{
  "component_id": "component_21",
  "instance_name": "小臂关节装配2-1/CSG-20-160-2A-SP_C_8_WG1044040-MHC-1/20_csg_2a-4",
  "display_name": "小臂关节装配2-1/CSG-20-160-2A-SP_C_8_WG1044040-MHC-1/20_csg_2a-4 (20_csg_2a)",
  "usage_policy": "This function portrait must be read in every part-level LLM call before judging faces/features. Use it to decide functional faces, processing necessity, access, support, locating, sealing, guiding, transmission, fastening, and non-functional surfaces.",
  "source": "assembly_component_function_profile_generated_before_functional_group_split"
}