{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-30T12:11:01.702400+00:00","duration_seconds":0.637406,"id":1228756,"input_summary":"chars=114 node=683210","metadata":{"llm_candidates":[{"callsign":"KM4BCO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KM4BCO","recording_id":132863,"started_at":"2026-06-30T12:11:01.064994+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":132419}