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docs(FN-5093): complete Step 6 — document in-review-stalled detector

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Fusion-Task-Id: FN-5093
Fusion-Task-Lineage: fe96617a-88f8-4a3c-b96c-c516d2206331
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Fusion (runfusion.ai)
2026-05-19 03:44:45 -07:00
committed by gsxdsm
parent 8029227451
commit 41c243880a
3 changed files with 17 additions and 1 deletions
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13
docs/diagnostics.md
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@@ -20,3 +20,16 @@ Operator interpretation:
- `ageBucket: "fresh"` → expected dependency queueing.
- `ageBucket: "aging"` → review blocker progress.
- `ageBucket: "stale"` → emerging stall; escalate/unblock blocker.
## Self-healing surfacing passes (`[self-healing]`)
- `surface-in-review-stalls`
- Log prefix: `In-review stall surfaced [`
- Purpose: reason-driven in-review stall detector (`merge-blocker`, retry exhaustion, no-worktree, transient merge-status orphaning).
- `surface-in-review-stalled`
- Log prefix: `In-review stalled surfaced [in-review-stalled]: quiet ...`
- Purpose: time-quiet detector for unpaused in-review tasks beyond `inReviewStalledThresholdMs`.
- Non-overlap: skipped when reason-driven `In-review stall surfaced [` is fresh, and skipped for paused tasks (owned by stale-paused-review).
- `surface-stale-paused-reviews`
- Log prefix: `Stale paused review surfaced [stale-paused-review]: paused ...`
- Purpose: paused in-review backlog-health detector gated by `stalePausedReviewThresholdMs`.

4
docs/settings-reference.md
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@@ -321,6 +321,7 @@ Default notes:
| `taskStuckTimeoutMs` | `number` | `undefined` | Inactivity timeout for stuck-task recovery. |
| `inReviewStallDeadlockThreshold` | `number` | `3` | Minimum number of identical consecutive in-review stall log entries (same stall code + reason) before self-healing auto-disposes the task by pausing it with `pausedReason="in-review-stall-deadlock"` and marking status `failed`. Set to `0` to disable. |
| `stalePausedReviewThresholdMs` | `number` | `86400000` | Threshold in ms for surfacing paused `in-review` tasks as stale paused review diagnostics (24 hours). `0` or `undefined` disables stale paused review surfacing/logging. |
| `inReviewStalledThresholdMs` | `number` | `86400000` | When `> 0`, enables surfacing of unpaused `in-review` tasks quiet beyond threshold via the `surface-in-review-stalled` self-healing pass; `0` disables. See **Backlog health alerts** below. |
| `stalePausedTodoThresholdMs` | `number` | `86400000` | Threshold in ms for surfacing paused `todo` tasks as stale backlog-health diagnostics (24 hours). When `> 0`, the `surface-stale-paused-todos` self-healing pass emits `Stale paused todo surfaced [stale-paused-todo]: paused <hours>h beyond <threshold>h threshold; ...` log entries. `0` or `undefined` disables stale paused todo surfacing/logging. |
| `staleInProgressWarningMs` | `number` | `14400000` | Task-age staleness warning threshold in ms for `in-progress` tasks (4 hours). `0` or `undefined` disables warning-level surfacing. |
| `staleInProgressCriticalMs` | `number` | `86400000` | Task-age staleness critical threshold in ms for `in-progress` tasks (24 hours). `0` or `undefined` disables critical-level surfacing. |
@@ -435,13 +436,14 @@ Default notes:
> Draft — finalize once FN-5009 / FN-5034 have shipped.
Backlog health is the alert family for scheduler/backlog imbalance, dependency-blocked Todo fanout, and stale paused Todo work. It is distinct from `capacityRiskBannerEnabled` / `capacityRiskTodoThreshold` (UI capacity-risk banner) and `stalePausedReviewThresholdMs` (paused `in-review` detector).
Backlog health is the alert family for scheduler/backlog imbalance, dependency-blocked Todo fanout, stale paused Todo work, and quiet unpaused in-review tasks. It is distinct from `capacityRiskBannerEnabled` / `capacityRiskTodoThreshold` (UI capacity-risk banner), `stalePausedReviewThresholdMs` (paused `in-review` detector), and reason-driven `in-review-stall` surfacing.
| Detector | Trigger condition | Settings | Severity | Surfacing channel | Cooldown / suppression |
| --- | --- | --- | --- | --- | --- |
| Backlog-pressure imbalance | TODO(FN-5009): finalize from `packages/engine/src/backlog-pressure-reporter.ts` trigger predicate implementation. | TODO(FN-5009): finalize from `packages/core/src/settings-schema.ts` backlog-pressure keys/defaults. | TODO(FN-5009): finalize from reporter title/content fields and fallback log-entry payload shape. | TODO(FN-5009): finalize from reporter insight category/fingerprint + fallback log-entry prefix behavior. | TODO(FN-5009): finalize from reporter cooldown and dedupe gates (`backlogPressureAlertCooldownMs`, enable/disable semantics). |
| Dependency-blocked Todo fanout | Groups Todo tasks blocked by the same non-done blocker (`dependencies` + `blockedBy`) using blocker fanout and blocker age buckets (`fresh`/`aging`/`stale`). Suppresses purely-fresh low-signal cases (`totalBlockedTodoCount < 3`). | `dependencyBlockedTodoReportEnabled`, `dependencyBlockedTodoFreshAgeMs`, `dependencyBlockedTodoStaleAgeMs`, `dependencyBlockedTodoMinCount`, `dependencyBlockedTodoReportCooldownMs` | Workflow alert with blocker-group summary (`blockedTodoCount`, `blockingAgeMs`, age bucket, top IDs). | Durable insight title prefix `Backlog health: dependency-blocked todos YYYY-MM-DD`; fallback per-task log prefix `[dependency-blocked-todo]` when insight store is unavailable. | Project cooldown gate via `dependencyBlockedTodoReportCooldownMs`; disabled entirely when `dependencyBlockedTodoReportEnabled` is false. |
| Stale paused Todo | TODO(FN-5034): finalize from `packages/core/src/stale-paused-todo.ts` signal threshold predicate and trigger semantics. | TODO(FN-5034): finalize from `packages/core/src/settings-schema.ts` `stalePausedTodoThresholdMs` row/default. | TODO(FN-5034): finalize from stale-paused-todo signal `code` + surfaced log payload fields. | TODO(FN-5034): finalize from `packages/engine/src/self-healing.ts` `surfaceStalePausedTodos` `logEntry` format and channel. | TODO(FN-5034): finalize from per-task suppression logic (history/code-change checks) in `surfaceStalePausedTodos`. |
| In-review stalled (`in-review-stalled`) | In-review, unpaused task is quiet beyond threshold while `autoMerge` is enabled, not actively merging/executing, not awaiting human review/approval, not merge-confirmed, and not already covered by a fresh reason-driven `In-review stall surfaced [` entry. | `inReviewStalledThresholdMs` | Encoded in per-task log body via `quiet ${hours}h` and `lastActivitySource=...`. | Per-task `logEntry` emitted by `surfaceInReviewStalled`. | Per-task log-history scan suppresses repeat emission within the `inReviewStalledThresholdMs` window for the same code; re-emits when prior entries age out or code changes. |
### Per-task token budget