{"L1_core": {"domain": "specification", "metric": "CRI", "category": "color_quality"}, "L3_technical": {"cri_value": 80, "standards": ["CIE_13.3", "IES_TM-30", "Energy_Star"], "r9_typical": "low", "ies_rf_equivalent": 78}, "L2_specification": {"type": "color_rendering_index", "value": 80, "applications": ["commercial", "industrial", "general"], "quality_tier": "standard"}}