{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T23:26:52.450244+00:00","duration_seconds":7.363344,"id":1815101,"input_summary":"chars=475 node=683211","metadata":{"llm_candidates":[{"callsign":"KI7PKL","confidence":0.78},{"callsign":"GW8SZL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KI7PKL,GW8SZL","recording_id":173530,"started_at":"2026-07-17T23:26:45.086900+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169024}