{"id":"lexi-pattern-composition-reliably-applicable","text":"Lexi's demonstrated pattern composition at application scale — eight patterns solving seven design problems through integration including MVC's Observer-based model-view synchronization — is reliable for production architectures only while Observer's unexpected update liability is controlled, since cascading notifications can propagate unpredictably through the composed pattern layers.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["lexi-demonstrates-pattern-composition-at-scale","mvc-as-pattern-composition-exemplar"],"outlist":["gof-observer-unexpected-updates-liability"],"label":"MVC's Observer dependency makes application-scale composition vulnerable to unexpected update cascades"}],"dependents":[],"metadata":{"source_type":"derived"},"created_at":"2026-06-17T23:28:17+00:00","updated_at":"2026-06-17T23:28:17+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"lexi-pattern-composition-reliably-applicable","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":[],"label":"MVC's Observer dependency makes application-scale composition vulnerable to unexpected update cascades","violated_outlist":["gof-observer-unexpected-updates-liability"]}]}}