{"id":"observer-reliable-notification-system","text":"The Observer pattern provides a reliable, loosely-coupled notification system with broadcast communication and minimal coupling between subjects and observers.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["gof-observer-supports-broadcast-communication","gof-observer-abstract-coupling-subject-observer"],"outlist":["gof-observer-unexpected-updates-liability"],"label":"Observer's reliability holds only when cascading-update risks are mitigated"}],"dependents":[],"metadata":{"source_type":"derived"},"created_at":"2026-06-17T17:53:17+00:00","updated_at":"2026-06-17T17:53:17+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"observer-reliable-notification-system","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":[],"label":"Observer's reliability holds only when cascading-update risks are mitigated","violated_outlist":["gof-observer-unexpected-updates-liability"]}]}}