{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T15:31:01.429800+00:00","duration_seconds":3.090961,"id":1747543,"input_summary":"chars=537 node=683211","metadata":{"llm_candidates":[{"callsign":"K7YFP","confidence":0.78},{"callsign":"K5EWH","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7YFP,K5EWH","recording_id":168841,"started_at":"2026-07-16T15:30:58.338839+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164783}