{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T04:34:59.471015+00:00","duration_seconds":0.973501,"id":1522641,"input_summary":"chars=551 node=683211","metadata":{"llm_candidates":[{"callsign":"KI7RMU","confidence":0.78},{"callsign":"K9MLR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KI7RMU,K9MLR","recording_id":153826,"started_at":"2026-07-09T04:34:58.497514+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151260}