{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T02:33:04.846758+00:00","duration_seconds":0.632513,"id":1820982,"input_summary":"chars=565 node=683210","metadata":{"llm_candidates":[{"callsign":"KL7FR","confidence":0.78},{"callsign":"K4CUP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KL7FR,K4CUP","recording_id":173902,"started_at":"2026-07-18T02:33:04.214245+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169354}