{"model":"biweekly-mortgage","specVersion":"1.0.0","specUrl":"/api/v1/models/biweekly-mortgage/spec","inputs":{"loanAmount":{"kind":"float","min":10000,"max":2000000},"annualRate":{"kind":"float","min":0.001,"max":0.15},"termMonths":{"kind":"int","min":60,"max":480}},"arrayInputs":{},"constraints":[],"sentinels":[],"facts":[],"disclaimer":"Illustrative planning model, not financial advice. Outputs follow the published model spec exactly; read the spec for assumptions and exclusions before relying on any number."}