{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:42:07.312774+00:00","duration_seconds":2.349306,"id":1831456,"input_summary":"chars=680 node=683211","metadata":{"llm_candidates":[{"callsign":"KM7CGJ","confidence":0.78},{"callsign":"KC7FMW","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KM7CGJ,KC7FMW","recording_id":174658,"started_at":"2026-07-18T15:42:04.963468+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169994}