{"L1_core": {"type": "tolerance_class", "domain": "specification", "category": "led_binning"}, "L3_technical": {"affects": ["chromaticity", "flux", "vf"], "standards": ["ANSI_C78.377", "NEMA_SSL3"], "uniformity_impact": "high"}, "L2_specification": {"type": "step_down_specification", "purpose": "led_tolerance_grading", "description": "general_sds_classification"}}