pl0-experience-ledger
master
scripts/process_experience.py: ExperienceLedger with 12 root-cause layers, 3 result types, confidence tracking, evidence references, correction tracking, recurrence classification, cost measurement, reusable flag. 10 seed Process Experiences from real runs (#161/#163/#164/#310/#311): - 5 failures (schema drift, field naming, missing disposition, validator mismatch, duplicate contract authority) - 3 successes (gate blocked missing M1, INNOVATION correctly skipped, real external evidence produced decision-changing results) - 2 inefficiencies (routing waste, detection gap) All 10 marked reusable_lesson=True. No autonomous self-editing — observation and evidence capture only.