{"id": "first-failure-close-rider", "hour_of_day_utc": 14, "facts": {"zone_id": "hyderabad", "failures_today": 1, "nearest_miler_within_km": 10, "nearest_miler_presence": "available", "milers_in_geo_index_within_30km": 3, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["monitor", "notify_customer"], "ideal": "monitor", "rationale": "Single failure with a rider only 10km away \u2014 almost certainly transient; let the backend retry."}
{"id": "repeated-zone-gap", "hour_of_day_utc": 12, "facts": {"zone_id": "pune", "failures_today": 4, "nearest_miler_within_km": "none within 30km", "nearest_miler_presence": "none found", "milers_in_geo_index_within_30km": 0, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["ops_alert", "escalate"], "ideal": "ops_alert", "rationale": "Repeated failures and no rider within 30km \u2014 a genuine coverage gap; alert ops."}
{"id": "second-failure-far-rider", "hour_of_day_utc": 18, "facts": {"zone_id": "bangalore", "failures_today": 2, "nearest_miler_within_km": 30, "nearest_miler_presence": "available", "milers_in_geo_index_within_30km": 3, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["notify_customer", "monitor"], "ideal": "notify_customer", "rationale": "A couple of failures with the nearest rider 30km out during rush \u2014 real delay; keep the customer informed."}
{"id": "no-coordinates-first", "hour_of_day_utc": 10, "facts": {"zone_id": "unknown", "failures_today": 1, "nearest_miler_within_km": "unknown (no coordinates)", "nearest_miler_presence": "unknown (no coordinates)", "has_coordinates": false, "alert_already_sent_today": false}, "acceptable": ["monitor", "escalate"], "ideal": "monitor", "rationale": "Coverage can't be assessed without coordinates, but a single failure is most likely transient."}
{"id": "many-failures-riders-near", "hour_of_day_utc": 15, "facts": {"zone_id": "mumbai_west", "failures_today": 5, "nearest_miler_within_km": 10, "nearest_miler_presence": "available", "milers_in_geo_index_within_30km": 3, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["escalate", "ops_alert"], "ideal": "escalate", "rationale": "Riders ARE nearby yet assignment keeps failing \u2014 not a coverage gap; a systemic issue for a human."}
{"id": "night-coverage-gap", "hour_of_day_utc": 2, "facts": {"zone_id": "kolkata", "failures_today": 3, "nearest_miler_within_km": "none within 30km", "nearest_miler_presence": "none found", "milers_in_geo_index_within_30km": 0, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["ops_alert", "escalate"], "ideal": "ops_alert", "rationale": "Repeated overnight failures with no nearby rider \u2014 a coverage gap worth flagging to ops."}
{"id": "single-far-rider", "hour_of_day_utc": 9, "facts": {"zone_id": "hyderabad", "failures_today": 1, "nearest_miler_within_km": 30, "nearest_miler_presence": "available", "milers_in_geo_index_within_30km": 3, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["monitor", "notify_customer"], "ideal": "monitor", "rationale": "One failure, distant rider \u2014 likely resolves on retry."}
{"id": "persistent-far-rush", "hour_of_day_utc": 18, "facts": {"zone_id": "mumbai_east", "failures_today": 3, "nearest_miler_within_km": 30, "nearest_miler_presence": "available", "milers_in_geo_index_within_30km": 3, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["notify_customer", "ops_alert"], "ideal": "notify_customer", "rationale": "Rush-hour, repeated, distant rider \u2014 the customer should hear about the delay."}
{"id": "borderline-count", "hour_of_day_utc": 13, "facts": {"zone_id": "north_delhi", "failures_today": 3, "nearest_miler_within_km": 20, "nearest_miler_presence": "available", "milers_in_geo_index_within_30km": 3, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["notify_customer", "ops_alert", "monitor"], "ideal": "notify_customer", "rationale": "Genuinely borderline \u2014 a few failures with a moderately-close rider; any of these is defensible."}
{"id": "severe-gap", "hour_of_day_utc": 11, "facts": {"zone_id": "pune", "failures_today": 8, "nearest_miler_within_km": "none within 30km", "nearest_miler_presence": "none found", "milers_in_geo_index_within_30km": 0, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["ops_alert", "escalate"], "ideal": "ops_alert", "rationale": "Many failures and no rider anywhere near \u2014 a clear, severe coverage gap."}
{"id": "index-full-nobody-on-duty", "hour_of_day_utc": 7, "facts": {"zone_id": "coimbatore", "failures_today": 6, "nearest_miler_within_km": "none within 30km", "nearest_miler_presence": "none found", "milers_in_geo_index_within_30km": 26, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["ops_alert", "escalate"], "ideal": "ops_alert", "rationale": "26 riders have been seen here but none is Available \u2014 a staffing/on-duty gap; ops needs to get riders online, not a systemic fault."}
{"id": "rider-near-presence-unknown", "hour_of_day_utc": 11, "facts": {"zone_id": "coimbatore", "failures_today": 4, "nearest_miler_within_km": 10, "nearest_miler_presence": "unknown", "milers_in_geo_index_within_30km": 26, "has_coordinates": true, "alert_already_sent_today": false}, "acceptable": ["escalate", "monitor", "notify_customer"], "ideal": "escalate", "rationale": "Riders are nearby but the backend reports no presence data \u2014 we cannot tell on-duty from off-duty, so this is NOT a coverage gap; a human should check why assignment fails."}