{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-30T21:17:58.489856+00:00","duration_seconds":7.531377,"id":1247638,"input_summary":"chars=558 node=683210","metadata":{"llm_candidates":[{"callsign":"K9JB","confidence":0.78},{"callsign":"K3O8","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K9JB,K3O8","recording_id":134306,"started_at":"2026-06-30T21:17:50.958479+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133697}