{"L1_core": {"domain": "manufacturing", "category": "assembly", "entity_type": "process"}, "L5_metadata": {"updated": "2026-01-02", "version": "2.0"}, "L2_manufacturing": {"methods": ["manual", "semi_automatic", "automatic_robotic", "pick_and_place"], "standards": ["ISO 9001", "IPC-A-610", "IPC-A-620", "ISO 2768"], "documentation": ["assembly_instructions", "BOM", "assembly_drawings", "verification_procedures"], "product_types": ["mechanical", "electronic_SMT_THT", "electrical_wiring", "mixed"], "quality_control": ["visual_inspection", "functional_test", "dimensional_verification", "traceability"]}}