{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T18:02:02.412413+00:00","duration_seconds":2.27644,"id":1836253,"input_summary":"chars=334 node=683210","metadata":{"llm_candidates":[{"callsign":"KM4VBG","confidence":0.78},{"callsign":"KK7HLD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KM4VBG,KK7HLD","recording_id":174990,"started_at":"2026-07-18T18:02:00.135973+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170297}