{"id":"observer-principled-composition-reliably-applicable","text":"Observer's principled composition architecture — SRP-grounded decision making for Observer-Mediator composition combined with Template Method safety guarantees for pre-notification consistency — delivers reliable multi-observer notification only while the unexpected-updates liability (cascading changes triggered by mutually unaware observers) is managed through explicit coordination protocols.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["observer-designed-for-pattern-composition","srp-grounds-observer-mediator-decision"],"outlist":["gof-observer-unexpected-updates-liability"],"label":"Principled composition architecture is sound in theory but bounded in practice by the unexpected-updates cascading liability"}],"dependents":[],"metadata":{"source_type":"derived"},"created_at":"2026-06-17T23:19:37+00:00","updated_at":"2026-06-17T23:19:37+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"observer-principled-composition-reliably-applicable","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":[],"label":"Principled composition architecture is sound in theory but bounded in practice by the unexpected-updates cascading liability","violated_outlist":["gof-observer-unexpected-updates-liability"]}]}}