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Walks through every finding from ce-code-review run 20260519-094648-3549cf5e. All 12 picked Apply. Critical: - F1 — Layer 5 cumulative-timeout exhaustion no longer silently drops the rest of the job. `requeueRemainder` is now invoked before `handleWorkerDeath` in both Layer 5 and singleton-final-fail give-up paths so non-quarantined items get re-tried by another worker. - F2 — idle-timer recovery overhaul. `!shouldContinue` branch no longer calls `replaceWorker` (double-spawn race with the `handleWorkerDeath` inside `requeueAfterTimeout`). `shouldContinue` branch now enforces `maxRespawnsPerSlot` before respawning, closing the budget-bypass for the timeout-retry path. Also fixes premature `maybeDone` by simplifying the bookkeeping. - F3 — `requeueRemainder` no longer pre-charges `cumulativeTimeoutMs` by `job.timeoutMs`. The death itself consumed no budget, so the next `requeueAfterTimeout` was double-billing the first attempt. - F4 — `WorkerPool.getQuarantinedPaths` is now optional on the interface, matching the defensive `?.()` call site and the existing mocks. Removes the contract-vs-callsite contradiction. - F5 — per-job unattributed-death tracking. When a worker dies with no exclusion attribution, `requeueRemainder` tracks death count per `startIndex`. First time: re-queue intact. Second time: quarantine items[0] as best guess, or drop the job entirely when items lack paths. Bounds the death loop the original design admitted to. - F6 — per-slot consecutive-failure counter. Replaces the pool-wide scalar so a chronically-failing slot trips the breaker on its own streak instead of being masked by another slot's successes. Smaller: - F7 — exhaustiveness `never` check on `WorkerOutgoingMessage` union. - F8 — recursive `runWorker` on fully-quarantined jobs converted to a while-loop. - F9 — `tripBreaker` calls `reject(err)` BEFORE awaiting `worker.terminate()`. A stuck terminate no longer blocks the caller. - F10 — `parsing-processor.ts` quarantine log de-duplicates per pool instance via a `WeakMap`. Only newly-quarantined paths are logged in each chunk; the per-chunk count still surfaces via progress. - F11 — extract `firstPath` local in `requeueAfterTimeout`; eliminates double `itemPath` call and the `unknown as string` cast. Tests (F12, 6 new): - crash-error event path (errorHandler). - F5 drop-branch coverage via items without `.path`. - Common-case unattributable crash falling back to items[0] heuristic. - `replaceWorker` startup failure (workerFactory emits 'exit' before 'online'). - All-slots-dropped breaker trip. - `GITNEXUS_WORKER_MAX_CUMULATIVE_TIMEOUT_MS` env override. Residual gap (deferred): no unit test exercises the Layer 5 cumulative-budget runtime path — requires fake-timer interleaving with FakeWorker that's too brittle for this iteration. Tracked. Unit suite: 257 files / 6056 passed / 30 skipped / 0 failed. |
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