| Person in lane | Critical | Perception or sensors detect a person in a robot lane | Nearest robots halt; always escalates to Ultra | Confirm zone clear, release |
| Collision risk | Critical | Planner cannot find a conflict-free path within 2 s | Affected robots hold position | Quarantine zone, reassign tasks |
| Schema rejects | Warning | More than 2% of model outputs fail validation in 10 min | Retries, then falls back to safe stop | Inspect the call log |
| Ultra latency | Warning | Ultra p95 above 30 s for 5 min | Live escalations route to Nemotron Super | Check Token Factory status |
| Escalation storm | Warning | Ultra calls per 100 events double versus the 7-night average | None | Review τ, check for a new hazard type |
| Confident mistakes | Warning | Replay finds Nano wrong at confidence ≥ 0.9 on more than 0.3% of decisions | Lower τ for next shift | Review flagged episodes |
| Promotion gate failed | Info | Candidate Nano regresses normal operations | Production adapter stays in place | Read the MLflow run |
| Night Shift stalled | Warning | Any stage exceeds its time budget or a job fails twice | Pipeline pauses, keeps current adapter | Retry stage |
| Idle dedicated endpoint | Warning | Cosmos endpoint running with no calls for 15 min | None | Stop endpoint |
| Budget | Warning | Daily spend passes 80% of budget | None | Stop idle endpoints, defer dreams |
| Stale hazard tag | Info | A tag expires while robots are still inbound to that cell | Re-request perception on next sighting | None needed |
| Robot offline | Warning | No heartbeat for 10 s | Planner reserves its last cell | Dispatch technician |