{"id":"notification-system-is-delivery-complete","text":"The notification system achieves delivery completeness when bounded delivery (double rate checks, retry escalation), strict rendering (fail-fast on missing templates/variables), and stable ordering (deterministic priority queue) all function correctly — unless the unused group-key infrastructure signals an incomplete aggregation feature needed for batch delivery scenarios.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["notification-delivery-is-bounded","notif-template-rendering-strict","notif-priority-heap-stable"],"outlist":["notif-group-key-unused"],"label":"delivery, rendering, and ordering form a complete pipeline; the vestigial group-key code suggests a missing aggregation layer"}],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"notification-system-is-delivery-complete","truth_value":"IN","reason":"SL justification valid","antecedents":["notification-delivery-is-bounded","notif-template-rendering-strict","notif-priority-heap-stable"],"label":"delivery, rendering, and ordering form a complete pipeline; the vestigial group-key code suggests a missing aggregation layer","outlist":["notif-group-key-unused"]},{"node":"notification-delivery-is-bounded","truth_value":"IN","reason":"SL justification valid","antecedents":["notification-defensive-double-rate-check","retry-escalates-to-permanent-failure"],"label":"complementary boundedness — rate checks bound throughput, retry escalation bounds duration"},{"node":"notification-defensive-double-rate-check","truth_value":"IN","reason":"SL justification valid","antecedents":["notif-two-phase-rate-limit","notif-rate-limit-on-success-only"],"label":"Queue delay between the two check points means neither alone is sufficient; failed retries not consuming budget prevents limit exhaustion from transient failures"},{"node":"notif-two-phase-rate-limit","truth_value":"IN","reason":"premise"},{"node":"notif-rate-limit-on-success-only","truth_value":"IN","reason":"premise"},{"node":"retry-escalates-to-permanent-failure","truth_value":"IN","reason":"SL justification valid","antecedents":["notif-exponential-backoff-with-jitter","retry-converts-timeout-to-failure"],"label":"Backoff prevents cascading load; finite retry count ensures eventual resolution (success or permanent failure) rather than indefinite limbo"},{"node":"notif-exponential-backoff-with-jitter","truth_value":"IN","reason":"premise"},{"node":"retry-converts-timeout-to-failure","truth_value":"IN","reason":"premise"},{"node":"notif-template-rendering-strict","truth_value":"IN","reason":"premise"},{"node":"notif-priority-heap-stable","truth_value":"IN","reason":"premise"}]}}