Runs full pipeline (parse → generate → TS check) on all 11 examples.
Produces structured pass/fail report with artifact counts.
Supports --quick (skip WAT) and --verbose (show errors).
Current state: 5/11 clean (AccessControl, DrugDosageCalculator,
PaymentService, RetryHandler, TemperatureMonitor). 6/11 have TS errors
from known issues (engineering#9: precondition drops, record type refs,
spurious this.state prefix).
