{"id":"LGT-014","domain":"lighting","priority":43,"hard":false,"logic":"all","when":[{"path":"lighting.key_fill_stops","op":"gt","value":5}],"then":[{"op":"append","path":"requirements","value":"verify_shadow_detail_and_delivery_intent"}],"rationale":"Extreme ratios require deliberate monitoring and output validation.","tags":["contrast"],"category":"Lighting"}