decidePlannerRecovery fell through to inject_guidance for any non-failed
executor/workflow-gate signal, including the healthy `progressing` signal.
Under autonomous oversight this dispatched steering into the live agent of
every healthy task — flipping the card badge to "recovering", burning a
bounded-attempt slot, and consuming AI usage for no reason.
- Only problem signals (`stuck`/`blocked`, plus the existing `failed` path)
now trigger autonomous steering; healthy (`progressing`/`complete`) and
human-wait (`awaiting-human`) signals return `none`.
- PlannerRecoveryController.tick clears stale attempt/last-action records for
a (taskId, stage) once its signal is healthy, so a recovered task drops
from "recovering" back to "watching" and a later problem gets a fresh budget.
- PlannerOverseerMonitor dedupes the activity-feed heartbeat: an unchanged
(stage, signal, reason) observation logs once per change, not every tick.
Invariant tests added across all signals for both fall-through stages.
Fusion-Task-Id: FN-7577
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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