It is called only for `bootstrap_retry` mode. - Backoff: the existing `infrastructureRetryDelayMs` (about 30 s, then about 60 s, plus or minus 20 %). The jitter derives from the run and attempt, and it is persisted with `nextAttemptAt`. - Limit cooldown: evidence is a `rate_limit` or `quota_exhausted` provider failure on the current failure (the #18847 shape), or on an agent run that started in the last 24 hours. A `native_provider_usage_limit` or `provider_quota` error code also counts. The cooldown is the provider's `retryAt` (or `retryNotBefore`), or one hour after the failure when no reset time is known. A later successful run of the agent clears older evidence. The cooldown is capped at 24 hours. The retry runs after the cooldown plus the backoff delay. - A failed evidence read is logged and falls back to plain backoff, so it cannot stop the failure from settling. - The budget does not change: three provider attempts, shared with checkpoint resumes and replacements. When it is used, the coordinator records `native_session_retry_exhausted`. The task is blocked, and the board-owned action says: "Provider startup failed on 3 attempts before any provider work began. Automatic retries are stopped." When a limit is known, the message includes the expected reset time. - While a retry waits, the coordinator detail, the recovery action evidence and the scheduled wake record `providerCooldownAt`. The next action names the reset time, and the task projection shows "Retry scheduled". - `PROVIDER_LIMIT_DEFAULT_COOLDOWN_MS` (one hour) moves to `system-recovery-state.ts`. The legacy provider-quota recovery default now refers to it. The value does not change. - A chat retry of an exhausted `provider_session_open_rejected` run is accepted like the other pre-provider causes. The existing proofs still apply. - `doc/execution-semantics.md` describes the backoff, the cooldown and the exhausted state. ## Verification - Red: before the fix, the first new integration case failed. The coordinator was `terminal_failure` with `recoveryMode: "ambiguous_state"`, `originalFailureCode: "native_session_interrupted"` and `providerSessionEstablished: false`, and the task was `blocked`. Four more cases failed the same way. The two never-retry cases passed before and after the fix. - Green: `npx vitest run src/services/native-runtime/native-startup-retry.integration.test.ts` in `server` (embedded PostgreSQL, the real executor, and the real resume claim). 8 cases pass: - a rejected `session.open` is retried with backoff (attempt 1 in 24 to 36 s, attempt 2 in 48 to 72 s), and the task stays `in_progress` with an agent-owned action and a `resume_native_run` wake; - after three attempts the task is blocked, the action is board-owned with the clear reason, and the resume claim refuses another attempt; - a recent limit failure holds the retry until one hour after that failure, and the claim refuses it before the cooldown; - a provider reset time from an earlier run, or from the startup failure itself, sets the cooldown; - a distant reset time holds the retry for at most one day; - a later success, another agent's limit, and an expired limit do not delay the retry; - a durable provider event, or an indeterminate `session.open` outcome, still blocks the task with `ambiguous_state` and no retry. - `native-session-executor.test.ts`: all 1,087 tests pass, including a new classification case for `failed`, `rejected`, `indeterminate` and a different command. - `chat-channels.integration.test.ts -t "requires terminal-safe native ownership for an exact chat retry"`: 23 pass, including the new `session_open` case. That case fails without the list change. - Related suites pass: native session resumption, native provider failure, capacity and overload integration tests, provider failure classification, native status arbiter corpus, native restart recovery. - `npx tsc --noEmit -p server` passes. `git diff --check` passes. - [GitHub CI](https://github.com/paperclipai/paperclip/actions/runs/41713988964) is green on head `32561aa335d`. This includes `ci / verify`, `ci / e2e`, typecheck, build, all server, chat and workspace groups, all serialized server suites, and all Runner checks, which run the native-runtime server tests. In the first attempt, eleven jobs stopped because their runners received a shutdown signal; no test reported a failure. A rerun of those jobs passed. - A local run of the whole `server/src/services/native-runtime` directory was stopped before completion because it runs serially for a long time. CI ran those files. - Runtime dependency: the new work is one indexed query (`company_id`, `agent_id`, `started_at`) with `LIMIT 20`. It runs only when a bootstrap retry is planned or exhausted, not on the normal path. No new timer or polling: the wait uses the existing persisted `nextAttemptAt` deadline and the existing resume dispatch. - Not verified: a live provider account at its usage limit, and a live remote sandbox that waits through a full cooldown. The full repository suite was not run locally; CI ran it. ## Risks - A task that waits for a cooldown stays `in_progress` with its execution lock, for up to one day. This is the existing same-run retry state. Stop, reassignment, pause and an explicit Retry keep their current behavior through the existing claim checks. - During the wait the failed run keeps its environment lease in the same way as any same-run retry. A remote lease with an unexported prepared workspace is retained by the orphaned-lease sweep until the retry runs. Other active leases of the failed run are released after the usual five minutes, and the retry acquires a new one. - A `rate_limit` failure without a reset time (for example a short HTTP 429) delays only startup-failure retries of that agent, by up to one hour. Normal runs are not delayed, and a later success clears the evidence. - A startup failure that needs user action (for example a sign-in failure) now uses two automatic retries, about 90 seconds in total, before the task is blocked. Before, it was blocked at once with an ambiguous reason. - The agent's other queued runs are not held during a cooldown. Each one fails at `session.open` without provider work and then waits for the same cooldown. An agent-wide admission hold has no clean extension point in the current queue, so it is not part of this change. - Re-arming consumed scheduled monitors is out of scope. This change makes it matter less: a run that consumed a monitor wake now retries itself on the same run. A monitor that a run consumed before its retry budget was used stays consumed. - No schema or API change. The new error code appears on runs and in run error codes. > For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and discuss it in `#dev` before opening the PR. Feature PRs that overlap with planned core work may need to be redirected — check the roadmap first. See `CONTRIBUTING.md`. ## Model Used Anthropic Claude Opus 5.5 (`claude-opus-5-5`) through Claude Code, with extended reasoning and tool use (shell, file editing, test execution). The host does not expose the context-window size. ## 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>